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Top-Rated Home builders in Johnstown - Updated Nov 2026

Avatar for C & J Custom Builders Inc
C & J Custom Builders Inc
4.8(
25
)
Find a Custom Home Builder

Serving Johnstown, NY and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"C & J Custom Builders built a beautiful addition on our home and remodeled the existing structure. We were very happy with the quality of their work and the professionalism they exhibited throughout the entire process - from bid to move-in. They were excellent to work with and we highly recommend them."
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+36

Response time2 days
Response rate100%
Recommended by100%of homeowners
Avatar for Timberstone Woodworking LLC
Timberstone Woodworking LLC
5.0(
1
)
Shelter or Outbuilding - Build

Serving Johnstown, NY and surrounding areas

Approved

In business since 2023

Free estimates

Small jobs welcome

"James and his crew are great to work with and take pride in their work. They show up on time and work hard all day. They can do everything from framing to siding, roofing, window/door installation and interior finishes."
Post and beam lean-to
Post and beam lean-to
Garden shed
Pavillion
Pavillion

+1

Response time4 hrs
S.J. Quinlan Construction
2.3(
49
)
Find a Custom Home BuilderShelter or Outbuilding - Build

Serving Johnstown, NY and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Steve is very knowable of every aspect of the construction process (design, excavation, foundations & framing). When a crew is needed Steve is the conductor and the crew is very skilled at providing quality performance. When the going gets tough he keeps going by accepting the challenge and works it through to the end. Only complaint, coordinating his work schedule with me. I do not always know when I will see him again. However, if I call he always answers. I plan on using him again on my next project."
Foundation
Second floor finish work
Exterior
First floor finished
First floor loft

+3

Response time7 hrs
Recommended by100%of homeowners
Avatar for T & T Construction
T & T Construction
4.8(
15
)
Shelter or Outbuilding - Build

Serving Johnstown, NY and surrounding areas

In business since 2002

Free estimates

Emergency services offered

"I'd had a evaluation and estimate from Exterior Solutions and after then not having received a call back or return email (the inspector had also pulled a loose single from my roof leaving it exposed) I went back to Angie's List. T&T came up, noting it had a good rating, I called. Dave and a colleague arrived, evaluated the roof and offered to repair it free of charge. Still blown away by this. A member of their crew arrived yesterday and did this; apparently they've ended up correcting other work done by Exterior Solutions and they only wanted the good will rating for the work. Incredibly nice and very professional."
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+2

Recommended by91%of homeowners
G & A Custom Homes
4.0(
68
)
Find a Custom Home BuilderFind a Modular Home BuilderShelter or Outbuilding - Build

Serving Johnstown, NY and surrounding areas

In business since 2004

Free estimates

Emergency services offered

"We had our roof replaced by G&A Custom Homes last week. It looks like they have done a decent job. Only time will tell about the longevity of the materials and workmanship. They have used Owens Corning material and took 3 days to complete. There's a 50 years warranty for the materials and and a 1 time new owner transfer warranty.    
They looked sincere, and new their job.
"
Recommended by88%of homeowners
Avatar for Mastaba Roofing
Mastaba Roofing
4.6(
33
)
Find a Custom Home BuilderFind a Modular Home BuilderShelter or Outbuilding - Build

Serving Johnstown, NY and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"I have a 2 story home.  He was concerned about knocking the icicles down because we have very large french doors, right underneath the icicles.  He asked if we had any leaking and I told him no.  He told me use a roof rake and take the snow down and out from behind the eaves.  He gave us a free estimate.  I appreciated his honesty and safety concerns, regarding out home."
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Recommended by92%of homeowners
PPF Seamless & Home Improvement, Inc.
4.8(
35
)
Shelter or Outbuilding - Build

Serving Johnstown, NY and surrounding areas

In business since 2012

Free estimates

Credit card accepted

"Everything went great. Phone calls were answered or returned promptly. He came down to my house early on a Saturday morning to give me an estimate. He was busy but able to get me an installation date pretty quickly. I was at work that day but stopped by on my lunch break and everything was done. My retired neighbor told me a few days later that he watched them work and said they did  a great job. Very friendly, courteous and professional service. I definitely would recommend!
"
Recommended by96%of homeowners
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Home Building FAQs, answered by experts

Yes, you can finance cottage construction through several options. Construction loans provide funds in stages as work progresses, while home equity loans or lines of credit are available if you have existing property. Some lenders offer a combined construction and permanent mortgage. Always review loan terms and payment milestones before committing.

The longest part of building a custom home is the design phase. It takes multiple professionals and a ton of work to bring your vision for your dream home to life while sticking to a homebuilding budget and also ensuring everything is built to code. Expect the design phase for a custom home build to take six months to a year.

A construction-to-permanent loan is the most common type of mortgage used to finance a house teardown and rebuild. These loans include financing for construction costs and convert to a long-term mortgage once construction is complete. Check the terms of the loan closely before beginning work—there are often restrictions requiring you to use licensed contractors for all work.

Ultimately, a work warranty is only as reliable as the contractor you’ve hired. That’s why trust and reputation are such important factors, in addition to having a solid contract and confirming appropriate licensing, insurance, and bonding. When looking for a contractor, it’s a good idea to read online reviews and ratings to see what kind of experience past customers have had. Issues with your contractor can make for an unsatisfying renovation process, but a reliable contractor can make the process go as smoothly as possible.

Yes, modular homes offer a wide range of customization options for layout, finishes, and features.

The Johnstown, NY homeowners’ guide to home building services

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