Last updated: September 24, 2026
What affects the price
Building an ADU involves variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.
About this service
Building an ADU in Massachusetts involves navigating specific state zoning laws and local municipal bylaws. You should look into this if you own land in the state and want to add a rental unit or extra living space for family. Regulations can vary significantly between towns, so it is important to confirm local setback requirements and permit processes before you start. Exact pricing confirmed free on the call.
Frequently asked in St. Petersburg
Can I build a mother-in-law suite in my St. Petersburg home?
How much will it cost to get a permit for an ADU in St. Petersburg?
What exactly is an accessory dwelling unit?
What's the typical cost to build an accessory dwelling unit here?
Are there special accessory dwelling unit homes available?
What's involved in accessory dwelling unit construction costs?
Can I get a 24-hour ADU service?
Also serving nearby: Clearwater · Tampa · Lakeland · Plantation · North Port
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of St. Petersburg — population 263,553; about 4,264 residents per square mile across 61.8 sq mi.
Neighborhoods served in St. Petersburg: Downtown St. Petersburg, The EDGE District, Old Northeast, Beach Drive, Kenwood — and every surrounding area.
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