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ADU Builders in Eastvale, CA

26 builders · ranked by Google rating and review volume · 14 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 Eastvale homeowners who are comparing builders right now. Includes your logo, project photos, a direct call button and a link to your website.

With roughly 69,757 residents at the 2020 Census, Eastvale is one of Riverside County's established communities. We found 26 ADU builders and contractors that show up for Eastvale homeowners on Google Maps, most of them based in nearby communities. Their average Google rating is 4.9 stars. 11 market themselves specifically as ADU builders, and 1 mention garage conversions. 14 have a matched, active CSLB license shown with a verified badge. The top-rated by our review-weighted score are SouthSTAR Construction, MDT, Inc and SoCal ADU Pros, Inc.

Inland lots in Riverside County tend to be larger, which suits detached ADUs and multigenerational layouts. Summer heat makes insulation, roof design and HVAC sizing worth discussing with your builder.

#2

MDT, Inc

5.0 (32 Google reviews)

6744 Magnolia Ave, Riverside, CA 92506

Serves Eastvale · based in Riverside
Remodels & additionsGeneral contractor
#5

Khan Construction Co.

4.9 (37 Google reviews)
✔ CSLB License Verified #700519

5802 Aurora Ave, Jurupa Valley, CA 91752

Serves Eastvale · based in Jurupa Valley
Home builderGeneral contractor
#7

JJ.Builders

5.0 (11 Google reviews)
✔ CSLB License Verified #1157031

Service-area business · Norco

Serves Eastvale · based in Norco
Remodels & additionsHome builderGeneral contractor
#11

Kirmina Construction

5.0 (8 Google reviews)
✔ CSLB License Verified #1144144

8615 Mesa Oak Dr, Riverside, CA 92508

Serves Eastvale · based in Riverside
Remodels & additionsHome builderGeneral contractor
#15

The ADU Pro

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

15338 Central Ave, Chino, CA 91710

Serves Eastvale · based in Chino
ADU specialistHome builderGeneral contractor
#18

R&R Improvements

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

16226 Windcrest Dr, Fontana, CA 92337

Serves Eastvale · based in Fontana
Remodels & additionsHome builderGeneral contractor
#21

ADU Makers

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

3400 La Sierra Ave, Riverside, CA 92503

Serves Eastvale · based in Riverside
ADU specialist
#22

Hidden Peak Homes

No rating yet (0 Google reviews)

473 E Carnegie Dr #200, San Bernardino, CA 92408

Serves Eastvale · based in San Bernardino
Home builderGeneral contractor
#23

Rocket ADU Solutions

No rating yet (0 Google reviews)

1881 Commercenter E #138, San Bernardino, CA 92408

Serves Eastvale · based in San Bernardino
ADU specialistPrefab / modular

Permits and pre-approved plans in Eastvale

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

Planning an ADU in Eastvale? Start here

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Eastvale ADU FAQ

How many ADU builders serve Eastvale?

Our directory lists 26 ADU builders and contractors that appear for Eastvale on Google Maps, including companies based in nearby Riverside County communities.

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

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

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 Eastvale 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 Riverside County

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