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ADU Builders in Anaheim, CA

114 builders ยท ranked by Google rating and review volume ยท 49 CSLB license verified

โ˜… Featured ADU builder

Featured ADU builder โ€” this spot is open

Put your ADU company at the top of this page, in front of Anaheim 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 Orange County, Anaheim had a 2020 Census population of about 346,824. We found 114 ADU builders and contractors that show up for Anaheim homeowners on Google Maps, 12 of them based in the city itself. Their average Google rating is 4.8 stars. 70 market themselves specifically as ADU builders, and 8 mention garage conversions. 49 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are John Christopher Construction, Inc., DYM Builders Group and OC Builders Group.

In Orange County, HOA and design-standard questions come up often. State law voids CC&Rs that ban ADUs, but HOAs can still apply reasonable objective standards. Compact lots make attached units and garage conversions popular.

#3

OC Builders Group

5.0 (76 Google reviews)
โœ” CSLB License Verified #1052090

600 W Santa Ana Blvd Ste 114-499, Santa Ana, CA 92701

Serves Anaheim ยท based in Santa Ana
General contractor
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#6

ADU West Coast

5.0 (37 Google reviews)
โœ” CSLB License Verified #1064076

13001 Seal Beach Blvd #210, Seal Beach, CA 90740

Serves Anaheim ยท based in Seal Beach
ADU specialistHome builderGeneral contractor
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#7

Serhal Builders

5.0 (30 Google reviews)
โœ” CSLB License Verified #1074208

1328 E Orangethorpe Ave, Fullerton, CA 92831

Serves Anaheim ยท based in Fullerton
Remodels & additionsGeneral contractor
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#22

OC Quality Builders

4.9 (30 Google reviews)
โœ” CSLB License Verified #1148925

22981 Triton Way Unit C, Laguna Hills, CA 92653

Serves Anaheim ยท based in Laguna Hills
Remodels & additionsHome builderGeneral contractor
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#24

Ga Design Build

4.9 (29 Google reviews)

16226 Clark Ave, Bellflower, CA 90706

Serves Anaheim ยท based in Bellflower
Design-buildRemodels & additionsHome builderGeneral contractor
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#25

Vision ADU

5.0 (14 Google reviews)
โœ” CSLB License Verified #1115842

1440 S State College Blvd #6h, Anaheim, CA 92806

Based in Anaheim
ADU specialist
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#44

ADU Certified

5.0 (8 Google reviews)
โœ” CSLB License Verified #1041789

4201 Long Beach Blvd #422, Long Beach, CA 90807

Serves Anaheim ยท based in Long Beach
ADU specialistRemodels & additionsHome builderGeneral contractor
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#48

ADU Homes, Inc.

4.9 (11 Google reviews)
โœ” CSLB License Verified #1098802

245 E 3rd St, Long Beach, CA 90802

Serves Anaheim ยท based in Long Beach
ADU specialistHome builder
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#50

NewGen ADU Builders

5.0 (7 Google reviews)
โœ” CSLB License Verified #1087166

18000 Studebaker Rd #700, Cerritos, CA 90703

Serves Anaheim ยท based in Cerritos
ADU specialistHome builder
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#57

The ADU Company

5.0 (6 Google reviews)
โœ” CSLB License Verified #1118354

504 E Navilla Pl, Covina, CA 91723

Serves Anaheim ยท based in Covina
ADU specialistRemodels & additionsHome builderGeneral contractor
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#62

XactBuilt ADU & Construction

5.0 (4 Google reviews)
โœ” CSLB License Verified #1092832

11721 Whittier Blvd suite 170, Whittier, CA 90601

Serves Anaheim ยท based in Whittier
ADU specialistRemodels & additionsHome builderGeneral contractor
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#65

Dv construction

5.0 (4 Google reviews)
โœ” CSLB License Verified #1116638

10055 Lampson Ave, Garden Grove, CA 92840

Serves Anaheim ยท based in Garden Grove
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#66

The ADU Pro

4.7 (15 Google reviews)
โœ” CSLB License Verified #1128679

15338 Central Ave, Chino, CA 91710

Serves Anaheim ยท based in Chino
ADU specialistHome builderGeneral contractor
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#67

Plus Home ADU

5.0 (3 Google reviews)
โœ” CSLB License Verified #1062063

Service-area business ยท Aliso Viejo

Serves Anaheim ยท based in Aliso Viejo
ADU specialistRemodels & additionsHome builderGeneral contractor
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#80

A.D.U. Builders

5.0 (2 Google reviews)
โœ” CSLB License Verified #1080549

217 E Victoria Ave, Montebello, CA 90640

Serves Anaheim ยท based in Montebello
ADU specialist
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#82

Pelican ADU Builders

5.0 (2 Google reviews)
โœ” CSLB License Verified #1106515

1924 Barranca Pkwy Unit 1, Irvine, CA 92606

Serves Anaheim ยท based in Irvine
ADU specialistGeneral contractor
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#88

KoBolt Construction

4.6 (11 Google reviews)
โœ” CSLB License Verified #1024785

406 E Commonwealth Ave #3, Fullerton, CA 92832

Serves Anaheim ยท based in Fullerton
Remodels & additionsHome builderGeneral contractor
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#89

ALIGCUS ADU

4.6 (10 Google reviews)

1841 S San Gabriel Blvd Unit D, San Gabriel, CA 91776

Serves Anaheim ยท based in San Gabriel
ADU specialist
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#96

Apex Construction

3.7 (6 Google reviews)
โœ” CSLB License Verified #1020301

Service-area business ยท La Habra

Serves Anaheim ยท based in La Habra
ADU specialistRemodels & additionsGeneral contractor
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#97

CalHome ADU

1.0 (1 Google reviews)

2540 Fulton Rd, Pomona, CA 91767

Serves Anaheim ยท based in Pomona
ADU specialistGeneral contractor
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#101

Buena Park ADU

No rating yet (0 Google reviews)

6925 Aragon Cir, Buena Park, CA 90620

Serves Anaheim ยท based in Buena Park
ADU specialistHome builder
CallView profile
#103

The ADU Builder

No rating yet (0 Google reviews)
โœ” CSLB License Verified #1144893

3646 Long Beach Blvd, Long Beach, CA 90807

Serves Anaheim ยท based in Long Beach
ADU specialist
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#104

ADU MAXX

No rating yet (0 Google reviews)

4401 Atlantic Ave #200, Long Beach, CA 90807

Serves Anaheim ยท based in Long Beach
ADU specialist
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#106

aducustomhomes

No rating yet (0 Google reviews)
โœ” CSLB License Verified #530033

5199 CA-1, Long Beach, CA 90804

Serves Anaheim ยท based in Long Beach
ADU specialistHome builder
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#107

ADU Makers

No rating yet (0 Google reviews)
โœ” CSLB License Verified #1104137

3400 La Sierra Ave, Riverside, CA 92503

Serves Anaheim ยท based in Riverside
ADU specialist
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#108

Skye Construction

No rating yet (0 Google reviews)
โœ” CSLB License Verified #1068435

1302 E Hunter Ave #C, Santa Ana, CA 92705

Serves Anaheim ยท based in Santa Ana
General contractor
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#109

ADU

No rating yet (0 Google reviews)

13809 Actina Ave, Bellflower, CA 90706

Serves Anaheim ยท based in Bellflower
ADU specialist
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#110

Orange Innovation

No rating yet (0 Google reviews)
โœ” CSLB License Verified #832810

15122 Starboard St, Garden Grove, CA 92843

Serves Anaheim ยท based in Garden Grove
General contractor
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Anaheim ADU programs and pre-approved plans

Links verified November 2026. Program details change, so confirm current status with the city. See all SoCal pre-approved ADU plan programs.

Planning an ADU in Anaheim? Start here

ADU Rental Income and Property Taxes in California: What to ExpectHow to Choose an ADU Builder in Southern California: 15-Point ChecklistAB 1033: Can You Sell an ADU Separately in California?JADU vs ADU in California: Size, Rules, Cost and Which to Build

All ADU guides โ†’

Anaheim ADU FAQ

How many ADU builders serve Anaheim?

Our directory lists 114 ADU builders and contractors that appear for Anaheim on Google Maps, including companies based in nearby Orange County communities.

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

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

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 Anaheim 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 Orange County

Santa Ana 97Irvine 107Huntington Beach 88Garden Grove 97Fullerton 23Orange 95Costa Mesa 103Mission Viejo 59Westminster 53Lake Forest 60Newport Beach 96Buena Park 52
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