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ADU Builders in Torrance, CA

98 builders · ranked by Google rating and review volume · 50 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 Torrance 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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Torrance is home to about 147,067 people (2020 Census) in Los Angeles County. We found 98 ADU builders and contractors that show up for Torrance homeowners on Google Maps, 10 of them based in the city itself. Their average Google rating is 4.8 stars. 33 market themselves specifically as ADU builders, and 6 mention garage conversions. 50 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are Home Remodeling Builders, SHINE INVEST and Envision More Renovations.

Los Angeles leads California in ADU permits. Common projects here include garage conversions on older lots, detached backyard units on deep lots, and hillside sites where access and grading drive the cost.

#1

Home Remodeling Builders

5.0 (85 Google reviews)
✔ CSLB License Verified #1131012

1500 Rosecrans Ave #500, Manhattan Beach, CA 90266

Serves Torrance · based in Manhattan Beach
Remodels & additionsHome builderGeneral contractor
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#2

SHINE INVEST

5.0 (62 Google reviews)
✔ CSLB License Verified #1079290

1230 Rosecrans Ave, Manhattan Beach, CA 90266

Serves Torrance · based in Manhattan Beach
Remodels & additionsHome builderGeneral 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 Torrance · based in Seal Beach
ADU specialistHome builderGeneral contractor
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#5

Direct ADU

5.0 (36 Google reviews)

11853 S Inglewood Ave, Hawthorne, CA 90250

Serves Torrance · based in Hawthorne
ADU specialistGarage conversionsHome builder
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#6

Nuvision Design & Build

5.0 (34 Google reviews)
✔ CSLB License Verified #1082036

1732 Aviation Blvd #560, Redondo Beach, CA 90278

Serves Torrance · based in Redondo Beach
Design-buildGeneral contractor
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#12

Lux Builders & Remodeling Inc.

4.9 (54 Google reviews)
✔ CSLB License Verified #864453

1020 Manhattan Beach Blvd Ste 208, Manhattan Beach, CA 90266

Serves Torrance · based in Manhattan Beach
Remodels & additionsHome builderGeneral contractor
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#17

MTZ Contractors

5.0 (17 Google reviews)
✔ CSLB License Verified #1028881

3515 Atlantic Ave #1019, Long Beach, CA 90807

Serves Torrance · based in Long Beach
Remodels & additionsGeneral contractor
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#18

Aza Construction

5.0 (17 Google reviews)
✔ CSLB License Verified #1091323

4304 W 149th St, Lawndale, CA 90260

Serves Torrance · based in Lawndale
Remodels & additionsHome builderGeneral contractor
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#21

Ga Design Build

4.9 (29 Google reviews)

16226 Clark Ave, Bellflower, CA 90706

Serves Torrance · based in Bellflower
Design-buildRemodels & additionsHome builderGeneral contractor
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#23

Orr Construction Company

5.0 (13 Google reviews)
✔ CSLB License Verified #1028720

1977 Obispo Ave, Signal Hill, CA 90755

Serves Torrance · based in Signal Hill
Remodels & additionsHome builderGeneral contractor
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#32

ADU Certified

5.0 (8 Google reviews)
✔ CSLB License Verified #1041789

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

Serves Torrance · based in Long Beach
ADU specialistRemodels & additionsHome builderGeneral contractor
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#34

Ohka Construction

5.0 (8 Google reviews)
✔ CSLB License Verified #1131944

3711 Long Beach Blvd, Long Beach, CA 90807

Serves Torrance · based in Long Beach
General contractor
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#35

Golden State Construction

4.8 (26 Google reviews)
✔ CSLB License Verified #1142466

1565 Vía Leon, Palos Verdes Estates, CA 90274

Serves Torrance · based in Palos Verdes Estates
Remodels & additionsHome builderGeneral contractor
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#36

ADU Homes, Inc.

4.9 (11 Google reviews)
✔ CSLB License Verified #1098802

245 E 3rd St, Long Beach, CA 90802

Serves Torrance · based in Long Beach
ADU specialistHome builder
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#38

NewGen ADU Builders

5.0 (7 Google reviews)
✔ CSLB License Verified #1087166

18000 Studebaker Rd #700, Cerritos, CA 90703

Serves Torrance · based in Cerritos
ADU specialistHome builder
CallView profile
#39

T&N Remodeling PV

5.0 (7 Google reviews)

29224 Firthridge Rd, Rancho Palos Verdes, CA 90275

Serves Torrance · based in Rancho Palos Verdes
Remodels & additionsGeneral contractor
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#54

Cover

4.7 (23 Google reviews)
✔ CSLB License Verified #1039029

1415 W 178th St, Gardena, CA 90248

Serves Torrance · based in Gardena
Prefab / modularHome builderGeneral contractor
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#55

MTR Construction, Inc.

4.7 (15 Google reviews)
✔ CSLB License Verified #929602

1711 E 20th St, Signal Hill, CA 90755

Serves Torrance · based in Signal Hill
Remodels & additionsHome builderGeneral contractor
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#56

Rudy's Construction Inc.

4.7 (14 Google reviews)
✔ CSLB License Verified #1036421

29000 S Western Ave, Rancho Palos Verdes, CA 90275

Serves Torrance · based in Rancho Palos Verdes
Remodels & additionsHome builderGeneral contractor
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#64

Builders Trust Construction

5.0 (2 Google reviews)
✔ CSLB License Verified #1080695

Service-area business · Lawndale

Serves Torrance · based in Lawndale
Remodels & additionsGeneral contractor
CallView profile
#78

The ADU Guys

3.4 (5 Google reviews)
✔ CSLB License Verified #1071442

23601 Avalon Blvd #203, Carson, CA 90745

Serves Torrance · based in Carson
ADU specialist
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#79

The ADU Builder

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

3646 Long Beach Blvd, Long Beach, CA 90807

Serves Torrance · based in Long Beach
ADU specialist
CallWebsiteView profile
#80

ADU MAXX

No rating yet (0 Google reviews)

4401 Atlantic Ave #200, Long Beach, CA 90807

Serves Torrance · based in Long Beach
ADU specialist
CallWebsiteView profile
#82

aducustomhomes

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

5199 CA-1, Long Beach, CA 90804

Serves Torrance · based in Long Beach
ADU specialistHome builder
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#83

ADU

No rating yet (0 Google reviews)

13809 Actina Ave, Bellflower, CA 90706

Serves Torrance · based in Bellflower
ADU specialist
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#86

A.D.U KINGS

No rating yet (0 Google reviews)

Service-area business · Huntington Park

Serves Torrance · based in Huntington Park
Home builder
CallView profile
#87

America Green Builders

No rating yet (0 Google reviews)
✔ CSLB License Verified #1020657

Service-area business · Rancho Palos Verdes

Serves Torrance · based in Rancho Palos Verdes
Remodels & additionsHome builderGeneral contractor
CallWebsiteView profile
#94

ADU Bros

No rating yet (0 Google reviews)

Service-area business · Hawthorne

Serves Torrance · based in Hawthorne
ADU specialist
CallWebsiteView profile
#97

MaxxADU

No rating yet (0 Google reviews)

Service-area business · Lawndale

Serves Torrance · based in Lawndale
ADU specialist
CallWebsiteView profile

Permits and pre-approved plans in Torrance

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

Planning an ADU in Torrance? Start here

ADU Rental Income and Property Taxes in California: What to ExpectHow Much Does It Cost to Build an ADU in Southern California?SB 9 vs ADU: Lot Splits, Duplexes and Backyard Units in CaliforniaJADU vs ADU in California: Size, Rules, Cost and Which to Build

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Torrance ADU FAQ

How many ADU builders serve Torrance?

Our directory lists 98 ADU builders and contractors that appear for Torrance on Google Maps, including companies based in nearby Los Angeles County communities.

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

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

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 Torrance 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 Los Angeles County

Los Angeles 118Long Beach 119Santa Clarita 27Glendale 117Lancaster 12Palmdale 12Pomona 67Pasadena 100Downey 28West Covina 68El Monte 24Inglewood 46
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