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ADU Builders & Contractors in Saint Petersburg, FL

Building an ADU in Saint Petersburg? You'll find 24 licensed contractors in the area, ready to help. Saint Petersburg's ADU market continues to grow as homeowners invest in additional living space, rental income, and multi-generational housing.

📊 ADU Quick Facts for Saint Petersburg

Avg. Cost/sqft

$143-$293

Permit Timeline

30-90 weeks

Max Size

1000 sqft

Setbacks

5ft sides

Top 24 ADU Contractors in Saint Petersburg

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#1Bolt Construction Services llc

Saint Petersburg, FL

Bolt Construction Services llc — licensed ADU contractor in Saint Petersburg, FL.

View Profile📞 (727) 639-0257
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#2RIPPLE CONSTRUCTION LLC

Saint Petersburg, FL

Ripple Construction Llc — licensed ADU contractor in saint petersburg, FL.

View Profile📞 (727) 861-9449
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#3DAS Logic Services LLC

Saint Petersburg, FL

DAS Logic Services LLC — licensed ADU contractor in Saint Petersburg, FL.

View Profile📞 (727) 259-5754
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#4Bolt Construction Services llc

Saint Petersburg, FL

Bolt Construction Services llc — licensed ADU contractor in Saint Petersburg, FL.

View Profile📞 (727) 639-0257
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#5Eleven 11 Construction LLC

Saint Petersburg, FL

Eleven 11 Construction LLC — licensed ADU contractor in Saint Petersburg, FL.

View Profile📞 (907) 351-2308
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#6FLORIDA BUILDING TECHNOLOGIES

Saint Petersburg, FL

Florida Building Technologies — licensed ADU contractor in Saint Petersburg, FL.

View Profile📞 (727) 409-7933
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#7DAS Logic Services LLC

Saint Petersburg, FL

DAS Logic Services LLC — licensed ADU contractor in Saint Petersburg, FL.

View Profile📞 (727) 259-5754
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#8Eleven 11 Construction LLC

Saint Petersburg, FL

Eleven 11 Construction LLC — licensed ADU contractor in Saint Petersburg, FL.

View Profile📞 (907) 351-2308
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#9FLORIDA BUILDING TECHNOLOGIES

Saint Petersburg, FL

Florida Building Technologies — licensed ADU contractor in Saint Petersburg, FL.

View Profile📞 (727) 409-7933
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#10Robertson, Richard A

Saint Petersburg, FL

Robertson, Richard A — licensed ADU contractor in Saint Petersburg, FL.

View Profile📞 (727) 290-8388
View All 24 Contractors →

💰 How Much Does an ADU Cost in Saint Petersburg?

Garage Conversion

$36,500 - $96,500

Converting existing garage to living space

Detached ADU

$93,000 - $243,000

New standalone unit (600-1,200 sqft)

Permit & Fees

$597 - $3,097

Plan check, permits, utility connections

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

❓ Frequently Asked Questions About ADUs in Saint Petersburg

How much does it cost to build an ADU in Saint Petersburg?▼
The average cost to build an ADU in Saint Petersburg ranges from $93,000 to $243,000, or approximately $143 to $293 per square foot. Garage conversions typically cost $36,500 to $96,500.
How long does it take to get an ADU permit in Saint Petersburg?▼
The ADU permit process in Saint Petersburg 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 Saint Petersburg?▼
In Saint Petersburg, 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 Saint Petersburg?▼
Saint Petersburg 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 Saint Petersburg?▼
No parking is required for ADUs in Saint Petersburg 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

Miami (224)Tampa (223)Jacksonville (121)Orlando (117)Naples (110)Sarasota (103)Fort Myers (91)Cape Coral (83)

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