*The Angi rating for Subcontracting companies in North Potomac, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Subcontracting needs.
*The HomeAdvisor rating for Subcontracting companies in North Potomac, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Subcontracting needs.
Last update on May 31, 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.
""After 15 years of enduring water and flooding damage to our yard and the foundation of our house, and after trying various 'solutions' from well-intentioned landscapers that never truly resolved the issues, we ultimately decided to engage Drainage and Erosion Solutions. We required comprehensive flood control and damage mitigation, and their expert team skillfully implemented swales, dry creeks, catch basins, and channel drains in areas where water management was critical. They also replaced a water-damaged window well, removed a flagstone patio to install drain basins and drainage pipes, and flawlessly reinstalled it. The supervisor and crew displayed remarkable knowledge, professionalism, and an unwavering commitment to detail throughout the entire project. This system has been operational for several months now, and even during the most intense rainfall, which historically led to road flooding, my house and foundation remain dry. We enthusiastically endorse this company without reservation.""
Lori D on November 2023
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.
""After 15 years of enduring water and flooding damage to our yard and the foundation of our house, and after trying various 'solutions' from well-intentioned landscapers that never truly resolved the issues, we ultimately decided to engage Drainage and Erosion Solutions. We required comprehensive flood control and damage mitigation, and their expert team skillfully implemented swales, dry creeks, catch basins, and channel drains in areas where water management was critical. They also replaced a water-damaged window well, removed a flagstone patio to install drain basins and drainage pipes, and flawlessly reinstalled it. The supervisor and crew displayed remarkable knowledge, professionalism, and an unwavering commitment to detail throughout the entire project. This system has been operational for several months now, and even during the most intense rainfall, which historically led to road flooding, my house and foundation remain dry. We enthusiastically endorse this company without reservation.""
Lori D on November 2023
Atlas Home Energy Solutions is committed to providing the highest quality home energy improvements to homeowners interested in reducing their utility bills and improving the comfort of their home year round. Customer Satisfaction is our number one priority and we promise that we can make a real impact in your home in a way that keeps you happy every step of the way.
"Atlas home energy solutions did an outstanding job from start to finish. They were professional, knowledgeable, courteous and easy to work with. All the crew members Ben Mott (was very knowledgeable, did the home energy audit, followed up with competitive quotes, which was adjusted to accommodate my request, offered BGE rebates upfront, patient and friendly to attend my calls and answer all the questions), Zam (Crew leader who did the exhaust fan installation), Tun (Crew leader who did an outstanding job to insulate the attic and basement), David (Crew leader who did duct cleaning and Aeroseal) were phenomenal and did an outstanding job. The end result is a day and night difference before and after the work and my BGE bill last month went down by more than $100 which is a huge cost saver. The HVAC does not run that much these days and the temperature is pretty even across the 30-year townhouse. I highly recommend Atlas home energy solutions for home energy audit and improvements."
Chandra V on April 2024
Atlas Home Energy Solutions is committed to providing the highest quality home energy improvements to homeowners interested in reducing their utility bills and improving the comfort of their home year round. Customer Satisfaction is our number one priority and we promise that we can make a real impact in your home in a way that keeps you happy every step of the way.
"Atlas home energy solutions did an outstanding job from start to finish. They were professional, knowledgeable, courteous and easy to work with. All the crew members Ben Mott (was very knowledgeable, did the home energy audit, followed up with competitive quotes, which was adjusted to accommodate my request, offered BGE rebates upfront, patient and friendly to attend my calls and answer all the questions), Zam (Crew leader who did the exhaust fan installation), Tun (Crew leader who did an outstanding job to insulate the attic and basement), David (Crew leader who did duct cleaning and Aeroseal) were phenomenal and did an outstanding job. The end result is a day and night difference before and after the work and my BGE bill last month went down by more than $100 which is a huge cost saver. The HVAC does not run that much these days and the temperature is pretty even across the 30-year townhouse. I highly recommend Atlas home energy solutions for home energy audit and improvements."
Chandra V on April 2024
JCB Handyman/Masonry offers experienced finish carpentry, framing, and general handyman work in Washington D.C. Contact us today for an estimate!
"I had a very positive experience with JCB and will definitely call them in the future when I need help. I wanted to completely change my kitchen but I didn’t want to shoulder the expense of new cabinetry. I spoke to Brandon about my vision (which was to have a rustic, distressed look on my kitchen cabinetry with coordinated accent cabinetry around the kitchen) and he gave me a lot of helpful info on the phone, even before I signed the contract. He came out to my home to show me what they could do, to make sure it was to my liking. His estimate also seemed fair. Once the job started, Brandon and Chris and Joe were kind and communicative, letting me know what they were doing each day and checking in for feedback. Because I wanted a unique, distressed look on my cabinets, they created the look entirely by hand based on my description of what I wanted. It was painstaking and labor-intensive, but they worked efficiently. The entire job was done in a week (they worked through the weekend) and I’m thrilled with the result. They also re-painted my walls, in a color that complimented the new cabinetry, and they replaced a light fixture. In addition to be very talented and building me a kitchen that I love, they are genuinely good humans, which is even more important. I’d highly recommend JCB."
Patty M on April 2023
JCB Handyman/Masonry offers experienced finish carpentry, framing, and general handyman work in Washington D.C. Contact us today for an estimate!
"I had a very positive experience with JCB and will definitely call them in the future when I need help. I wanted to completely change my kitchen but I didn’t want to shoulder the expense of new cabinetry. I spoke to Brandon about my vision (which was to have a rustic, distressed look on my kitchen cabinetry with coordinated accent cabinetry around the kitchen) and he gave me a lot of helpful info on the phone, even before I signed the contract. He came out to my home to show me what they could do, to make sure it was to my liking. His estimate also seemed fair. Once the job started, Brandon and Chris and Joe were kind and communicative, letting me know what they were doing each day and checking in for feedback. Because I wanted a unique, distressed look on my cabinets, they created the look entirely by hand based on my description of what I wanted. It was painstaking and labor-intensive, but they worked efficiently. The entire job was done in a week (they worked through the weekend) and I’m thrilled with the result. They also re-painted my walls, in a color that complimented the new cabinetry, and they replaced a light fixture. In addition to be very talented and building me a kitchen that I love, they are genuinely good humans, which is even more important. I’d highly recommend JCB."
Patty M on April 2023
Nericall LLC offers a wide array of home automation/home theater and A/V services. We will customize it to the client's specific needs. An initial estimate is done and a custom proposal is prepared for the customer depending on needs, recommendations and budget.
"Easily one of the most skilled and comprehensive home automation/electronics installer in the area. Been working with Cristian for over a decade now on various projects. Always dependable. Always gets the job done. Highly skilled."
Ahmed B on June 2024
Nericall LLC offers a wide array of home automation/home theater and A/V services. We will customize it to the client's specific needs. An initial estimate is done and a custom proposal is prepared for the customer depending on needs, recommendations and budget.
"Easily one of the most skilled and comprehensive home automation/electronics installer in the area. Been working with Cristian for over a decade now on various projects. Always dependable. Always gets the job done. Highly skilled."
Ahmed B on June 2024
BasementRemodeling.com / Basement Masters - licensed and insured, award winning Basement Remodeling and Finishing company. Highest rated basement renovation contractor in Maryland. Finished Basements are our specialty. We specialize in custom basement remodeling and finishing and other large-scale remodels. We offer free in home and over-the-phone estimate and consultation. Here at BasementRemodeling.com we believe that QUALITY AND EXCEPTIONAL CRAFTSMANSHIP must always come along with AFFORDABILITY. keywords: finished basement basements remodeling.
"I hired Basementremodeling.com for the gutting and rebuilding of my entire basement on the recommendation of my next door neighbor, and they did a fantastic job. I had been looking at several contractors, and the professionalism and dedication of this firm was really impressive. Their planning and design team were top notch. Everything was transparent. The crews worked their hearts out, they were super polite and tidy, and their attention to detail, flexibility and willingness to work with me on last minute changes was superb. I'd hire basementremodelling.com again without question! Thanks guys!"
Dan L on May 2025
BasementRemodeling.com / Basement Masters - licensed and insured, award winning Basement Remodeling and Finishing company. Highest rated basement renovation contractor in Maryland. Finished Basements are our specialty. We specialize in custom basement remodeling and finishing and other large-scale remodels. We offer free in home and over-the-phone estimate and consultation. Here at BasementRemodeling.com we believe that QUALITY AND EXCEPTIONAL CRAFTSMANSHIP must always come along with AFFORDABILITY. keywords: finished basement basements remodeling.
"I hired Basementremodeling.com for the gutting and rebuilding of my entire basement on the recommendation of my next door neighbor, and they did a fantastic job. I had been looking at several contractors, and the professionalism and dedication of this firm was really impressive. Their planning and design team were top notch. Everything was transparent. The crews worked their hearts out, they were super polite and tidy, and their attention to detail, flexibility and willingness to work with me on last minute changes was superb. I'd hire basementremodelling.com again without question! Thanks guys!"
Dan L on May 2025
Joseph Plumbing & Drain, LLC is College Park's premier plumbing company. Call us for all of your plumbing needs. With 15 years experience we aim to not only meet but exceed your expectations. Call us today and see why your neighbors use Joseph Plumbing & Drain, LLC! Master License 72767
"Very well, was on time, professional and knowledgeable"
Deborah W on May 2025
Joseph Plumbing & Drain, LLC is College Park's premier plumbing company. Call us for all of your plumbing needs. With 15 years experience we aim to not only meet but exceed your expectations. Call us today and see why your neighbors use Joseph Plumbing & Drain, LLC! Master License 72767
"Very well, was on time, professional and knowledgeable"
Deborah W on May 2025
Beltway Air Conditioning & Heating is locally owned & operated out of Hanover, MD. We are Lennox Premier Dealers & are BBB accredited with A+ ratings & reviews - We provide services & installations within a 50 mile radius of home base. Our team specializes in installing and servicing heating, cooling & ventilation equipment, whether it is a small A/C repair or a commercial rooftop - our team is trained to take care of all your HVAC needs! We bring extensive experience and professionalism to every home and commercial building. Our work reflects our passion! The Best Price + The Best Work = Your Best Value. We have uniformed & well-trained staff that under goes background checks and drug screening upon hire and randomly. All of our service professionals are also licensed to work in the state of Maryland.
"We are a bit disappointed by Beltway. While we do appreciate some of their efforts in trying to remedy the situation, the overall experience has been quite negative. Please see reasons below: 1. A brand new HVAC system that was installed on Wednesday completely failed by Saturday morning - which was less than 3 days of installation. This calls into question the quality of Beltway’s product or job, or both. 2. Weekend messenger centers have been extremely frustrating and unhelpful, basically saying that Beltway does not serve customers during non-business hours and that customers just have to deal with Beltway’s issues on their own. We called 4 times this weekend out of desperation. Yet each time they showed no sympathy on the fact that our baby has been suffering through the 80 to 90-degree heat trying to nap. 3. A weekend technician was finally sent on late Sunday afternoon (thanks to owner’s stepping in); however his timing messed up weekend plan as one of us had to stay home and completely missed our good friend’s son’s high school graduation party (now people at the party learned about Beltway…). 4. Unfortunately, this weekend technical was unable to solve the problem and decided to leave us with 2 portable cooling units, which, unfortunately, were extremely loud and inefficient in cooling down, so most of us weren’t able to sleep, just like the night before. Felt like all of their products that we’ve coped with in the past 5 days have been nothing but disappointing. 5. Finally, the full crew came on Monday. But their timing here again messed up the baby’s nap schedule - as the upstairs system was right next to the nursery. This is our first time hiring Beltway. The amount of inconvenience and frustration that they had created in the past 3 days was unbelievable. The experience has been quite negative from multiple aspects, calling into question not only their customer service ability/arrangement but also quality of their products and jobs. We don’t know if we can trust Beltway again or hire them again."
Charlene A on June 2023
Beltway Air Conditioning & Heating is locally owned & operated out of Hanover, MD. We are Lennox Premier Dealers & are BBB accredited with A+ ratings & reviews - We provide services & installations within a 50 mile radius of home base. Our team specializes in installing and servicing heating, cooling & ventilation equipment, whether it is a small A/C repair or a commercial rooftop - our team is trained to take care of all your HVAC needs! We bring extensive experience and professionalism to every home and commercial building. Our work reflects our passion! The Best Price + The Best Work = Your Best Value. We have uniformed & well-trained staff that under goes background checks and drug screening upon hire and randomly. All of our service professionals are also licensed to work in the state of Maryland.
"We are a bit disappointed by Beltway. While we do appreciate some of their efforts in trying to remedy the situation, the overall experience has been quite negative. Please see reasons below: 1. A brand new HVAC system that was installed on Wednesday completely failed by Saturday morning - which was less than 3 days of installation. This calls into question the quality of Beltway’s product or job, or both. 2. Weekend messenger centers have been extremely frustrating and unhelpful, basically saying that Beltway does not serve customers during non-business hours and that customers just have to deal with Beltway’s issues on their own. We called 4 times this weekend out of desperation. Yet each time they showed no sympathy on the fact that our baby has been suffering through the 80 to 90-degree heat trying to nap. 3. A weekend technician was finally sent on late Sunday afternoon (thanks to owner’s stepping in); however his timing messed up weekend plan as one of us had to stay home and completely missed our good friend’s son’s high school graduation party (now people at the party learned about Beltway…). 4. Unfortunately, this weekend technical was unable to solve the problem and decided to leave us with 2 portable cooling units, which, unfortunately, were extremely loud and inefficient in cooling down, so most of us weren’t able to sleep, just like the night before. Felt like all of their products that we’ve coped with in the past 5 days have been nothing but disappointing. 5. Finally, the full crew came on Monday. But their timing here again messed up the baby’s nap schedule - as the upstairs system was right next to the nursery. This is our first time hiring Beltway. The amount of inconvenience and frustration that they had created in the past 3 days was unbelievable. The experience has been quite negative from multiple aspects, calling into question not only their customer service ability/arrangement but also quality of their products and jobs. We don’t know if we can trust Beltway again or hire them again."
Charlene A on June 2023
Mr. Electric is a global franchise organization that provides electrical installation and repair services for residential and commercial customers. Founded in 1994, Mr. Electric has nearly 200 locations worldwide and is a subsidiary of the Neighborly family of service franchises.
"Great! Matt installed two new outlets for us and was very polite and efficient. We are very happy with his work!"
Katie M on February 2025
Mr. Electric is a global franchise organization that provides electrical installation and repair services for residential and commercial customers. Founded in 1994, Mr. Electric has nearly 200 locations worldwide and is a subsidiary of the Neighborly family of service franchises.
"Great! Matt installed two new outlets for us and was very polite and efficient. We are very happy with his work!"
Katie M on February 2025
Upgrade your home with home entertainment and security system installations from our company. We pride ourselves on the quality work we provide, while delivering great customer service! Call -or- click to schedule a free estimate today!
"Very well! Our technician was very competent and pleasant to deal with"
rae g on March 2025
Upgrade your home with home entertainment and security system installations from our company. We pride ourselves on the quality work we provide, while delivering great customer service! Call -or- click to schedule a free estimate today!
"Very well! Our technician was very competent and pleasant to deal with"
rae g on March 2025
We promise accurate quotes that don’t change, and offer an on time service guarantee, with exceptional communication. Our company is committed to being as environmentally friendly as possible by utilizing multiple donation and recycling centers.
"Everything went very smoothly. Sam, the plumber, and is highly professional and knowledgeable. He replaced 3 faucets, 2 sink plugs, two valves, and two supply lines. Sam inspected the p traps, and he added adhesive where it was necessary. Sam also took a look at my two year old hot water heater, and he assessed my water supply to this unit. We discussed performing a complete drain, and check of the components of the heater at a later date. Sam also advised me that a toilet in the basement should be replaced with a more updated commode. We rarely use this toilet, but it's 35 years old. I felt comfortable speaking with Sam. I did not sense he was doing a sales pitch."
Dorothy G on April 2025
We promise accurate quotes that don’t change, and offer an on time service guarantee, with exceptional communication. Our company is committed to being as environmentally friendly as possible by utilizing multiple donation and recycling centers.
"Everything went very smoothly. Sam, the plumber, and is highly professional and knowledgeable. He replaced 3 faucets, 2 sink plugs, two valves, and two supply lines. Sam inspected the p traps, and he added adhesive where it was necessary. Sam also took a look at my two year old hot water heater, and he assessed my water supply to this unit. We discussed performing a complete drain, and check of the components of the heater at a later date. Sam also advised me that a toilet in the basement should be replaced with a more updated commode. We rarely use this toilet, but it's 35 years old. I felt comfortable speaking with Sam. I did not sense he was doing a sales pitch."
Dorothy G on April 2025
One starting point to find a local home builder is to collect suggestions from friends and neighbors. However, it’s still wise to do some more research before you hire a builder. Read reviews to supplement any word-of-mouth recommendations. Check sources like Angi that have standards and criteria in place to screen the pros it lists can also help you find more reputable local home builders.
Yes, most states require plumbers to be licensed, and for good reason. Hiring an unlicensed plumber could lead to poor quality work, costly future expenses, and potential code violations.
As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include:
The owner, principal, or relevant manager passed a criminal background check
Required to have applicable state and local licenses
Maintain an average star rating of 3.0 or better on our network, if they have at least one review
Paying to advertise their services
Meeting any other eligibility criteria required by Angi
Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.
Yes, most states require HVAC technicians to be certified, and for good reason. Hiring an unlicensed HVAC technician could lead to poor quality work, costly future expenses, and potential code violations.
As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include:
The owner, principal, or relevant manager passed a criminal background check
Required to have applicable state and local licenses
Maintain an average star rating of 3.0 or better on our network, if they have at least one review
Paying to advertise their services
Meeting any other eligibility criteria required by Angi
Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.
While city and state laws vary on general contractor licensing requirements, hiring an unlicensed general contractor could lead to poor quality work, costly future expenses, and potential code violations. Be sure to check our state licensing tool to review the local general contractor guidelines for your area.
As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include:
The owner, principal, or relevant manager passed a criminal background check
Required to have applicable state and local licenses
Maintain an average star rating of 3.0 or better on our network, if they have at least one review
Paying to advertise their services
Meeting any other eligibility criteria required by Angi
Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.
Qualified, licensed electricians will charge from $50 to $100 per hour. The cost to hire an electrician for emergency visits may range from $100 to $200 per hour because this urgent service usually takes place during off hours and may require an electrician to leave or reschedule jobs they’re currently working on. Scheduling work on holidays or during periods of high customer demand, like after a major storm, will also lead to higher rates or extra fees.