What is the maximum ADU size allowed in Cerritos?

Detached ADUs in Cerritos can be up to 1200 square feet.

ADU Builders & Contractors in Cerritos, CA

Q: How much does it cost to build an ADU in Cerritos?

The average cost ranges from $147,000 to $322,000, or $197-372 per square foot.

Q: How long does it take to get an ADU permit in Cerritos?

The permit process typically takes 60 to 120 weeks in Cerritos.

Cerritos, CA is home to 120 ADU contractors ready to help. From initial permits to final inspection, these local professionals know Cerritos's building codes and can guide your project from concept to completion.

📊 ADU Quick Facts for Cerritos

Avg. Cost/sqft

$197-$372

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 120 ADU Contractors in Cerritos

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#1EIDE INDUSTRIES INC

Cerritos, CA

Eide Industries Inc — licensed ADU contractor in Cerritos, CA. Detached ADU construction. 63+ years experience.

View Profile 📞 (562) 402 8335

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#2BUILDING WORKSHOP DEVELOPMENT INC

Cerritos, CA

Building Workshop Development Inc — licensed ADU contractor in Cerritos, CA. Detached ADU construction. 7+ years experience.

View Profile 📞 (213) 268 9663

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#3TENANT IMPROVEMENT SPECIALTIES

Cerritos, CA

Tenant Improvement Specialties — licensed ADU contractor in Cerritos, CA. Detached ADU construction. 39+ years experience.

View Profile 📞 (562) 809 7511

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#4ARCUS CONSTRUCTION

Cerritos, CA

Arcus Construction — licensed ADU contractor in Cerritos, CA. Detached ADU construction. 14+ years experience.

View Profile 📞 (714) 742 4423

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#5G C CONSTRUCTION COMPANY INC

Cerritos, CA

G C Construction Company Inc — licensed ADU contractor in Cerritos, CA. Detached ADU construction. 41+ years experience.

View Profile 📞 (562) 924 0801

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#6QUINTERO SANTIAGO

Cerritos, CA

Quintero Santiago — licensed ADU contractor in Cerritos, CA. Detached ADU construction. 28+ years experience.

View Profile 📞 (800) 871 0300

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#7LEE JEN CHIH

Cerritos, CA

Lee Jen Chih — licensed ADU contractor in Cerritos, CA. Detached ADU construction. 14+ years experience.

View Profile 📞 (562) 299 2290

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#8AARDVARK GROUP INC THE

Cerritos, CA

Aardvark Group Inc The — licensed ADU contractor in Cerritos, CA. Detached ADU construction. 26+ years experience.

View Profile 📞 (714) 522 5222

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#9HO JAMES

Cerritos, CA

HO James — licensed ADU contractor in Cerritos, CA. Detached ADU construction. 31+ years experience.

View Profile 📞 (562) 243 9658

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#10DISCOUNT ORNAMENTAL IRON

Cerritos, CA

Discount Ornamental Iron — licensed ADU contractor in Cerritos, CA. Detached ADU construction. 23+ years experience.

View Profile 📞 (562) 809 7161

View All 120 Contractors →

💰 How Much Does an ADU Cost in Cerritos?

Garage Conversion

$68,500 - $128,500

Converting existing garage to living space

Detached ADU

$147,000 - $322,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,101 - $5,101

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Cerritos

How much does it cost to build an ADU in Cerritos?▼

The average cost to build an ADU in Cerritos ranges from $147,000 to $322,000, or approximately $197 to $372 per square foot. Garage conversions typically cost $68,500 to $128,500.

How long does it take to get an ADU permit in Cerritos?▼

The ADU permit process in Cerritos 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 Cerritos?▼

In Cerritos, 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 Cerritos?▼

Cerritos 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 Cerritos?▼

No parking is required for ADUs in Cerritos 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)

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