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ADU Builders in National City, CA

99 builders · ranked by Google rating and review volume · 38 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 National City 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 Diego County, National City had a 2020 Census population of about 56,173. We found 99 ADU builders and contractors that show up for National City homeowners on Google Maps, 6 of them based in the city itself. Their average Google rating is 4.8 stars. 33 market themselves specifically as ADU builders, and 2 mention garage conversions. 38 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are Fausto Construction Inc., Golden shore design and build and Hire Pro Man Inc.

San Diego was an early ADU adopter. Coastal-zone lots may need a coastal development permit, which state law now requires within 60 days, and transit-area lots often qualify for the 18-foot detached height allowance.

#1

Fausto Construction Inc.

5.0 (256 Google reviews)
✔ CSLB License Verified #1112999

1223 3rd Ave Ste e, Chula Vista, CA 91911

Serves National City · based in Chula Vista
Remodels & additionsGeneral contractor
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#2

Golden shore design and build

5.0 (60 Google reviews)
✔ CSLB License Verified #1097918

5694 Mission Center Rd, San Diego, CA 92108

Serves National City · based in San Diego
Design-buildRemodels & additionsHome builderGeneral contractor
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#3

Hire Pro Man Inc

5.0 (35 Google reviews)
✔ CSLB License Verified #1050268

1817 Morena Blvd Unit h, San Diego, CA 92110

Serves National City · based in San Diego
General contractor
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#5

Goncon Design & Build

5.0 (31 Google reviews)
✔ CSLB License Verified #1003038

995 Bay Blvd #102, Chula Vista, CA 91911

Serves National City · based in Chula Vista
Design-buildRemodels & additionsHome builderGeneral contractor
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#8

PBH Builders

4.9 (78 Google reviews)
✔ CSLB License Verified #1102758

4715 30th St, San Diego, CA 92116

Serves National City · based in San Diego
Remodels & additionsHome builder
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#9

Apex American Homes

4.9 (76 Google reviews)
✔ CSLB License Verified #1122778

2698 W Canyon Ave., San Diego, CA 92123

Serves National City · based in San Diego
Remodels & additionsHome builderGeneral contractor
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#11

D & L Builders Inc.

4.9 (71 Google reviews)
✔ CSLB License Verified #1053205

4410 Glacier Ave #8, San Diego, CA 92120

Serves National City · based in San Diego
Remodels & additionsGeneral contractor
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#12

Falcon Builders Group

4.9 (70 Google reviews)
✔ CSLB License Verified #1122581

8825 Aero Dr #205, San Diego, CA 92123

Serves National City · based in San Diego
Remodels & additionsHome builderGeneral contractor
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#17

Wallstar Design & Build

5.0 (20 Google reviews)
✔ CSLB License Verified #1136303

7995 Civita Blvd UNIT 525, San Diego, CA 92108

Serves National City · based in San Diego
Design-buildRemodels & additionsHome builderGeneral contractor
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#20

SD Build Co

5.0 (19 Google reviews)

4015 Park Blvd #222, San Diego, CA 92103

Serves National City · based in San Diego
Remodels & additionsGeneral contractor
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#22

Adama Builders

5.0 (18 Google reviews)
✔ CSLB License Verified #1149734

5075 Camino De La Siesta #435, San Diego, CA 92108

Serves National City · based in San Diego
General contractor
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#26

AH Construction

4.9 (37 Google reviews)
✔ CSLB License Verified #912852

8989 Rio San Diego Dr Suite 225, San Diego, CA 92108

Serves National City · based in San Diego
Remodels & additionsGeneral contractor
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#28

Nicolls Design Build

5.0 (17 Google reviews)
✔ CSLB License Verified #1003454

900 Orange Ave Ste 201, Coronado, CA 92118

Serves National City · based in Coronado
Design-buildGeneral contractor
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#33

RCS Pro Build

5.0 (14 Google reviews)
✔ CSLB License Verified #1044209

2003 Bayview Heights Dr Spc 68, San Diego, CA 92105

Serves National City · based in San Diego
General contractor
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#35

MD Golden Builders

4.8 (77 Google reviews)
✔ CSLB License Verified #1128874

4275 Mission Bay Dr., San Diego, CA 92109

Serves National City · based in San Diego
Remodels & additionsGeneral contractor
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#40

Build Wize LLC

5.0 (10 Google reviews)

9655 Granite Ridge Dr, San Diego, CA 92123

Serves National City · based in San Diego
Remodels & additionsHome builderGeneral contractor
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#42

AZH Builders

4.8 (41 Google reviews)

3683 University Ave, San Diego, CA 92104

Serves National City · based in San Diego
Remodels & additionsHome builderGeneral contractor
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#45

Snap ADU

4.8 (33 Google reviews)

1223 Cleveland Ave #200-115, San Diego, CA 92103

Serves National City · based in San Diego
ADU specialistHome builderGeneral contractor
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#47

Cabal Construction

5.0 (8 Google reviews)
✔ CSLB License Verified #1085622

7103 University Ave, La Mesa, CA 91942

Serves National City · based in La Mesa
Home builderGeneral contractor
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#49

HSP ADU Builders

4.9 (11 Google reviews)

5975 Redwood St, San Diego, CA 92105

Serves National City · based in San Diego
ADU specialistRemodels & additionsHome builderGeneral contractor
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#50

ADU Home Pros

5.0 (7 Google reviews)

9007 Olive Dr Ste 1, Spring Valley, CA 91977

Serves National City · based in Spring Valley
ADU specialistHome builder
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#58

Bernal Builders, Inc

4.7 (28 Google reviews)
✔ CSLB License Verified #1047688

3343 Durant St, San Diego, CA 92113

Serves National City · based in San Diego
Remodels & additionsHome builderGeneral contractor
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#61

HHRemodelinSD

5.0 (4 Google reviews)

547 Glover Ave, Chula Vista, CA 91910

Serves National City · based in Chula Vista
Remodels & additionsGeneral contractor
WebsiteView profile
#65

Home Services Plus

4.7 (21 Google reviews)
✔ CSLB License Verified #1119646

6431 Wandermere Dr, San Diego, CA 92120

Serves National City · based in San Diego
Remodels & additionsHome builderGeneral contractor
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#66

A2M Contractors

5.0 (3 Google reviews)

1877 Petaluma Dr, Chula Vista, CA 91913

Serves National City · based in Chula Vista
Remodels & additionsHome builderGeneral contractor
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#67

GD builders

5.0 (3 Google reviews)
✔ CSLB License Verified #1094291

Service-area business · Chula Vista

Serves National City · based in Chula Vista
Home builderGeneral contractor
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#69

Apex Works

5.0 (3 Google reviews)

Service-area business · Lemon Grove

Serves National City · based in Lemon Grove
Remodels & additionsHome builderGeneral contractor
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#75

Hauser ADU

5.0 (1 Google reviews)

845 15th St Floors 1-4, San Diego, CA 92101

Serves National City · based in San Diego
ADU specialistPrefab / modularHome builder
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#76

Nestadu

5.0 (1 Google reviews)

402 W Broadway Suite 400, San Diego, CA 92101

Serves National City · based in San Diego
ADU specialistHome builder
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#82

ADUPALS

4.5 (16 Google reviews)

1420 Kettner Blvd Ste 100, San Diego, CA 92101

Serves National City · based in San Diego
ADU specialist
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#83

Organic ADU

4.5 (8 Google reviews)

4432 Ingraham St, San Diego, CA 92109

Serves National City · based in San Diego
ADU specialistRemodels & additions
CallWebsiteView profile
#90

TrueBuild ADU

3.0 (2 Google reviews)
✔ CSLB License Verified #770286

4901 70th St Ste 2, San Diego, CA 92115

Serves National City · based in San Diego
ADU specialistHome builderGeneral contractor
CallWebsiteView profile
#93

ADU Geeks

3.7 (44 Google reviews)

2835 Camino del Rio S #340, San Diego, CA 92108

Serves National City · based in San Diego
ADU specialistHome builder
CallWebsiteView profile
#95

ADU West

No rating yet (0 Google reviews)

7400 El Cajon Blvd #105, La Mesa, CA 91942

Serves National City · based in La Mesa
ADU specialistHome builder
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#96

Just ADUs

No rating yet (0 Google reviews)

979 Palm Valley Cir Unit D, Chula Vista, CA 91915

Serves National City · based in Chula Vista
ADU specialist
CallWebsiteView profile
#97

OneStop ADU

No rating yet (0 Google reviews)
✔ CSLB License Verified #1094838

2667 Camino del Rio S Ste 113, San Diego, CA 92108

Serves National City · based in San Diego
ADU specialistHome builderGeneral contractor
CallWebsiteView profile
#98

YesADU

No rating yet (0 Google reviews)

3330 Kurtz St, San Diego, CA 92110

Serves National City · based in San Diego
ADU specialist
CallWebsiteView profile

Permits and pre-approved plans in National City

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

Planning an ADU in National City? Start here

Two-Story and Above-Garage ADUs in California: Height Rules, Costs and DesignADU Rental Income and Property Taxes in California: What to ExpectAB 1033: Can You Sell an ADU Separately in California?How to Legalize an Unpermitted ADU in California (AB 2533)

All ADU guides →

National City ADU FAQ

How many ADU builders serve National City?

Our directory lists 99 ADU builders and contractors that appear for National City on Google Maps, including companies based in nearby San Diego County communities.

Do I need a permit to build an ADU in National City?

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

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 National City 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 Diego County

San Diego 120Chula Vista 86Oceanside 56Escondido 110Carlsbad 67El Cajon 22Vista 60San Marcos 66Encinitas 64La Mesa 41Santee 67Poway 49
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