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Top-Rated Custom home builders in Williamson - Updated Nov 2026

Avatar for DeRisio Construction Inc
DeRisio Construction Inc
4.7(
47
)
Find a Custom Home Builder

Serving Williamson, NY and surrounding areas

In business since 1999

Free estimates

Credit card accepted

"Project was well timed and progressed seamlessly through various stages - demolition, framing, installation, finish carpentry and painting so that we lacked access to the second floor for only 1 night. Planning including multiple house calls for precise measurements to maximize dimensions, selecting style options and consulting with lumberyard for stair dimensions and details. The crew was experienced, took pride in their work, and did not skimp on quality or details, independent of time."
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Gold Winner
Silver Winner

+11

Recommended by95%of homeowners
Avatar for Choice Home Warranty
Choice Home Warranty
4.0(
5,678
)
Find a Custom Home Builder

Serving Williamson, NY and surrounding areas

In business since 2008

Emergency services offered

Credit card accepted

"Loay Jabbar provided the information I needed quickly and clearly. I immediately signed up for full coverages for our two homes because of the discounts offered and because of the quality of service that Loay is saying and promising Choice Home Warranty provides to its customers. I have bad experiences with other home warranty companies so I am hoping I found the best company that would deliver the best service."
Recommended by81%of homeowners
Avatar for JEC Construction Inc
JEC Construction Inc
4.4(
17
)
Find a Custom Home Builder

Serving Williamson, NY and surrounding areas

In business since 1979

Free estimates

Emergency services offered

"They did an excellent job.  The exterior work was performed a couple of weeks ago, when the weather was nicer, and it was done in a couple of days. (I should note that they have not finished it, to wait until spring to tidy it up and do finishing work on it.)  We have had rain since that work was done, and the family room was dry.  No musty or dampness to the room at all anymore.
The interior work went really well too. He estimated about 3 days, it took 4.  The floor is a bit springy, due to extra insulation and padding being put down underneath it, which is very nice for a floor on a slab. It came out looking excellent.
Dave and his workers were very respectful of us and our home, and enjoyed talking with our 5 year old son who was super interested in watching them.  When it was possible (and safe) they let him watch, and chatted with him.  The guys really couldn't have been nicer.  One day, I was headed to a garage to get my car's starter motor replaced, and one of the guys helped me get it started. He insisted to help me (by going down on the ground and hitting my starter motor with a hammer, which did get it working) even though I tried to get him to not.  
They also put the laminate on a few steps leading down to the family room.  I was unsure about how they were going to do this, and at first was unsure about their suggested solution, but in the end, I really like the look of what they did.
It's been a few days since they finished, I did have to go over some bits here and there, along with the laminate floor to pick up any settled construction dust, which I expected to do.  We've moved furniture back into the room, and it's easily the nicest room in the house now."
Kitchen & Bath Remodeling
Kitchen & Bath Remodeling
Attic Renovations
Siding and Exterior Restoration
Flooring & Windows

+9

Recommended by86%of homeowners
Avatar for WPP Building and Design
WPP Building and Design
3.3(
12
)
Find a Custom Home Builder

Serving Williamson, NY and surrounding areas

In business since 2021

Credit card accepted

"They did an excellent job with painting the interior of our house. We had a really high wall in the stairway, and they had no problem getting to the top of it and did a great job! Would hire them again!"
Painting - Interior Project
Remodeling - Kitchen & Bathroom Project
Remodeling - Kitchen & Bathroom Project
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+9

Response time1 day
Response rate100%
Recommended by58%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Find a Custom Home Builder

Serving Williamson, NY and surrounding areas

In business since 1971

Credit card accepted

"The technician did an excellent job. It did take a while to get the repair finished, but that was due to Bertazzoni delivering the parts. I have had multiple problems with this particular appliance. My range now works better than it did when new, but I have a feeling that even if I have continuing problems with it, American Home Shield will just repair rather than replace due to the cost of the range. By the way, I'm not exactly sure of the date of the repair."
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Additional Photos

+2

Recommended by65%of homeowners
Avatar for K+ Karpentry LLC
K+ Karpentry LLC
3.2(
28
)
Find a Custom Home Builder

Serving Williamson, NY and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"details above, we are still waiting for installation but have used K & K for other jobs within the home, so I trust them and they do good work.  We plan on using them to install wood flooring in the fall.
"
Before
After
WATTS ADDITION
AFTER
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+5

Recommended by72%of homeowners
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Custom Home Builders FAQs, answered by experts

It is a good idea to check in with your local city and state regulations before committing to building a shipping container home no matter where you live. This concept is pretty new across the country, and many places won’t let you build one.

The International Code Council (ICC) offers guidelines for home builders on the safe use of ISO intermodal shipping containers repurposed as building components, which can be helpful to review when planning or designing a shipping container home.

The primary reason homes have crawl spaces is so the foundation can reach down below the frost line to avoid dangerous soil movement and structural damage when the ground freezes. They’re more popular in colder climates where the ground freezes down to a few feet, and slabs are most popular in warmer areas where there is no frost line. Crawl spaces also provide a space for utility lines to run where they’re at less of a risk of freezing.

One of the best ways to negotiate with a homebuilder is to forgo price reductions. Instead, negotiate over upgrades and incentives, as many builders are more willing to go down that road than to decrease their own fee. Even if they were willing to take a cut, a reputable homebuilder often knows their worth, so a willingness to negotiate could be a red flag. Beyond that, builders are typically willing to negotiate closing costs instead of offering a discount on the base price.

Buying a house is easier than building one from scratch. Buying an existing home is almost always faster, even if you need to make renovations once you move in. When you hire the right team to build a home, they will simplify the design and build phases so that there is little guesswork throughout the process, but building new construction will almost always take longer than buying an existing home.

Modular homes can go up or down in value depending on a few factors. In areas where real estate is appreciating, the value of modular homes is likely to increase, and vice versa. Additionally, the value of modular homes depends partially on the area. In cities where every other home is stick-built, modular homes might be considered a functional obsolescence, in which case they could be less desirable and go down in value. In either case, though, modular homes can still be a good investment, especially since they provide housing at a lower upfront cost.

The Williamson, NY homeowners’ guide to custom home building

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