United Builders

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13238 White Fir Ct
Rancho Cucamonga, CA 91739
+1 (909) 969-8976
https://unitedbuilders.info

United Builders, based in Rancho Cucamonga, CA, is a family-owned general contractor specializing in the installation of energy-efficient windows and doors. With over 19 years of experience, they distinguish themselves by eliminating high advertising costs and sales commissions, allowing them to offer competitive pricing without compromising on quality.

The company prides itself on providing exceptional customer service and maintaining a strong commitment to excellence in every project. Their team of skilled master carpenters is dedicated to delivering consistent, high-quality installations, backed by nearly 500 positive reviews and a focus on customer referrals.

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Reviews

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4.5169 reviews
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Megan C.
10/29/2025

Professional work, responsive team, family owned. We live near a railroad track and these windows have made me forget there is a train nearby!!! Our energy bill has lowered significantly as well....

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Lu V.
12/17/2025

United came in and installed 10 windows and a sliding glass door in four hours. I'm so happy with my new home improvement investment!

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Louise m.
11/21/2025

Love your product (windows) are beautiful! Very high quality! Great service provided always available to answer any questions! Good value had gotten other prices !

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Cynthia H.
8/18/2025

Service was great from the estimate down to the installation. Window quality is amazing and the look of our house has been elevated 100%

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Russ J.
5/27/2025

I had several quotes and this company came in with the best price and the quality of the installation was EXCELLENT. I can not more highly recommend this company for new windows for your house.

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