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ADU Builders & Contractors in Rowland Heights, CA

Rowland Heights, CA is home to 110 ADU contractors ready to help. From initial permits to final inspection, these local professionals know Rowland Heights's building codes and can guide your project from concept to completion.

📊 ADU Quick Facts for Rowland Heights

Avg. Cost/sqft

$192-$367

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 110 ADU Contractors in Rowland Heights

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#1EURO IMAGE CONSTRUCTION INCORPORATED

Rowland Heights, CA

Euro Image Construction Incorporated — licensed ADU contractor in Rowland Heights, CA. Detached ADU construction. 11+ years experience.

View Profile📞 (626) 810 0055
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#2AZ SOLAR

Rowland Heights, CA

AZ Solar — licensed ADU contractor in Rowland Heights, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (626) 715 5523
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#3KANG PYUNG CHIL

Rowland Heights, CA

Kang Pyung Chil — licensed ADU contractor in Rowland Heights, CA. Detached ADU construction. 31+ years experience.

View Profile📞 (951) 897 8838
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#4CP BUILDER INC

Rowland Heights, CA

CP Builder Inc — licensed ADU contractor in Rowland Heights, CA. Detached ADU construction. 5+ years experience.

View Profile📞 (909) 569 9959
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#5HOME REMODELING AND REPAIR

Rowland Heights, CA

Home Remodeling And Repair — licensed ADU contractor in Rowland Heights, CA. Detached ADU construction. 15+ years experience.

View Profile📞 (626) 810 6958
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#6T L CONSTRUCTION COMPANY

Rowland Heights, CA

T L Construction Company — licensed ADU contractor in Rowland Heights, CA. Detached ADU construction. 40+ years experience.

View Profile📞 (323) 680 7509
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#7B S CONSTRUCTION

Rowland Heights, CA

B S Construction — licensed ADU contractor in Rowland Heights, CA. Detached ADU construction.

View Profile📞 (909) 358 7554
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#8G C B T CONSTRUCTION CORPORATION

Rowland Heights, CA

G C B T Construction Corporation — licensed ADU contractor in Rowland Heights, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (626) 392 2829
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#9TANG WEI WEI

Rowland Heights, CA

Tang Wei Wei — licensed ADU contractor in Rowland Heights, CA. Detached ADU construction.

View Profile📞 (626) 379 1515
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#10MMA CONSTRUCTION CORP

Rowland Heights, CA

Mma Construction Corp — licensed ADU contractor in Rowland Heights, CA. Detached ADU construction.

View Profile📞 (626) 827 8008
View All 110 Contractors →

💰 How Much Does an ADU Cost in Rowland Heights?

Garage Conversion

$66,000 - $126,000

Converting existing garage to living space

Detached ADU

$142,000 - $317,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,111 - $5,111

Plan check, permits, utility connections

* Costs vary based on size, finishes, site conditions, and contractor. Get quotes from multiple Rowland Heights contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Rowland Heights

How much does it cost to build an ADU in Rowland Heights?▼
The average cost to build an ADU in Rowland Heights ranges from $142,000 to $317,000, or approximately $192 to $367 per square foot. Garage conversions typically cost $66,000 to $126,000.
How long does it take to get an ADU permit in Rowland Heights?▼
The ADU permit process in Rowland Heights typically takes 60 to 120 weeks. California law requires cities to approve or deny ADU permits within 60 days of receiving a complete application.
What are the ADU size limits in Rowland Heights?▼
In Rowland Heights, detached ADUs can be up to 1200 square feet. Attached ADUs are limited to 50% of the primary dwelling or 1,200 sqft, whichever is less. Junior ADUs (JADUs) are limited to 500 sqft and must be within the existing home.
What is the setback requirement for ADUs in Rowland Heights?▼
Rowland Heights requires 4-foot setbacks from side property lines and 4-foot setbacks from rear property lines for new ADU construction. Converted structures (like existing garages) may maintain their current setbacks.
Do I need to provide parking for my ADU in Rowland Heights?▼
No parking is required for ADUs in Rowland Heights if your property is within half a mile of public transit, in a historic district, part of an existing multi-family building, or if the ADU is a garage conversion. Otherwise, one space may be required.

Also See ADU Contractors In

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