Good Neighbor Construction
5.0 (25 Google reviews)
✔ CSLB License Verified #11344351255 W Colton Ave #589, Redlands, CA 92374
Serves Highland · based in RedlandsRemodels & additionsHome builderGeneral contractor
ADU Builders in Highland, CA
8 builders · ranked by Google rating and review volume · 3 CSLB license verified
★ Featured ADU builder
Featured ADU builder — this spot is open
Put your ADU company at the top of this page, in front of Highland homeowners who are comparing builders right now. Includes your logo, project photos, a direct call button and a link to your website.
Located in San Bernardino County, Highland had a 2020 Census population of about 56,999. We found 8 ADU builders and contractors that show up for Highland homeowners on Google Maps, most of them based in nearby communities. Their average Google rating is 4.9 stars. 4 market themselves specifically as ADU builders. 3 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are Good Neighbor Construction, J.Peace Builders Inc and Doza Build Inc - ADU Contractor.
Lots across San Bernardino County are often larger and land costs lower, which makes detached and prefab ADUs attractive. Foothill and mountain areas can face wildfire-zone construction requirements.
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J.Peace Builders Inc
5.0 (24 Google reviews)
✔ CSLB License Verified #1073588414 E Rialto Ave STE B, San Bernardino, CA 92408
Serves Highland · based in San BernardinoGeneral contractor
Doza Build Inc - ADU Contractor
5.0 (7 Google reviews)
1680 Camino Real c, San Bernardino, CA 92408
Serves Highland · based in San BernardinoADU specialistRemodels & additionsGeneral contractor
San Bernardino ADU Contractors
5.0 (3 Google reviews)
303 N D St, San Bernardino, CA 92401
Serves Highland · based in San BernardinoADU specialistHome builder
USModular, Inc.
4.6 (39 Google reviews)
579 W County Line Rd, Calimesa, CA 92320
Serves Highland · based in CalimesaADU specialistPrefab / modularHome builderGeneral contractor
MyADU4Less
5.0 (1 Google reviews)
579 W County Line Rd, Calimesa, CA 92320
Serves Highland · based in CalimesaADU specialist
House to Home Remodeling Inc
4.5 (86 Google reviews)
✔ CSLB License Verified #1129918225 E Airport Dr #240, San Bernardino, CA 92408
Serves Highland · based in San BernardinoRemodels & additionsGeneral contractor
Hidden Peak Homes
No rating yet (0 Google reviews)
473 E Carnegie Dr #200, San Bernardino, CA 92408
Serves Highland · based in San BernardinoHome builderGeneral contractor
Permits and pre-approved plans in Highland
ADU permits in Highland go through the city's building or planning department. Under AB 1332, every California city and county had to set up a pre-approved ADU plan program by January 1, 2025, so ask Highland whether it has approved plans you can use. See our pre-approved plans guide and California ADU law summary.
Planning an ADU in Highland? Start here
Highland ADU FAQ
How many ADU builders serve Highland?
Our directory lists 8 ADU builders and contractors that appear for Highland on Google Maps, including companies based in nearby San Bernardino County communities.
Do I need a permit to build an ADU in Highland?
Yes. ADUs need a building permit from the City of Highland, which must approve or deny a complete application within 60 days under state law. Many cities also offer pre-approved plans that speed up review.
How much does an ADU cost in Highland?
Most Southern California detached ADUs land around $350 to $550 per square foot all-in, garage conversions around $200 to $350, and JADUs around $50,000 to $150,000. Use our ADU cost estimator and get three itemized bids.
How are Highland ADU builders ranked here?
By Google rating weighted by the number of reviews, so a 4.9 with 200 reviews ranks above a 5.0 with 3. Featured placements are clearly labeled and don't affect the organic ranking.