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

Avatar for American Custom Homes
American Custom Homes
5.0(
3
)
Find a Custom Home Builder

Serving Assumption, IL and surrounding areas

In business since 2000

Emergency services offered

Credit card accepted

"I would like to start off with precise, warm welcome and highly responsible of what they are doing. They really know what they are doing and from start from start to end it has been a great project with new experiences and great craftsmanship. Thanks again guys and i hope to have more work for you soon...
"
Stone Travertine
12x6 Travertine hand cut
Complete Steamer
Recommended by100%of homeowners
Avatar for Bigfoot Builders Inc.
Bigfoot Builders Inc.
3.4(
5
)
Find a Custom Home Builder

Serving Assumption, IL and surrounding areas

In business since 2018

Free estimates

Credit card accepted

Bigfoot Builders is a professional residential remodeling company. We specialize in exterior solutions such as deck building and renovating, windows/doors/and siding. We specialize in interior solutions such as basement finishing, kitchen and bath renovations, as well as general remodeling.

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+13

Recommended by75%of homeowners
Sherwood Construction Services
New to Angi
Find a Custom Home Builder

Serving Assumption, IL and surrounding areas

In business since 2002

Emergency services offered

Credit card accepted

We are a Full Service Construction Company. Since 2000, our construction and remodeling company has offered a wide range of improvement services for residential, commercial, and industrial clients throughout the Chicagoland area.\nWhether you are wanting a Full Remodel or a Refacing we specialize in it all. \nGive your old tub a new lease on life with bathtub reglazing and repair by Sherwood Construction Services. We perform color changes and refurbish worn or fading bathtubs for far less than a new replacement.\nUpgrade your counters and cabinets affordably with our countertop resurfacing and cabinet refacing services. We offer a wide selection of materials and finishes to give your kitchen or bath a completely new look.\nransform your existing bathroom into a stylish and relaxing oasis. Our professionals provide comprehensive bathroom remodeling, featuring modern design that is tailored to your personal style and preferences.

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+29

Custom Home Builders FAQs, answered by experts

Modular homes are more affordable than stick-built homes if you keep quality and square footage equal. The cost to build a home averages $323,000, while average modular home prices sit at {AvgCost}. If you’re looking for custom or luxury options, a traditional custom home costs $825,000, while a high-end modular home costs $600,000, on average.

The early stages of building a house are harder than the later stages; laying the foundation and framing the house are two of the most challenging steps. However, it varies for everyone. Some people have difficulty installing HVAC, plumbing, and electricity, while others find it harder to plan the house and secure the necessary permits. 

How long it takes to build a custom home or rebuild a home after a disaster varies depending on many factors, but averages between seven and 14 months. Smaller homes or homes that don’t need a re-poured foundation may take less time to build than larger homes or homes without an existing foundation. Material availability, contractor schedules, and permit and inspection timelines can all affect how long your house takes to build.

Modular homes last an average of between 50 and 75 years, and high-quality modular homes can last for 100 years with proper maintenance. For comparison, a standard home lasts 50 to 100 years and can push to 150 or longer with good maintenance. Modular homes provide better long-term value in that they are significantly more affordable and can last almost as long, but some buyers are wary of modular home longevity, so the actual value if you sell could be lower.

While it’s never too early to start planning for a major home improvement project like a home addition, give yourself at least a month or two to plan and design your addition, find a contractor, and get the permits in order. For larger projects like a second-story addition that require designing with an architect, plan on three to four months of preparation.

The Assumption, IL homeowners’ guide to custom home building

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