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  • Average homeowner rating star icon4.6
    Average homeowner rating
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    Verified subcontracting services reviews

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Roto-Rooter is a fully licensed and insured plumbing company providing 24/7 plumbing services, drain cleaning, and water damage cleanup. More people depend on Roto-Rooter than any other plumbing company in North America.


Avatar for Gold Medal Service

Gold Medal Service

4.44(
487
)
Approved Pro

Gold Medal Service

4.44(
487
)
Approved Pro
Customers say: Super punctual
179 local quotes requested
49 years of experience

Plumbing, HVAC, and electrical systems make your house livable. One minor issue with any of these systems can put your home at a standstill. In case you find yourself in this unfortunate situation, know that you can count on Gold Medal Service. For over 24 years, our company has been taking care of the homes of New Jersey residents through our top quality plumbing, HVAC, and electrical services. We are available 24 hours a day, 7 days a week to address even the most mind-boggling issues of your in-home equipment. From repairs, installations, and upgrades, our technicians are known for getting the job done right every time. We also provide upfront pricing with a full description of the service before commencing work to avoid any surprises down the line.

"If I could, I would give this horrible service provider a 0.0! I scheduled a plumbing appointment on a call, which was confirmed via multiple texts the day prior to the appt. Then had an employee go to the location during the 4 hour window they specified and wait for the plumber. On the day of the appt, 1 hour into the time window someone calls and says, sorry we’re not going to go because we only do residential plumbing. This was a surprise, as it was communicated to them that this was a business when I had set up the appt. So, I decided to speak with a manager. After spending over an hour of being bounced around from one dept to another, asking for a manager, they never connected me to one and their dispatcher had the audacity to say “sorry for your inconvenience, but you’ll just have to find someone else.” WOW! The hoops they make you jump through and the rudeness is not worth the hassle. I would definitely recommend you find a different plumbing pro for your project!"

Mark K on March 2024

Plumbing, HVAC, and electrical systems make your house livable. One minor issue with any of these systems can put your home at a standstill. In case you find yourself in this unfortunate situation, know that you can count on Gold Medal Service. For over 24 years, our company has been taking care of the homes of New Jersey residents through our top quality plumbing, HVAC, and electrical services. We are available 24 hours a day, 7 days a week to address even the most mind-boggling issues of your in-home equipment. From repairs, installations, and upgrades, our technicians are known for getting the job done right every time. We also provide upfront pricing with a full description of the service before commencing work to avoid any surprises down the line.

"If I could, I would give this horrible service provider a 0.0! I scheduled a plumbing appointment on a call, which was confirmed via multiple texts the day prior to the appt. Then had an employee go to the location during the 4 hour window they specified and wait for the plumber. On the day of the appt, 1 hour into the time window someone calls and says, sorry we’re not going to go because we only do residential plumbing. This was a surprise, as it was communicated to them that this was a business when I had set up the appt. So, I decided to speak with a manager. After spending over an hour of being bounced around from one dept to another, asking for a manager, they never connected me to one and their dispatcher had the audacity to say “sorry for your inconvenience, but you’ll just have to find someone else.” WOW! The hoops they make you jump through and the rudeness is not worth the hassle. I would definitely recommend you find a different plumbing pro for your project!"

Mark K on March 2024


All-Star Contractors of Hunterdon County, LLC

4.73(
30
)
Approved Pro

All-Star Contractors of Hunterdon County, LLC

4.73(
30
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
51 local quotes requested

EXCELLENCE IN RESIDENTIAL CONSTRUCTION! ATTENTION FLIPPERS: Make us a part of your team! We will take your property from unlivable to ready to sell. **WE SPECIALIZE IN MAJOR RECONSTRUCTION FOR HOUSE FLIPS AND FOR HOMES INVOLVED IN FIRES ETC. We do it ALL. From design & permit work to construction and finish. We have served central New Jersey for over 50 years. We have all the necessary in house specialist that can provide top quality performance for any job. Call or click to schedule an estimate today!

"All-Star Contractors was a pleasure to work with on my garage project. Bill scheduled an assessment and was right on time, during which he provided a competitive estimate for the whole project. The garage included electric, cement, roofing, and custom shelves, all of which Bill and his team were able to provide. His team showed up on time every morning and got the work done on the agreed-upon timeline. Bill was easy to work with an accommodated several special requests and his team did a fantastic job on the project. I would hire him again for any construction or home improvement needs!"

Thomas H on June 2025

EXCELLENCE IN RESIDENTIAL CONSTRUCTION! ATTENTION FLIPPERS: Make us a part of your team! We will take your property from unlivable to ready to sell. **WE SPECIALIZE IN MAJOR RECONSTRUCTION FOR HOUSE FLIPS AND FOR HOMES INVOLVED IN FIRES ETC. We do it ALL. From design & permit work to construction and finish. We have served central New Jersey for over 50 years. We have all the necessary in house specialist that can provide top quality performance for any job. Call or click to schedule an estimate today!

"All-Star Contractors was a pleasure to work with on my garage project. Bill scheduled an assessment and was right on time, during which he provided a competitive estimate for the whole project. The garage included electric, cement, roofing, and custom shelves, all of which Bill and his team were able to provide. His team showed up on time every morning and got the work done on the agreed-upon timeline. Bill was easy to work with an accommodated several special requests and his team did a fantastic job on the project. I would hire him again for any construction or home improvement needs!"

Thomas H on June 2025


Avatar for Advanced Heating & Air Conditioning

Advanced Heating & Air Conditioning

4.64(
76
)
Approved Pro

Advanced Heating & Air Conditioning

4.64(
76
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
16 years of experience

Founded in 1984, Advanced Heating & Air Conditioning (AHAC) initially operated as Alpha Oil Company until 2000 when it transitioned exclusively to HVAC services. Established by brothers Lou and Danny Roerig, the business flourished under Danny's leadership until his retirement in 2009. The company, now helmed by nephews Louis & Nicholas, continued its upward trajectory by acquiring local HVAC businesses from 2010 to 2012, such as Advance Service Inc. & Ship Mechanical. Serving Warren, Hunterdon, and Middlesex Counties in New Jersey, as well as Lehigh and Northampton Counties in Pennsylvania, AHAC has built a strong reputation for exceptional customer service since its inception. Today, it remains committed to growth and customer satisfaction, adapting to meet the evolving needs of its expanding clientele.

"The tech called ahead to say we will be there in 35 minutes. They came on time! ( Between 10-12) efficient, knowledgeable and did a great job. Canâ t ask for better than that! Thank you!"

Carole C on September 2022

Founded in 1984, Advanced Heating & Air Conditioning (AHAC) initially operated as Alpha Oil Company until 2000 when it transitioned exclusively to HVAC services. Established by brothers Lou and Danny Roerig, the business flourished under Danny's leadership until his retirement in 2009. The company, now helmed by nephews Louis & Nicholas, continued its upward trajectory by acquiring local HVAC businesses from 2010 to 2012, such as Advance Service Inc. & Ship Mechanical. Serving Warren, Hunterdon, and Middlesex Counties in New Jersey, as well as Lehigh and Northampton Counties in Pennsylvania, AHAC has built a strong reputation for exceptional customer service since its inception. Today, it remains committed to growth and customer satisfaction, adapting to meet the evolving needs of its expanding clientele.

"The tech called ahead to say we will be there in 35 minutes. They came on time! ( Between 10-12) efficient, knowledgeable and did a great job. Canâ t ask for better than that! Thank you!"

Carole C on September 2022


Avatar for Dukey's Sewer & Drain Cleaning

Dukey's Sewer & Drain Cleaning

4.95(
20
)
Approved Pro

Dukey's Sewer & Drain Cleaning

4.95(
20
)
Approved Pro
Customers say: Terrific value
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
5 years of experience

Dukey's Sewer & Drain Cleaning provides professional, reliable and competitively priced drain cleaning services. Our goal is to target and resolve your clog or blockage utilizing the latest equipment and technology. It's a messy buiness and we take pride in keeping your home, office, or business as tidy as when we arrived.

"I can not say enough good things about Kurt and Duckey’s! I had a major problem with my sewer line. It was compounded by my having a very sick wife (cancer) and the absolute need for fast and reliable work. Kurt responded within a half hour (!) and found and fixed the problem right away. He was great to work with and incredibly professional. I give Duckey’s my absolute highlight recommendation!"

John L on January 2025

Dukey's Sewer & Drain Cleaning provides professional, reliable and competitively priced drain cleaning services. Our goal is to target and resolve your clog or blockage utilizing the latest equipment and technology. It's a messy buiness and we take pride in keeping your home, office, or business as tidy as when we arrived.

"I can not say enough good things about Kurt and Duckey’s! I had a major problem with my sewer line. It was compounded by my having a very sick wife (cancer) and the absolute need for fast and reliable work. Kurt responded within a half hour (!) and found and fixed the problem right away. He was great to work with and incredibly professional. I give Duckey’s my absolute highlight recommendation!"

John L on January 2025


Avatar for NB Woodworks, LLC

NB Woodworks, LLC

5.00(
26
)
Approved Pro

NB Woodworks, LLC

5.00(
26
)
Approved Pro
Customers say: Quick response
29 local quotes requested
150 years of experience

NB Woodworks, LLC, is committed to excellence every aspect of our business. We uphold a standard of integrity, bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability, is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. We are a family owned business that has been in the construction business since 1875

"Anthony is an amazing contractor who worked effectively and gave me an outstanding finished product. I would highly recommend him for any project."

Madeline M on November 2025

NB Woodworks, LLC, is committed to excellence every aspect of our business. We uphold a standard of integrity, bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability, is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. We are a family owned business that has been in the construction business since 1875

"Anthony is an amazing contractor who worked effectively and gave me an outstanding finished product. I would highly recommend him for any project."

Madeline M on November 2025


Superior Tech HVAC & R, Inc.

5.00(
2
)
Approved Pro

Superior Tech HVAC & R, Inc.

5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
31 years of experience

At Superior Tech HVAC and R, Inc., our services are unmatched amongst the rest. We specialize in all HVAC installations and repair the New Jersey area. Call today for a free estimate! We look forward to working with you.

"very professional and prompt"

Dean C on April 2016

At Superior Tech HVAC and R, Inc., our services are unmatched amongst the rest. We specialize in all HVAC installations and repair the New Jersey area. Call today for a free estimate! We look forward to working with you.

"very professional and prompt"

Dean C on April 2016


Avatar for Transform Electric, LLC

Transform Electric, LLC

4.96(
14
)
Approved Pro

Transform Electric, LLC

4.96(
14
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
13 years of experience

Transform Electric LLC is a family owned and operated company that offers top quality service at a fair price. Why choose us? Customer satisfaction is our number one priority. With a drive to build lasting relationships and expert knowledge, we deliver a product that is unmatched and done right the first time ,without any surprises. Call us today for a free estimate.

"Exceeded all our expectations. Quality of work is high at a very reasonable price. Would hire them again for future projects. Highly recommended weâ re very happy of the service we got."

Rommel G on November 2023

Transform Electric LLC is a family owned and operated company that offers top quality service at a fair price. Why choose us? Customer satisfaction is our number one priority. With a drive to build lasting relationships and expert knowledge, we deliver a product that is unmatched and done right the first time ,without any surprises. Call us today for a free estimate.

"Exceeded all our expectations. Quality of work is high at a very reasonable price. Would hire them again for future projects. Highly recommended weâ re very happy of the service we got."

Rommel G on November 2023


Avatar for CarbonicHeat NE

CarbonicHeat NE

4.94(
8
)
Approved Pro

CarbonicHeat NE

4.94(
8
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
17 years of experience

Carbonic Heat is a specialist in Electric Radiant Floor Heating Systems. We have successfully installed over 300 systems in the northeast. We provide radiant heating solutions under tile, stone, engineered wood, luxury vinyl, laminate, and bamboo floors. We also install heat safely under nail-down hardwood floors. Carbonic Heat is economical, both in cost of installation and operation.

"We are happy with the installation."

Kris M on January 2023

Carbonic Heat is a specialist in Electric Radiant Floor Heating Systems. We have successfully installed over 300 systems in the northeast. We provide radiant heating solutions under tile, stone, engineered wood, luxury vinyl, laminate, and bamboo floors. We also install heat safely under nail-down hardwood floors. Carbonic Heat is economical, both in cost of installation and operation.

"We are happy with the installation."

Kris M on January 2023


Avatar for Gold Eagle Construction, LLC

Gold Eagle Construction, LLC

4.99(
59
)
Approved Pro

Gold Eagle Construction, LLC

4.99(
59
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
34 local quotes requested

Thank you for visiting Gold Eagle Construction, LLC. We are your locally owned and operated waterproofing specialists based in Dover, NJ. We service residential and commercial clients throughout Central and South NJ. Contact us now for your free estimate--we look forward to working with you soon!

"Quick estimates and installation. "

Hsuanshen C on November 2025

Thank you for visiting Gold Eagle Construction, LLC. We are your locally owned and operated waterproofing specialists based in Dover, NJ. We service residential and commercial clients throughout Central and South NJ. Contact us now for your free estimate--we look forward to working with you soon!

"Quick estimates and installation. "

Hsuanshen C on November 2025

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Subcontractors questions, answered by experts

While some people are confident in their ability to replace concrete by drilling out the broken pieces and replacing them with bagged concrete, it’s possible to run into snags that make hiring a professional worth it. Trying to level concrete slabs can require special equipment, which can be pricey to rent and tough to operate. It's also crucial to contact your town's municipal office to ensure you are allowed to take on the project without a permit.

Yes, most general contractors require a down payment for project completion. A reasonable down payment for a contractor is 10% to 25% of the total project cost, though that will vary based on project size and location. The down payment helps cover the upfront costs of materials and permits and helps ensure payment for the project at hand. 

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.

It pays to hire a project manager or general contractor when you have a large-scale project that will take over a week to complete, especially when it involves structural changes and multiple subcontractors. This includes hiring a general contractor to build a house, add an extension, or manage other projects that need a building permit.

Most commercial projects take 3-7 days, including curing time, depending on size and weather conditions.

The Annandale, NJ homeowners’ guide to subcontracting services

From average costs to expert advice, get all the answers you need to get your job done.

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