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ADU Builders & Contractors in Hacienda Heights, CA

With 128 verified ADU contractors serving Hacienda Heights, CA, homeowners have plenty of options for their accessory dwelling unit project. Local contractors ready to help specialize in everything from design-build to permit navigation.

📊 ADU Quick Facts for Hacienda Heights

Avg. Cost/sqft

$202-$377

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 128 ADU Contractors in Hacienda Heights

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#1HIXSON & OWEN DEVELOPMENT CORP

Hacienda Heights, CA

Hixson & Owen Development Corp — licensed ADU contractor in Hacienda Heights, CA. Detached ADU construction. 46+ years experience.

View Profile📞 (626) 622 5396
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#2HOSOKAWA SUNAO

Hacienda Heights, CA

Hosokawa Sunao — licensed ADU contractor in Hacienda Heights, CA. Detached ADU construction. 14+ years experience.

View Profile📞 (626) 379 1985
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#3TRAN DAI HUU

Hacienda Heights, CA

Tran Dai Huu — licensed ADU contractor in Hacienda Heights, CA. Detached ADU construction.

View Profile📞 (626) 500 7582
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#4JETLINE PLUMBING

Hacienda Heights, CA

Jetline Plumbing — licensed ADU contractor in Hacienda Heights, CA. Detached ADU construction.

View Profile📞 (562) 386 5463
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#5V A L CONSTRUCTION INC

Hacienda Heights, CA

V A L Construction Inc — licensed ADU contractor in Hacienda Heights, CA. Detached ADU construction. 21+ years experience.

View Profile📞 (626) 890 3161
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#6J T C STARTLINE INC

Hacienda Heights, CA

J T C Startline Inc — licensed ADU contractor in Hacienda Heights, CA. Detached ADU construction.

View Profile📞 (626) 346 5320
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#7M C K CONSTRUCTION COMPANY

Hacienda Heights, CA

M C K Construction Company — licensed ADU contractor in Hacienda Heights, CA. Detached ADU construction. 34+ years experience.

View Profile📞 (714) 681 5181
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#8KINGDOM CONSTRUCTION INC

Hacienda Heights, CA

Kingdom Construction Inc — licensed ADU contractor in Hacienda Heights, CA. Detached ADU construction. 27+ years experience.

View Profile📞 (626) 912 8795
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#9RUSSELL CONSTRUCTION SERVICES INC

Hacienda Heights, CA

Russell Construction Services Inc — licensed ADU contractor in Hacienda Heights, CA. Detached ADU construction. 37+ years experience.

View Profile📞 (562) 619 5500
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#10A R M CONSTRUCTION

Hacienda Heights, CA

A R M Construction — licensed ADU contractor in Hacienda Heights, CA. Detached ADU construction. 44+ years experience.

View Profile📞 (626) 388 5040
View All 128 Contractors →

💰 How Much Does an ADU Cost in Hacienda Heights?

Garage Conversion

$71,000 - $131,000

Converting existing garage to living space

Detached ADU

$152,000 - $327,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,097 - $5,097

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Hacienda Heights

How much does it cost to build an ADU in Hacienda Heights?▼
The average cost to build an ADU in Hacienda Heights ranges from $152,000 to $327,000, or approximately $202 to $377 per square foot. Garage conversions typically cost $71,000 to $131,000.
How long does it take to get an ADU permit in Hacienda Heights?▼
The ADU permit process in Hacienda 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 Hacienda Heights?▼
In Hacienda 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 Hacienda Heights?▼
Hacienda 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 Hacienda Heights?▼
No parking is required for ADUs in Hacienda 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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