Custom One Builders, Inc.

home builder

About us

Designing and building top quality, energy efficient, "green", clear span custom homes, additions and decks in Northern Illinois and Southern Wisconsin since 1955. We are the only truly, "No Cost One Stop Shop", for a free custom home, addition or deck, designed to your specifications and budget, then drawn to a ΒΌ" scale plan and priced out with a very detailed printed bid (that you can take to the Bank), at no cost or obligation. Licensed, Bonded, Insured ($2,000,000.00). 10 year warranty on everything we supply and install. Please give Stephen Mathews (Master Designer and Builder), President of Custom One Builders, Inc. a call on his cell phone at 815-482-7652. You will not be disappointed or sorry and you will receive a lot of very useful information to help you decide how much home you can build or if building a home is best for you, all at no cost or obligations! Email: customonebuilders@gmail.com / Web site: www.customonebuilders.com

Business highlights

70 years of trusted experience

Amenities

Free Estimates
Yes
Warranties
Yes


Accepted payment methods

CreditCard

Reviews

4.16 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
67%
4
17%
3
0%
2
0%
1
17%


Rating CategoryRating out of 5
quality
4.4
value
4.3
responsiveness
4.2
Showing 1-6 of 6 reviews

Julie M.
03/2025
5.0
Our family had the pleasure of working with Stephen Matthews and Custom One Builders. We started our project as a remodel which soon turned into a complete rebuild as we found that in our old house there were many foundation issues preventing us from increasing our house size as needed for our large family. Stephen, his sons, and his team of contractors made the entire process much less overwhelming. Custom One Builders provided excellent service, quality product, constant communication, and a fair price. We highly recommend Custom One Builders and should the need ever arise again, we will definitely head straight to Custom One Builders.
Rating CategoryRating out of 5
$1,110,000

Angie D.
11/2023
5.0
Steve Mathews has completed many jobs at my home over the years. He is highly intelligent, talented, honest, and just a great person to work with. He completes each job as an experienced professional who truly cares about his clients. His expertise extends from the initial design phase to adding all of the finishing touches. The jobs were all completed on time and within budgets. I highly recommend Steve and his company, Custom One Builders in Wonder Lake, IL.

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

Mike C.
09/2022
5.0
This guy, Steve, maximized beauty and utility while minimizing costs. Definitely recommend.

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro
$339,000

Rob K.
05/2020
0.5
Have all your contracts checked over by a lawyer before signing anything with them. Lack of project leadership made the job last longer and cost much more than needed. Many Mondays of the project no one showed up to work.

Rating CategoryRating out of 5
quality
3.0
value
1.5
responsiveness
1.0


Gerald T.
01/2020
4.0
{No comment provided}

Rating CategoryRating out of 5
quality
4.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

Lee G.
01/2020
5.0
{No comment provided}

Rating CategoryRating out of 5
quality
5.0
value
5.0
responsiveness
5.0

Yes, I recommend this pro

    Contact information

    7314 Hancock Dr #1, Wonder Lake, IL 60097

    http://www.custom1builders.com

    Service hours

    Monday:
    7:00 AM - 7:00 PM
    Tuesday:
    7:00 AM - 7:00 PM
    Wednesday:
    7:00 AM - 7:00 PM
    Thursday:
    7:00 AM - 7:00 PM
    Friday:
    7:00 AM - 7:00 PM
    Saturday:
    7:00 AM - 7:00 PM
    Sunday:
    7:00 AM - 7:00 PM

    Service Categories

    home builder

    FAQ

    Monday: 7:00 AM - 7:00 PM

    Tuesday: 7:00 AM - 7:00 PM

    Wednesday: 7:00 AM - 7:00 PM

    Thursday: 7:00 AM - 7:00 PM

    Friday: 7:00 AM - 7:00 PM

    Saturday: 7:00 AM - 7:00 PM

    Sunday: 7:00 AM - 7:00 PM

    Custom One Builders, Inc. accepts the following forms of payment: CreditCard
    Yes, Custom One Builders, Inc. offers free project estimates.
    No, Custom One Builders, Inc. does not offer eco-friendly accreditations.
    No, Custom One Builders, Inc. does not offer a senior discount.
    No, Custom One Builders, Inc. does not offer emergency services.
    Yes, Custom One Builders, Inc. offers warranties.

    Contact information

    7314 Hancock Dr #1, Wonder Lake, IL 60097

    http://www.custom1builders.com

    Service hours

    Monday:
    7:00 AM - 7:00 PM
    Tuesday:
    7:00 AM - 7:00 PM
    Wednesday:
    7:00 AM - 7:00 PM
    Thursday:
    7:00 AM - 7:00 PM
    Friday:
    7:00 AM - 7:00 PM
    Saturday:
    7:00 AM - 7:00 PM
    Sunday:
    7:00 AM - 7:00 PM