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ADU Builders in Adelanto, CA

14 builders · ranked by Google rating and review volume · 6 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 Adelanto homeowners who are comparing builders right now. Includes your logo, project photos, a direct call button and a link to your website.

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Located in San Bernardino County, Adelanto had a 2020 Census population of about 38,046. We found 14 ADU builders and contractors that show up for Adelanto homeowners on Google Maps, most of them based in nearby communities. Their average Google rating is 4.9 stars. 1 market themselves specifically as ADU builders. 6 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are PA Design Associates, Silver Spur Construction, Inc. and Mystery Construction Inc.

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.

#3

Mystery Construction Inc

5.0 (18 Google reviews)
✔ CSLB License Verified #1062614

16805 Central Rd, Apple Valley, CA 92307

Serves Adelanto · based in Apple Valley
General contractor
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#7

Deserada Homes

4.7 (26 Google reviews)
✔ CSLB License Verified #514167

14800 Apple Valley Rd, Apple Valley, CA 92307

Serves Adelanto · based in Apple Valley
Home builder
CallWebsiteView profile

Permits and pre-approved plans in Adelanto

ADU permits in Adelanto 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 Adelanto whether it has approved plans you can use. See our pre-approved plans guide and California ADU law summary.

Planning an ADU in Adelanto? Start here

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Adelanto ADU FAQ

How many ADU builders serve Adelanto?

Our directory lists 14 ADU builders and contractors that appear for Adelanto on Google Maps, including companies based in nearby San Bernardino County communities.

Do I need a permit to build an ADU in Adelanto?

Yes. ADUs need a building permit from the City of Adelanto, 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 Adelanto?

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 Adelanto 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.

Nearby cities in San Bernardino County

San Bernardino 51Fontana 83Ontario 54Rancho Cucamonga 31Victorville 16Rialto 56Hesperia 18Chino 49Upland 27Chino Hills 117Apple Valley 17Redlands 20
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