ADU Contractors
Dashboard

ADU Builders & Contractors in Rosemead, CA

Rosemead, CA homeowners looking to build an ADU have 126 licensed contractors to choose from, ready to help. Whether you're planning a garage conversion, detached ADU, or junior ADU, finding the right contractor in Rosemead starts here.

📊 ADU Quick Facts for Rosemead

Avg. Cost/sqft

$192-$367

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 126 ADU Contractors in Rosemead

🏗️
#1GONG QIAN LAN

Rosemead, CA

Gong Qian Lan — licensed ADU contractor in Rosemead, CA. Detached ADU construction.

View Profile📞 (626) 342 1467
🏗️
#2V W E CONSTRUCTION INC

Rosemead, CA

V W E Construction Inc — licensed ADU contractor in Rosemead, CA. Detached ADU construction. 10+ years experience.

View Profile📞 (626) 674 9355
🏗️
#3C L BUILDERS & DEVELOPMENT INC

Rosemead, CA

C L Builders & Development Inc — licensed ADU contractor in Rosemead, CA. Detached ADU construction. 12+ years experience.

View Profile📞 (626) 877 3875
🏗️
#4J & R MACH DESIGN CONSTRUCTION CORP

Rosemead, CA

J & R Mach Design Construction Corp — licensed ADU contractor in Rosemead, CA. Detached ADU construction. 15+ years experience.

View Profile📞 (626) 209 7559
🏗️
#5316 ENGINEERING AND CONSTRUCTION CO INC

Rosemead, CA

316 Engineering And Construction CO Inc — licensed ADU contractor in Rosemead, CA. Detached ADU construction. 12+ years experience.

View Profile📞 (818) 395 7989
🏗️
#6AMERICAN DREAM DESIGN & CONSTRUCTION INC

Rosemead, CA

American Dream Design & Construction Inc — licensed ADU contractor in Rosemead, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (562) 824 9319
🏗️
#7JMR PAINTING COMPANY

Rosemead, CA

Jmr Painting Company — licensed ADU contractor in Rosemead, CA. Detached ADU construction. 12+ years experience.

View Profile📞 (310) 531 4018
🏗️
#8PAW CONSTRUCTION INC

Rosemead, CA

Paw Construction Inc — licensed ADU contractor in Rosemead, CA. Detached ADU construction. 10+ years experience.

View Profile📞 (626) 230 9155
🏗️
#9SUNNY CONSTRUCTION CO

Rosemead, CA

Sunny Construction CO — licensed ADU contractor in Rosemead, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (626) 825 8628
🏗️
#10LAM QUANG TU

Rosemead, CA

Lam Quang TU — licensed ADU contractor in Rosemead, CA. Detached ADU construction. 13+ years experience.

View Profile📞 (626) 215 7412
View All 126 Contractors →

💰 How Much Does an ADU Cost in Rosemead?

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 Rosemead contractors to compare pricing.

❓ Frequently Asked Questions About ADUs in Rosemead

How much does it cost to build an ADU in Rosemead?▼
The average cost to build an ADU in Rosemead 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 Rosemead?▼
The ADU permit process in Rosemead 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 Rosemead?▼
In Rosemead, 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 Rosemead?▼
Rosemead 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 Rosemead?▼
No parking is required for ADUs in Rosemead 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

Los Angeles (3215)San Diego (2582)San Francisco (2170)Sacramento (1551)Riverside (925)Fresno (904)Anaheim (784)Irvine (760)

Ready to Build Your ADU in Rosemead?

Get free quotes from top-rated local contractors

Find Contractors Now
← View all contractors in California