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ADU Builders & Contractors in Upland, CA

Upland, CA homeowners looking to build an ADU have 266 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 Upland starts here.

📊 ADU Quick Facts for Upland

Avg. Cost/sqft

$195-$370

Permit Timeline

60-120 weeks

Max Size

1200 sqft

Setbacks

4ft sides

Top 266 ADU Contractors in Upland

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#1PK CONSTRUCTION

Upland, CA

PK Construction — licensed ADU contractor in Upland, CA. Detached ADU construction. 30+ years experience.

View Profile📞 (626) 773 6963
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#2DAMASKE MARK CONSTRUCTION & AIR CONDITIONING

Upland, CA

Damaske Mark Construction & Air Conditioning — licensed ADU contractor in Upland, CA. Detached ADU construction. 23+ years experience.

View Profile📞 (909) 772 0659
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#3J H BUILDERS

Upland, CA

J H Builders — licensed ADU contractor in Upland, CA. Detached ADU construction. 39+ years experience.

View Profile📞 (909) 946 8569
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#4STAR GENERAL INC

Upland, CA

Star General Inc — licensed ADU contractor in Upland, CA. Detached ADU construction. 30+ years experience.

View Profile📞 (909) 982 2877
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#5NEW DESIGN CONTRACTORS

Upland, CA

New Design Contractors — licensed ADU contractor in Upland, CA. Detached ADU construction. 28+ years experience.

View Profile📞 (909) 319 9724
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#6LORD CONSTRUCTORS INC

Upland, CA

Lord Constructors Inc — licensed ADU contractor in Upland, CA. Detached ADU construction. 45+ years experience.

View Profile📞 (909) 946 6729
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#7GOTT W D CONSTRUCTION CO

Upland, CA

Gott W D Construction CO — licensed ADU contractor in Upland, CA. Detached ADU construction. 53+ years experience.

View Profile📞 (909) 982 8951
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#8MACIAS JR JAVIER JOSE

Upland, CA

Macias JR Javier Jose — licensed ADU contractor in Upland, CA. Detached ADU construction. 17+ years experience.

View Profile📞 (909) 749 2079
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#9LEGACY BUILDERS CONSTRUCTION INC

Upland, CA

Legacy Builders Construction Inc — licensed ADU contractor in Upland, CA. Detached ADU construction. 9+ years experience.

View Profile📞 (909) 266 0116
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#10HERNANDEZ ADAN

Upland, CA

Hernandez Adan — licensed ADU contractor in Upland, CA. Detached ADU construction. 38+ years experience.

View Profile📞 (909) 319 4035
View All 266 Contractors →

💰 How Much Does an ADU Cost in Upland?

Garage Conversion

$67,500 - $127,500

Converting existing garage to living space

Detached ADU

$145,000 - $320,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$1,112 - $5,112

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Upland

How much does it cost to build an ADU in Upland?▼
The average cost to build an ADU in Upland ranges from $145,000 to $320,000, or approximately $195 to $370 per square foot. Garage conversions typically cost $67,500 to $127,500.
How long does it take to get an ADU permit in Upland?▼
The ADU permit process in Upland 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 Upland?▼
In Upland, 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 Upland?▼
Upland 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 Upland?▼
No parking is required for ADUs in Upland 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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