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ADU Builders in Huntington Beach, CA

88 builders · ranked by Google rating and review volume · 48 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 Huntington Beach 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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Huntington Beach is home to about 198,711 people (2020 Census) in Orange County. We found 88 ADU builders and contractors that show up for Huntington Beach homeowners on Google Maps, 15 of them based in the city itself. Their average Google rating is 4.9 stars. 27 market themselves specifically as ADU builders, and 2 mention garage conversions. 48 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are Ivy Builders Remodeling, 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)
✔ CSLB License Verified #1052090

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

Serves Huntington Beach · based in Santa Ana
General contractor
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#4

ADU West Coast

5.0 (37 Google reviews)
✔ CSLB License Verified #1064076

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

Serves Huntington Beach · based in Seal Beach
ADU specialistHome builderGeneral contractor
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#6

Modernyze

5.0 (26 Google reviews)
✔ CSLB License Verified #1019812

2323 Main St, Irvine, CA 92614

Serves Huntington Beach · based in Irvine
Remodels & additionsHome builderGeneral contractor
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#8

Look Wow Builders

5.0 (24 Google reviews)
✔ CSLB License Verified #1121005

1600 Dove St Ste 260, Newport Beach, CA 92660

Serves Huntington Beach · based in Newport Beach
Remodels & additionsHome builderGeneral contractor
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#11

AKF Construction Inc.

5.0 (23 Google reviews)
✔ CSLB License Verified #1086127

2102 Business Center Dr Ste. 142, Irvine, CA 92612

Serves Huntington Beach · based in Irvine
General contractor
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#18

Vulcon Builders

5.0 (18 Google reviews)
✔ CSLB License Verified #1128480

2082 Michelson Dr #100, Irvine, CA 92612

Serves Huntington Beach · based in Irvine
Remodels & additionsHome builderGeneral contractor
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#20

OC Quality Builders

4.9 (30 Google reviews)
✔ CSLB License Verified #1148925

22981 Triton Way Unit C, Laguna Hills, CA 92653

Serves Huntington Beach · based in Laguna Hills
Remodels & additionsHome builderGeneral contractor
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#21

Titan Framing, Inc

5.0 (15 Google reviews)
✔ CSLB License Verified #1115866

9114 Adams Ave #171, Huntington Beach, CA 92646

Based in Huntington Beach
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#30

VICOREL

5.0 (9 Google reviews)
✔ CSLB License Verified #1143460

2372 Morse Ave Ste 746, Irvine, CA 92614

Serves Huntington Beach · based in Irvine
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#34

Jordan remodeling

5.0 (8 Google reviews)
✔ CSLB License Verified #1125352

Service-area business · Laguna Beach

Serves Huntington Beach · based in Laguna Beach
Remodels & additionsGeneral contractor
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#36

Innovative Craftsmanship

5.0 (7 Google reviews)
✔ CSLB License Verified #1023122

120 Newport Center Dr Ste 7012, Newport Beach, CA 92660

Serves Huntington Beach · based in Newport Beach
Remodels & additionsHome builderGeneral contractor
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#40

Dv construction

5.0 (4 Google reviews)
✔ CSLB License Verified #1116638

10055 Lampson Ave, Garden Grove, CA 92840

Serves Huntington Beach · based in Garden Grove
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#42

MLR Construction Co

5.0 (4 Google reviews)
✔ CSLB License Verified #1108801

Service-area business · Fountain Valley

Serves Huntington Beach · based in Fountain Valley
Remodels & additionsHome builderGeneral contractor
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#43

Maker Design Group

5.0 (4 Google reviews)
✔ CSLB License Verified #1020387

Service-area business · Laguna Beach

Serves Huntington Beach · based in Laguna Beach
General contractor
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#44

Plus Home ADU

5.0 (3 Google reviews)
✔ CSLB License Verified #1062063

Service-area business · Aliso Viejo

Serves Huntington Beach · based in Aliso Viejo
ADU specialistRemodels & additionsHome builderGeneral contractor
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#54

Pelican ADU Builders

5.0 (2 Google reviews)
✔ CSLB License Verified #1106515

1924 Barranca Pkwy Unit 1, Irvine, CA 92606

Serves Huntington Beach · based in Irvine
ADU specialistGeneral contractor
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#59

1st Choice Development

4.6 (29 Google reviews)
✔ CSLB License Verified #576474

333 City Blvd W Suite, 1700, Orange, CA 92868

Serves Huntington Beach · based in Orange
Home builderGeneral contractor
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#63

LMX Builders

4.5 (15 Google reviews)
✔ CSLB License Verified #949201

1 Hollinwood, Irvine, CA 92618

Serves Huntington Beach · based in Irvine
Remodels & additionsGeneral contractor
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#71

aducustomhomes

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

5199 CA-1, Long Beach, CA 90804

Serves Huntington Beach · based in Long Beach
ADU specialistHome builder
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#72

Skye Construction

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

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

Serves Huntington Beach · based in Santa Ana
General contractor
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#73

Orange Innovation

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

15122 Starboard St, Garden Grove, CA 92843

Serves Huntington Beach · based in Garden Grove
General contractor
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#75

Rigi Home & Garden Design LLC

No rating yet (0 Google reviews)
✔ CSLB License Verified #1161845

Service-area business · Newport Beach

Serves Huntington Beach · based in Newport Beach
Garage conversionsRemodels & additionsHome builderGeneral contractor
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#76

J&R ADU

No rating yet (0 Google reviews)

Service-area business · Fountain Valley

Serves Huntington Beach · based in Fountain Valley
ADU specialistPrefab / modularHome builder
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#78

ADU-BUILDS

No rating yet (0 Google reviews)
✔ CSLB License Verified #1150636

Service-area business · Newport Beach

Serves Huntington Beach · based in Newport Beach
ADU specialist
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#82

OCADUSTUDIO

No rating yet (0 Google reviews)
✔ CSLB License Verified #1155045

13251 Pinto Rd, Garden Grove, CA 92843

Serves Huntington Beach · based in Garden Grove
ADU specialistGeneral contractor
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Permits and pre-approved plans in Huntington Beach

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

Planning an ADU in Huntington Beach? Start here

AB 1033: Can You Sell an ADU Separately in California?SB 9 vs ADU: Lot Splits, Duplexes and Backyard Units in CaliforniaADU Rental Income and Property Taxes in California: What to ExpectHow to Legalize an Unpermitted ADU in California (AB 2533)

All ADU guides →

Huntington Beach ADU FAQ

How many ADU builders serve Huntington Beach?

Our directory lists 88 ADU builders and contractors that appear for Huntington Beach on Google Maps, including companies based in nearby Orange County communities.

Do I need a permit to build an ADU in Huntington Beach?

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

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 Huntington Beach 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

Anaheim 114Santa Ana 97Irvine 107Garden Grove 97Fullerton 23Orange 95Costa Mesa 103Mission Viejo 59Westminster 53Lake Forest 60Newport Beach 96Buena Park 52
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