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ADU Builders in Temecula, CA

30 builders · ranked by Google rating and review volume · 18 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 Temecula 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 Riverside County, Temecula had a 2020 Census population of about 110,003. We found 30 ADU builders and contractors that show up for Temecula homeowners on Google Maps, 12 of them based in the city itself. Their average Google rating is 4.9 stars. 2 market themselves specifically as ADU builders. 18 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are Haven Home Remodeling & Roofing, Lifescape Builders Inc and Box Construction.

Inland lots in Riverside County tend to be larger, which suits detached ADUs and multigenerational layouts. Summer heat makes insulation, roof design and HVAC sizing worth discussing with your builder.

#3

Box Construction

5.0 (64 Google reviews)
✔ CSLB License Verified #1025899

30906 Wealth St, Murrieta, CA 92563

Serves Temecula · based in Murrieta
Remodels & additionsHome builderGeneral contractor
CallWebsiteView profile
#4

DHI Builds INC

5.0 (43 Google reviews)
✔ CSLB License Verified #981551

41725 Elm St #302, Murrieta, CA 92562

Serves Temecula · based in Murrieta
Remodels & additions
CallWebsiteView profile
#5

Capital Construction Inc.

5.0 (42 Google reviews)
✔ CSLB License Verified #941031

41558 Eastman Dr Unit D, Murrieta, CA 92562

Serves Temecula · based in Murrieta
Remodels & additionsHome builderGeneral contractor
CallWebsiteView profile
#7

California Home Center

4.9 (196 Google reviews)
✔ CSLB License Verified #1090079

41593 Winchester Rd Suite 200, Temecula, CA 92590

Based in Temecula
Remodels & additionsHome builderGeneral contractor
CallWebsiteView profile
#8

Woollard Construction

5.0 (22 Google reviews)
✔ CSLB License Verified #842038

Service-area business · Temecula

Serves Temecula · based in Temecula
Remodels & additionsHome builderGeneral contractor
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#22

ANC CONSTRUCTION

5.0 (5 Google reviews)
✔ CSLB License Verified #891873

31938 Temecula Pkwy Ste A 392, Temecula, CA 92592

Based in Temecula
Remodels & additionsHome builderGeneral contractor
CallWebsiteView profile
#23

BLD Builders, Inc.

5.0 (4 Google reviews)
✔ CSLB License Verified #1025606

25695 Jefferson Ave #16, Murrieta, CA 92562

Serves Temecula · based in Murrieta
Remodels & additionsGeneral contractor
CallWebsiteView profile
#28

Youngren Construction

4.6 (28 Google reviews)
✔ CSLB License Verified #784656

220 Ohearn Rd, Fallbrook, CA 92028

Serves Temecula · based in Fallbrook
Remodels & additionsHome builderGeneral contractor
CallWebsiteView profile

Permits and pre-approved plans in Temecula

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

Planning an ADU in Temecula? Start here

How to Legalize an Unpermitted ADU in California (AB 2533)SB 9 vs ADU: Lot Splits, Duplexes and Backyard Units in CaliforniaHow Much Does It Cost to Build an ADU in Southern California?How to Choose an ADU Builder in Southern California: 15-Point Checklist

All ADU guides →

Temecula ADU FAQ

How many ADU builders serve Temecula?

Our directory lists 30 ADU builders and contractors that appear for Temecula on Google Maps, including companies based in nearby Riverside County communities.

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

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

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 Temecula 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 Riverside County

Riverside 54Moreno Valley 8Corona 32Murrieta 32Jurupa Valley 43Menifee 19Hemet 13Indio 4Perris 65Lake Elsinore 20Eastvale 26San Jacinto 11
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