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ADU Builders in Chino, CA

49 builders · ranked by Google rating and review volume · 23 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 Chino 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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With roughly 91,403 residents at the 2020 Census, Chino is one of San Bernardino County's established communities. We found 49 ADU builders and contractors that show up for Chino homeowners on Google Maps, 4 of them based in the city itself. Their average Google rating is 4.8 stars. 19 market themselves specifically as ADU builders, and 1 mention garage conversions. 23 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are JNC Construction, Skilled Home Builders and Hostetler Construction Inc..

Lots across San Bernardino County are often larger and land costs lower, which makes detached and prefab ADUs attractive. Foothill and mountain areas can face wildfire-zone construction requirements.

#1

JNC Construction

5.0 (143 Google reviews)

9360 Base Line Rd Ste H, Rancho Cucamonga, CA 91701

Serves Chino · based in Rancho Cucamonga
Remodels & additionsHome builderGeneral contractor
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#4

St Paul Contracting

5.0 (25 Google reviews)
✔ CSLB License Verified #1104071

9650 Business Center Dr Bldg 17, Suite 131, Rancho Cucamonga, CA 91730

Serves Chino · based in Rancho Cucamonga
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#11

Capy Construction

5.0 (15 Google reviews)
✔ CSLB License Verified #1120565

Service-area business · Walnut

Serves Chino · based in Walnut
Remodels & additionsHome builderGeneral contractor
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#12

Lopez United Inc

5.0 (14 Google reviews)
✔ CSLB License Verified #841932

11991 Silicon Ave, Chino, CA 91710

Based in Chino
Remodels & additionsHome builderGeneral contractor
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#14

Salem Builders

5.0 (13 Google reviews)

Service-area business · Montclair

Serves Chino · based in Montclair
Remodels & additionsHome builderGeneral contractor
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#26

The ADU Pro

4.7 (15 Google reviews)
✔ CSLB License Verified #1128679

15338 Central Ave, Chino, CA 91710

Based in Chino
ADU specialistHome builderGeneral contractor
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#29

ADU Experts

5.0 (3 Google reviews)

Service-area business · Azusa

Serves Chino · based in Azusa
ADU specialistGeneral contractor
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#33

OSHI Construction Inc.

5.0 (2 Google reviews)
✔ CSLB License Verified #990408

10722 Arrow Route Ste 304, Rancho Cucamonga, CA 91730

Serves Chino · based in Rancho Cucamonga
Remodels & additionsHome builderGeneral contractor
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#37

R&R Improvements

4.6 (10 Google reviews)
✔ CSLB License Verified #1087664

16226 Windcrest Dr, Fontana, CA 92337

Serves Chino · based in Fontana
Remodels & additionsHome builderGeneral contractor
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#40

BCM Group Inc

4.0 (4 Google reviews)
✔ CSLB License Verified #968356

9339 Feron Blvd, Rancho Cucamonga, CA 91730

Serves Chino · based in Rancho Cucamonga
CallWebsiteView profile
#42

CalHome ADU

1.0 (1 Google reviews)

2540 Fulton Rd, Pomona, CA 91767

Serves Chino · based in Pomona
ADU specialistGeneral contractor
CallView profile
#43

ADU Makers

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

3400 La Sierra Ave, Riverside, CA 92503

Serves Chino · based in Riverside
ADU specialist
CallView profile

Permits and pre-approved plans in Chino

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

Planning an ADU in Chino? Start here

How Much Does It Cost to Build an ADU in Southern California?AB 1033: Can You Sell an ADU Separately in California?JADU vs ADU in California: Size, Rules, Cost and Which to BuildADU Rental Income and Property Taxes in California: What to Expect

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Chino ADU FAQ

How many ADU builders serve Chino?

Our directory lists 49 ADU builders and contractors that appear for Chino on Google Maps, including companies based in nearby San Bernardino County communities.

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

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

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 Chino 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 Bernardino County

San Bernardino 51Fontana 83Ontario 54Rancho Cucamonga 31Victorville 16Rialto 56Hesperia 18Upland 27Chino Hills 117Apple Valley 17Redlands 20Highland 8
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