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ADU Builders & Contractors in Quartz Hill, CA

Quartz Hill, CA homeowners looking to build an ADU have 30 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 Quartz Hill starts here.

📊 ADU Quick Facts for Quartz Hill

Avg. Cost/sqft

$191-$366

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 30 ADU Contractors in Quartz Hill

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#1QUABCO CONSTRUCTION

Quartz Hill, CA

Quabco Construction — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 7+ years experience.

View Profile📞 (661) 943 0127
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#2BUILDERS UNLIMITED CONSTRUCTORS

Quartz Hill, CA

Builders Unlimited Constructors — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 24+ years experience.

View Profile📞 (661) 810 6037
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#3FINNEGAN WILLIAM H CONSTRUCTION

Quartz Hill, CA

Finnegan William H Construction — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (661) 728 7135
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#4MICHAEL'S CUSTOM DESIGNS

Quartz Hill, CA

Michael'S Custom Designs — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 33+ years experience.

View Profile📞 (661) 992 3169
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#5ANDREWS CUSTOM CONSTRUCTION

Quartz Hill, CA

Andrews Custom Construction — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 24+ years experience.

View Profile📞 (661) 510 6620
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#6TREJO IGNACIO

Quartz Hill, CA

Trejo Ignacio — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 6+ years experience.

View Profile📞 (661) 855 9614
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#7CARLTON'S CONSTRUCTION CUSTOM CARPENTRY

Quartz Hill, CA

Carlton'S Construction Custom Carpentry — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 27+ years experience.

View Profile📞 (661) 947 9618
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#8ACCELERATED CONSTRUCTION SERVICES

Quartz Hill, CA

Accelerated Construction Services — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 40+ years experience.

View Profile📞 (661) 361 2677
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#9VICKERS OWEN TORVAL

Quartz Hill, CA

Vickers Owen Torval — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 30+ years experience.

View Profile📞 (661) 733 3810
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#10FORTE NATHAN D CONSTRUCTION

Quartz Hill, CA

Forte Nathan D Construction — licensed ADU contractor in Quartz Hill, CA. Detached ADU construction. 40+ years experience.

View Profile📞 (661) 618 1520
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💰 How Much Does an ADU Cost in Quartz Hill?

Garage Conversion

$65,500 - $125,500

Converting existing garage to living space

Detached ADU

$141,000 - $316,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,117 - $5,117

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Quartz Hill

How much does it cost to build an ADU in Quartz Hill?▼
The average cost to build an ADU in Quartz Hill ranges from $141,000 to $316,000, or approximately $191 to $366 per square foot. Garage conversions typically cost $65,500 to $125,500.
How long does it take to get an ADU permit in Quartz Hill?▼
The ADU permit process in Quartz Hill 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 Quartz Hill?▼
In Quartz Hill, 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 Quartz Hill?▼
Quartz Hill 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 Quartz Hill?▼
No parking is required for ADUs in Quartz Hill 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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