ADU Builders & Contractors in Longwood, FL

With 16 verified ADU contractors serving Longwood, FL, 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 Longwood

Avg. Cost/sqft

$156-$306

Permit Timeline

30-90 weeks

Max Size

1000 sqft

Setbacks

5ft sides

Top 16 ADU Contractors in Longwood

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Longwood, FL

AP Construction Contractor, LLC — licensed ADU contractor in Longwood, FL.

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Longwood, FL

C2 General Contracting Inc. — licensed ADU contractor in Longwood, FL.

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Longwood, FL

Collis Roofing, Inc. — licensed ADU contractor in Longwood, FL.

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Longwood, FL

Dunning David — licensed ADU contractor in Longwood, FL.

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Longwood, FL

Falcon Design and Construction, LLC. — licensed ADU contractor in Longwood, FL.

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Longwood, FL

HD Roofing & Solar, LLC. — licensed ADU contractor in Longwood, FL.

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Longwood, FL

Collis Roofing, Inc. — licensed ADU contractor in Longwood, FL.

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Longwood, FL

AP Construction Contractor, LLC — licensed ADU contractor in Longwood, FL.

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Longwood, FL

Dunning David — licensed ADU contractor in Longwood, FL.

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Longwood, FL

Falcon Design and Construction, LLC. — licensed ADU contractor in Longwood, FL.

💰 How Much Does an ADU Cost in Longwood?

Garage Conversion

$43,000 - $103,000

Converting existing garage to living space

Detached ADU

$106,000 - $256,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$611 - $3,111

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Longwood

How much does it cost to build an ADU in Longwood?
The average cost to build an ADU in Longwood ranges from $106,000 to $256,000, or approximately $156 to $306 per square foot. Garage conversions typically cost $43,000 to $103,000.
How long does it take to get an ADU permit in Longwood?
The ADU permit process in Longwood typically takes 30 to 90 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 Longwood?
In Longwood, detached ADUs can be up to 1000 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 Longwood?
Longwood requires 5-foot setbacks from side property lines and 5-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 Longwood?
No parking is required for ADUs in Longwood 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.

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