A step-by-step guide to the ADU permit process in St. Petersburg, FL — what to submit, who reviews it, realistic timelines, and how to avoid delays.

St. Petersburg allows three ADU types: detached, attached, and internal conversion. See what each costs, what the 800 sq ft rule means, and which fits your property.

The right questions reveal more than any portfolio. 15 St. Pete-specific questions to ask a custom home builder before you sign — with what good answers sound like.

Custom home builders work on your lot with full design control. Production builders use fixed plans in their communities. See which fits your St. Pete project.

Building an ADU in St. Petersburg costs $90,000–$200,000+. See costs by type, St. Pete's 800 sq ft rule, rental income math, and Florida code factors.

A home addition in St. Petersburg costs $80,000–$150,000+ for a room addition and $120,000–$250,000+ for a second story. See what drives cost in Pinellas County.

Design-build means one contractor manages design and construction under one contract. Learn how the process works for custom homes in St. Petersburg, FL.

Building a custom home in St. Petersburg takes 12–18 months. A phase-by-phase breakdown with real Pinellas County timelines, permit cycles, and Florida-specific factors.

Yes — a building permit is required for every second story addition in St. Petersburg. Learn what the permit requires, how Pinellas County review works, and what happens if you skip it.

Deciding between a room addition and a second story addition in St. Petersburg? Compare costs, timelines, permits, and lot constraints to choose the right path.