Fontana ADU BuilderHome builder in Fontana, CA

Fontana ADU Builder is ranked #10 of 492 home builders in Fontana by CR Score, with 57 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

Fontana ADU Builder is open 7 days a week. Its listed hours are Monday to Sunday, 7 AM – 9 PM. On Saturdays it is open 7 AM to 9 PM, and on Sundays 7 AM to 9 PM. Hours come from the business listing; holiday hours may differ.

Serves Fontana and 11 towns within 40 miles: Bloomington, Rialto, Muscoy, Sunnyslope, Glen Avon, Colton, Rubidoux, San Bernardino, Rancho Cucamonga, Grand Terrace and Jurupa Valley. The list is based on the business's location and the usual service radius for home building. Confirm your address is covered when you call.

Fontana ADU Builder has a rating of 5.0 from 8 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call Fontana ADU Builder on (949) 267-7957. The business is at 16689 Foothill Blvd, Fontana, CA 92335. Ask for a written estimate before any work starts.