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  • Verified reviews icon25
    Verified home building services reviews

Find Home builders in Duanesburg

Avatar for C & J Custom Builders Inc

C & J Custom Builders Inc

5.00(
22
)
Approved Pro

C & J Custom Builders Inc

5.00(
22
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2009 years of experience

C & J is a local family owned building and remodeling company. We provide the highest quality of workmanship for all of your home renovation and remodeling projects. Handling all aspects of the construction process, we minimize the need for multiple contractors and assure your project runs smooth and efficiently. We use only the top quality products and go above and beyond to deliver craftsmanship you can have confidence and pride in.

"They person came over looked at the work gave me a quote and started the work. He removed all the old wood and replaced it with new."

Gary O on October 2021

C & J is a local family owned building and remodeling company. We provide the highest quality of workmanship for all of your home renovation and remodeling projects. Handling all aspects of the construction process, we minimize the need for multiple contractors and assure your project runs smooth and efficiently. We use only the top quality products and go above and beyond to deliver craftsmanship you can have confidence and pride in.

"They person came over looked at the work gave me a quote and started the work. He removed all the old wood and replaced it with new."

Gary O on October 2021


Avatar for Sentri Homes

Sentri Homes

New on AngiNew on Angi
Approved Pro

Sentri Homes

New on AngiNew on Angi
Approved Pro
2023 years of experience
Free onsite estimate

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.


Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

4.85(
347
)

Environmental Testing & Research Laboratories, Inc

4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018


"It went very well."

Jim K on August 2022

JAMCORE Home Improvements: Serving All Your Home Improvement and Remodeling Needs RRP Certified

"It went very well."

Jim K on August 2022


Avatar for Excellent Exterior and Deck Company, Inc

Excellent Exterior and Deck Company, Inc

4.98(
106
)

Excellent Exterior and Deck Company, Inc

4.98(
106
)
Customers say: Quality work
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers

We are a small construction company who's business model is focused on both customer service and the quality of our work. The owner, Joseph Vitale, is present on all job sites to ensure that the level of craftsmanship is held to the highest standard. We are a Trex Pro Platinum installer that specializes in composite decking and backyard transformations!

"Great job far exceeded expectations. Got done on time . Left yard in better shape than when started."

Brad R on June 2023

We are a small construction company who's business model is focused on both customer service and the quality of our work. The owner, Joseph Vitale, is present on all job sites to ensure that the level of craftsmanship is held to the highest standard. We are a Trex Pro Platinum installer that specializes in composite decking and backyard transformations!

"Great job far exceeded expectations. Got done on time . Left yard in better shape than when started."

Brad R on June 2023



Avatar for Allied Maintenance Solutions LLC

Allied Maintenance Solutions LLC

4.82(
17
)

Allied Maintenance Solutions LLC

4.82(
17
)
Customers say: Quick response
2023 years of experience

 We at Allied Maintenance strive to satisfy all of our customers and will go the extra mile to make sure you're completely satisfied. Our team of skilled handymen provides quality workmanship and excellent customer service to ensure your home is well-maintained and fully functional. If you're looking for a company that provides maintenance services, outstanding service, and beautiful outcomes, then look no further than Allied Maintenance Solutions.  We work closely with each client to understand their unique needs and preferences, and our commitment to customer satisfaction means we won't rest until you are 100% happy with our work.

"Did a good job unclogging my sink. Afterwards I hired Michael Evangelista to install a laundry tub. He did a poor job as sink drains came apart and he did not return to repair. I will never use Michael Evangelista again"

Jim L on November 2025

 We at Allied Maintenance strive to satisfy all of our customers and will go the extra mile to make sure you're completely satisfied. Our team of skilled handymen provides quality workmanship and excellent customer service to ensure your home is well-maintained and fully functional. If you're looking for a company that provides maintenance services, outstanding service, and beautiful outcomes, then look no further than Allied Maintenance Solutions.  We work closely with each client to understand their unique needs and preferences, and our commitment to customer satisfaction means we won't rest until you are 100% happy with our work.

"Did a good job unclogging my sink. Afterwards I hired Michael Evangelista to install a laundry tub. He did a poor job as sink drains came apart and he did not return to repair. I will never use Michael Evangelista again"

Jim L on November 2025


"Work was started as soon as weather permitted. All seems fine, and the installer seemed very proud of his crew's work."

George F on June 2018

CMV Contracting provides expert reliable crews and a project coordinator from bid to completion to ensure your remodeling project is runs smooth and efficiently. DBA - HBH Construction.

"Work was started as soon as weather permitted. All seems fine, and the installer seemed very proud of his crew's work."

George F on June 2018


"Jeff has been very punctual and does a good job snow plowing."

Brian B on February 2021

In my business the top 2 priorities are the customers home and safety. I make sure that to the best of my abilities every situation is handled in a prompt manner.

"Jeff has been very punctual and does a good job snow plowing."

Brian B on February 2021


Bellamy Construction Co

4.91(
22
)

Bellamy Construction Co

4.91(
22
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Bellamy Construction, formerly Bellamy and Sons Construction is a family owned business that provides a wide range of home improvement/repair services to Capital Region homeowners.

Bellamy Construction, formerly Bellamy and Sons Construction is a family owned business that provides a wide range of home improvement/repair services to Capital Region homeowners.

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Home Building questions, answered by experts

Home additions cost between $22,000 and $84,000, with the average addition totaling $51,000. Project costs can vary greatly depending on the type of addition and the required work to complete it. Homeowners can expect to pay between $80 and $210 per square foot for an addition. Conversions of existing space will sit toward the lower end of that range, while bump-outs and new construction add-ons will push toward the higher end.

You can’t add home addition costs to an existing mortgage, but you can include them in a new mortgage if you take out a rehab loan. Rehab loans—FHA-backed 203k loans and conventional rehab loans—are for more than the value of a property, and the excess is meant to cover the cost of a renovation or home addition.

Yes, there are a few different ways you can finance new construction. Some lenders offer new construction loans that cover the building costs and then convert to a standard mortgage once construction is complete. Some custom homebuilders also offer financing options that only require a down payment before you begin the building process. Construction loans are possible, as well, although they typically only cover the building process, and you’ll need to pay in full once the house is completed.

Since building up tends to provide useful bedrooms and other extra spaces without the need to do a lot of foundation work and cut into your yard, second stories tend to have better ROI—up to 65%—than other kinds of additions. But ROI will depend on the type of rooms you are planning and what your current house has. It’s not a very reliable way to judge the success or failure of a project, so consider other factors as well.

Most contractors aim for about a 20% profit on a job, leaving themselves room for unexpected expenses or delays. After accounting for materials, labor, and insurance, the profit margin for most contractors is between 10% and 20%. Fluctuating costs of materials and labor affect the ultimate percentage.

The Duanesburg, NY homeowners’ guide to home building services

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