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Avatar for Drainage and Erosion Solutions

Drainage and Erosion Solutions

4.18(
300
)
Approved Pro

Drainage and Erosion Solutions

4.18(
300
)
Approved Pro
Customers say: Quality work
31 local quotes requested
22 years of experience

Drainage & Erosion Solutions (DES) is an award-winning design-build firm specializing in diagnosing and resolving drainage and erosion issues for residential and commercial properties. With both engineering and contracting divisions, we deliver professionally engineered solutions that are as functional as they are aesthetically pleasing. Our team is composed of dedicated, full-time professionals known for their technical expertise, attention to detail, and commitment to exceptional customer service. All consultations, assessments, and installations are performed by licensed experts—including soils engineers and landscape and drainage system designers—who bring decades of combined experience in design and construction. Clients trust DES for our reliability and results, leading to a strong referral-based business and consistently high rankings on contractor-rating platforms.

"I highly recommend DES! I arranged a consultation after a home inspection report indicated that there was moisture in our basement walls. I was worried that costly mitigation efforts would be required. A friend who had previously used DES for a basement water problem highly recommend them, telling us that they were an honest company that only does what is necessary to solve a problem. Happily, Mark Fine from DES inspected both our basement and our exterior grounds and reported that there was no indication of cracks in the foundation or water intrusion, and that no work needed to be done. It is so refreshing to have a company that doesn't try to sell expensive services when they are not necessary!"

Brian E on October 2025

Drainage & Erosion Solutions (DES) is an award-winning design-build firm specializing in diagnosing and resolving drainage and erosion issues for residential and commercial properties. With both engineering and contracting divisions, we deliver professionally engineered solutions that are as functional as they are aesthetically pleasing. Our team is composed of dedicated, full-time professionals known for their technical expertise, attention to detail, and commitment to exceptional customer service. All consultations, assessments, and installations are performed by licensed experts—including soils engineers and landscape and drainage system designers—who bring decades of combined experience in design and construction. Clients trust DES for our reliability and results, leading to a strong referral-based business and consistently high rankings on contractor-rating platforms.

"I highly recommend DES! I arranged a consultation after a home inspection report indicated that there was moisture in our basement walls. I was worried that costly mitigation efforts would be required. A friend who had previously used DES for a basement water problem highly recommend them, telling us that they were an honest company that only does what is necessary to solve a problem. Happily, Mark Fine from DES inspected both our basement and our exterior grounds and reported that there was no indication of cracks in the foundation or water intrusion, and that no work needed to be done. It is so refreshing to have a company that doesn't try to sell expensive services when they are not necessary!"

Brian E on October 2025


Avatar for GAC Services

GAC Services

4.80(
279
)
Approved Pro

GAC Services

4.80(
279
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
600 local quotes requested

GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling

"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."

Deepak K on February 2025

GAC Services is a residential cooling, heating, and electrical contractor setting new standards in the Maryland HVAC and electric market. Since 1970, we’ve developed a strong reputation for providing the Montgomery County and Frederick County areas with reliable cooling and heating services. In 2014, we expanded our service offerings to include electrical services—allowing us to offer our customers the same great service in a new area of business. Additional DBA: Gaithersburg Heating & Cooling

"Highly professional, knowledgeable and well behaved technician. Prices offered were good too. I definitely recommend the company."

Deepak K on February 2025


Avatar for Lou's Electrical Contractor & Installation LLC

Lou's Electrical Contractor & Installation LLC

3.87(
104
)
Approved Pro

Lou's Electrical Contractor & Installation LLC

3.87(
104
)
Approved Pro
Super Service Award
Customers say: Quality work
38 local quotes requested
19 years of experience

I establish the company in 2006, I been providing electrical service to residential and commercial facilities, I am looking forward to providing any electrical service to the community for years to come, we have over 14 years' experience in electrical services.

"Fast and Completed what we needed & will call him back for more!😊👍"

Curtis G on March 2025

I establish the company in 2006, I been providing electrical service to residential and commercial facilities, I am looking forward to providing any electrical service to the community for years to come, we have over 14 years' experience in electrical services.

"Fast and Completed what we needed & will call him back for more!😊👍"

Curtis G on March 2025


Avatar for Betterliving Sunrooms Of The Capital Area

Betterliving Sunrooms Of The Capital Area

4.75(
53
)
Approved Pro

Betterliving Sunrooms Of The Capital Area

4.75(
53
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
211 local quotes requested

Betterliving sunroom of the Capital area is sub division of Deck Soldier - family own business, over 14 years we spetialise in Deck building , restoration and screen porch constractions. December 2023 is time when we get opportunity to be come dealer for one of the best Sunroom manufactory -Betterliving sunrooms. Beginning of 2024 was education time. We spent 2 weeks with crew leaders on factory in PA - learning new materials and installation process. Another 2 weeks our sales team learned history of 70 years company and saw how every detail of sunroom is made, learn why Betterliving Sunrooms is best quality sunrooms on market. We proud that we build over 30 Sunrooms and screen porches in 2024 and all our customers happy with their final rooms. We sustain our business on quality and integrity. We look forward to earning your business -sunrooms (3 or 4 season , vinyl or aluminum) -screen rooms -porches -deck building -deck remodeling -deck restoration( washing, staining) -paver patio/retaining walls

"Deck Soldier (aka Betterliving) did a fantastic job of powerwashing and then sealing my deck, installing new handrails, and staining the swingset in the yard. Very pleased with their work and their professionalism."

Andrew H on October 2024

Betterliving sunroom of the Capital area is sub division of Deck Soldier - family own business, over 14 years we spetialise in Deck building , restoration and screen porch constractions. December 2023 is time when we get opportunity to be come dealer for one of the best Sunroom manufactory -Betterliving sunrooms. Beginning of 2024 was education time. We spent 2 weeks with crew leaders on factory in PA - learning new materials and installation process. Another 2 weeks our sales team learned history of 70 years company and saw how every detail of sunroom is made, learn why Betterliving Sunrooms is best quality sunrooms on market. We proud that we build over 30 Sunrooms and screen porches in 2024 and all our customers happy with their final rooms. We sustain our business on quality and integrity. We look forward to earning your business -sunrooms (3 or 4 season , vinyl or aluminum) -screen rooms -porches -deck building -deck remodeling -deck restoration( washing, staining) -paver patio/retaining walls

"Deck Soldier (aka Betterliving) did a fantastic job of powerwashing and then sealing my deck, installing new handrails, and staining the swingset in the yard. Very pleased with their work and their professionalism."

Andrew H on October 2024


Avatar for Presidential Heating & Air Conditioning

Presidential Heating & Air Conditioning

4.65(
431
)
Approved Pro

Presidential Heating & Air Conditioning

4.65(
431
)
Approved Pro
Customers say: Super punctual
166 local quotes requested
43 years of experience

You and your family deserve to receive the best care and the best service. Not every heating & A/C company gives you the quality people and care that Presidential does. We offer 40 Years of Award-Winning Quality People, Quality Installation, and Quality Service. Delivering this quality service and care for your home is our commitment to you! Family-owned and operated, Presidential specializes in residential and light commercial service and installation throughout MD, VA & DC. Ask us about our system replacement specials and The Advantage Maintenance Plan for preferred VIP service. Presidential has been awarded the Carrier Factory Authorized Dealer Award and is a member of the ACCA (Air Conditioning Contractors of America) and the Quality One service network.

"Excellent service! I had a 26yr old A/C and Propane furnace that I wanted to update to an ALL ELECTRIC high efficiency heat pump. The price in the estimate was much higher than I was expecting, but they worked with me and brought it down considerably, provided I could accept an install slot in a couple of days due to a cancellation. Go for it, I thought! Unfortunately, it turned out that the estimator/salesman (who shall remain nameless) apparently got a bit confused and set up the equipment as a hybrid propane system - not the all-electric system that I wanted. Ugh. I only realized this when the installers had the indoor unit in place, and I saw the propane burners. Doh! So, I explained the situation to them, and they pulled the unwanted unit out and jumped through the hoops to order the correct unit and its accessories (wiring, breakers etc.), with no change to the price. They were very friendly and polite through all of this even though it meant the wasted work and that they had to come back the next day with the new IDU. Anyway, the final install all went well, and they were very friendly and respectful of the property and explained all the install details as they went (sorry Melvin, for all the pestering!) I'm very happy with the company and the installer's knowledge and professionalism. RECOMMENDED!"

Mark Q on October 2025

You and your family deserve to receive the best care and the best service. Not every heating & A/C company gives you the quality people and care that Presidential does. We offer 40 Years of Award-Winning Quality People, Quality Installation, and Quality Service. Delivering this quality service and care for your home is our commitment to you! Family-owned and operated, Presidential specializes in residential and light commercial service and installation throughout MD, VA & DC. Ask us about our system replacement specials and The Advantage Maintenance Plan for preferred VIP service. Presidential has been awarded the Carrier Factory Authorized Dealer Award and is a member of the ACCA (Air Conditioning Contractors of America) and the Quality One service network.

"Excellent service! I had a 26yr old A/C and Propane furnace that I wanted to update to an ALL ELECTRIC high efficiency heat pump. The price in the estimate was much higher than I was expecting, but they worked with me and brought it down considerably, provided I could accept an install slot in a couple of days due to a cancellation. Go for it, I thought! Unfortunately, it turned out that the estimator/salesman (who shall remain nameless) apparently got a bit confused and set up the equipment as a hybrid propane system - not the all-electric system that I wanted. Ugh. I only realized this when the installers had the indoor unit in place, and I saw the propane burners. Doh! So, I explained the situation to them, and they pulled the unwanted unit out and jumped through the hoops to order the correct unit and its accessories (wiring, breakers etc.), with no change to the price. They were very friendly and polite through all of this even though it meant the wasted work and that they had to come back the next day with the new IDU. Anyway, the final install all went well, and they were very friendly and respectful of the property and explained all the install details as they went (sorry Melvin, for all the pestering!) I'm very happy with the company and the installer's knowledge and professionalism. RECOMMENDED!"

Mark Q on October 2025


Avatar for Glenmont Heating & A/C

Glenmont Heating & A/C

4.62(
65
)
Approved Pro

Glenmont Heating & A/C

4.62(
65
)
Approved Pro
Customers say: Super punctual
28 local quotes requested
41 years of experience

When Glenmont Heating & Air Conditioning was founded 28 years ago, we had one goal in mind; providing area families, and businesses with solutions that fit their lifestyles and needs, as well as their wallets. If you have any questions about heating and air conditioning maintenance, a new HVAC system, or are looking into installing a more energy efficient system, Glenmont Heating and Air is the solution to your needs.

"Not Recommended for Thermostat Replacement — Unreasonable and Unfair $700 Charge I do not recommend Glenmont Air Conditioning & Heating for thermostat replacement work. I was charged $700 for a simple thermostat replacement, which I believe was unreasonably high and unfair. I was under the impression that the quoted estimate represented the maximum expected cost only if the technician had to perform additional wiring or complex installation work. If you want to install an Ecobee or any other type of thermostat, you can simply YouTube the installation, which provides step-by-step instructions on how to unwire, label, and rewire to the new thermostat. For my installation, I was under the impression that additional wiring might be needed, but it turned out to be a straightforward swap of the old thermostat with a new Ecobee unit, a process that took only about 15 minutes. Despite that, I was still charged the full amount. The Ecobee Premium thermostat itself costs around $250, meaning they charged nearly $500 just for labor, regardless of how simple or quick the installation is. To make matters worse, the installation only comes with a 30-day warranty, which hardly justifies such a high price. I tried to communicate and explain that this charge was unreasonably high and unfair, but they simply said, “It is what it is.” If you’re considering a thermostat installation, I strongly suggest hiring a professional through Thumbtack, where qualified experts can do the same job for under $150 with transparent pricing and good service. I expected fairness, honesty, and reasonable pricing from Glenmont, but unfortunately, that was not my experience."

Soheil R on October 2025

When Glenmont Heating & Air Conditioning was founded 28 years ago, we had one goal in mind; providing area families, and businesses with solutions that fit their lifestyles and needs, as well as their wallets. If you have any questions about heating and air conditioning maintenance, a new HVAC system, or are looking into installing a more energy efficient system, Glenmont Heating and Air is the solution to your needs.

"Not Recommended for Thermostat Replacement — Unreasonable and Unfair $700 Charge I do not recommend Glenmont Air Conditioning & Heating for thermostat replacement work. I was charged $700 for a simple thermostat replacement, which I believe was unreasonably high and unfair. I was under the impression that the quoted estimate represented the maximum expected cost only if the technician had to perform additional wiring or complex installation work. If you want to install an Ecobee or any other type of thermostat, you can simply YouTube the installation, which provides step-by-step instructions on how to unwire, label, and rewire to the new thermostat. For my installation, I was under the impression that additional wiring might be needed, but it turned out to be a straightforward swap of the old thermostat with a new Ecobee unit, a process that took only about 15 minutes. Despite that, I was still charged the full amount. The Ecobee Premium thermostat itself costs around $250, meaning they charged nearly $500 just for labor, regardless of how simple or quick the installation is. To make matters worse, the installation only comes with a 30-day warranty, which hardly justifies such a high price. I tried to communicate and explain that this charge was unreasonably high and unfair, but they simply said, “It is what it is.” If you’re considering a thermostat installation, I strongly suggest hiring a professional through Thumbtack, where qualified experts can do the same job for under $150 with transparent pricing and good service. I expected fairness, honesty, and reasonable pricing from Glenmont, but unfortunately, that was not my experience."

Soheil R on October 2025


Avatar for Sila Heating, Cooling and Plumbing

Sila Heating, Cooling and Plumbing

4.64(
2,119
)
Approved Pro

Sila Heating, Cooling and Plumbing

4.64(
2,119
)
Approved Pro
Customers say: Super punctual
619 local quotes requested
36 years of experience

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"They charged $98 to come give me an estimate for swapping our a shower valve cartridge, which was fine, but the pricing they provided was completely unreasonable, $1,000. They were unwilling to provide any detail for the price. I ended up buy the part myself for $30 and replaced it in 30 minutes."

Tom A on October 2024

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"They charged $98 to come give me an estimate for swapping our a shower valve cartridge, which was fine, but the pricing they provided was completely unreasonable, $1,000. They were unwilling to provide any detail for the price. I ended up buy the part myself for $30 and replaced it in 30 minutes."

Tom A on October 2024


Avatar for Willis Builders Inc

Willis Builders Inc

4.36(
370
)
Approved Pro

Willis Builders Inc

4.36(
370
)
Approved Pro
Customers say: Quality work
125 local quotes requested
21 years of experience

General contractor servicing Montgomery County and parts of Washington DC. Willis Builders is a family owned and operated company, that specializes in additions, kitchen, bathroom and basement remodeling. Our team is skilled in all aspects of residential construction. Willis Builders has built a business on honesty, dedication and hard work. Our goal is to make your renovation dream come true! Contact us today to schedule a free estimate.

"Excellent work. Very happy with the results."

Jon A on May 2025

General contractor servicing Montgomery County and parts of Washington DC. Willis Builders is a family owned and operated company, that specializes in additions, kitchen, bathroom and basement remodeling. Our team is skilled in all aspects of residential construction. Willis Builders has built a business on honesty, dedication and hard work. Our goal is to make your renovation dream come true! Contact us today to schedule a free estimate.

"Excellent work. Very happy with the results."

Jon A on May 2025


Avatar for Buric Heating and Air Conditioning

Buric Heating and Air Conditioning

4.65(
20
)
Approved Pro

Buric Heating and Air Conditioning

4.65(
20
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
33 local quotes requested

**Call us today for a FREE ESTIMATE on Heating or AC system replacements!** With over 19 years of experience, Buric Heating and Air Conditioning is a full service residential heating and cooling company that has offered Ellicott City, MD and its surrounding areas with plenty of jobs well done. By offering straight forward pricing and free estimates on equipment installations or replacements, you can trust that they are the right HVAC professionals for you. Call today for your next appointment!

"They installed our AC system; that went fine. But several years later, when it needed repair. They came out and looked at the problem, and then ghosted me. They didn't return my multiple calls. When I finally got somebody else to come out to look at the problem, they told me that the warranty had just expired on the part that needed replacing. Putting 2 +2 together, Buric ghosted me to run out the clock on my warranty for the repair of the product they installed. Would you ever hire anybody who behaves like that???"

Noam S on June 2022

**Call us today for a FREE ESTIMATE on Heating or AC system replacements!** With over 19 years of experience, Buric Heating and Air Conditioning is a full service residential heating and cooling company that has offered Ellicott City, MD and its surrounding areas with plenty of jobs well done. By offering straight forward pricing and free estimates on equipment installations or replacements, you can trust that they are the right HVAC professionals for you. Call today for your next appointment!

"They installed our AC system; that went fine. But several years later, when it needed repair. They came out and looked at the problem, and then ghosted me. They didn't return my multiple calls. When I finally got somebody else to come out to look at the problem, they told me that the warranty had just expired on the part that needed replacing. Putting 2 +2 together, Buric ghosted me to run out the clock on my warranty for the repair of the product they installed. Would you ever hire anybody who behaves like that???"

Noam S on June 2022


Avatar for Beacon Home Services

Beacon Home Services

4.70(
1,015
)
Approved Pro

Beacon Home Services

4.70(
1,015
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
909 local quotes requested

When you have an electrical or plumbing issue, you want it solved quickly for the safety and comfort of you and your family. Our technicians genuinely care about our customers, which is one of the reasons why we have been a trusted electrical and plumbing services company in the area for the past 20+ years. Our technicians have well stocked trucks and are able to do most repairs the same day. We offer 5-star service, same-day services, upfront pricing, as well as various financing options. Our technicians are highly trained and confident in their skills and ability to handle any electrical and plumbing issue in your home and stand behind all our recommended repairs.

"The contractor sent to my house was NOT a licensed electrician. I was told a free quote was 39.99, that turned to 59.99 when I got the estimate and it was waaaaaay over priced and then wanted me to pay a fee to get a warranty for their work! I would have expected a warranty on his work should have been given to me! I needed the job done right away, he was pleasant and courteous but never again with this company."

Beverly V on October 2025

When you have an electrical or plumbing issue, you want it solved quickly for the safety and comfort of you and your family. Our technicians genuinely care about our customers, which is one of the reasons why we have been a trusted electrical and plumbing services company in the area for the past 20+ years. Our technicians have well stocked trucks and are able to do most repairs the same day. We offer 5-star service, same-day services, upfront pricing, as well as various financing options. Our technicians are highly trained and confident in their skills and ability to handle any electrical and plumbing issue in your home and stand behind all our recommended repairs.

"The contractor sent to my house was NOT a licensed electrician. I was told a free quote was 39.99, that turned to 59.99 when I got the estimate and it was waaaaaay over priced and then wanted me to pay a fee to get a warranty for their work! I would have expected a warranty on his work should have been given to me! I needed the job done right away, he was pleasant and courteous but never again with this company."

Beverly V on October 2025

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Showing 1-10 of 300
Subcontractors questions, answered by experts

In most cases, a contractor will ask you for a deposit that is a percentage of the total cost of your job, but you should never pay in full before work has begun. The up-front cost could be as much as 50%, or you might give a contractor as little as 10% up front. Discuss payment terms with your contractor before they begin the job to avoid surprises.

Structural engineers are necessary for projects involving alterations to load-bearing structures, foundation work, and compliance with safety standards. This includes home expansions, retaining walls, and significant repairs that impact a property's integrity.

General contractors typically manage home renovation or build projects that last more than a week and involve various skilled tradespeople. Some examples include building a new home or barn, adding an extension or garage, or carrying out major room remodels involving extensive plumbing, electrical, and structural changes.

Common pitfalls include underestimating the cost of site preparation, overlooking permit and utility fees, and not setting aside funds for unexpected changes. Change orders during construction can disrupt your budget. It’s best to plan a detailed budget, obtain multiple quotes, and include a 10% to 15% contingency fund for unexpected expenses.

On average, the cost to transform your garage into a workshop is about $2,000. The overall project cost depends on the type of workshop you want to build and its size. Regardless of the type of workshop, you’ll still need basic workshop spaces and equipment such as a workbench, cabinets, and space for storage and for working.

The Washington Grove, MD homeowners’ guide to subcontracting services

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