Side-by-side comparisons, cost guides and local rules for additions, ADUs and remodels in Seminole, Orange and Osceola counties. Updated October 2026.
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Start with the decision you're facing. Each guide compares the options side by side in a table, gives our planning ranges from the same price tables as our service pages, explains the Florida and local rules with sources, and ends with a short FAQ. For quick answers to single questions, see the remodeling FAQ; for the rules on accessory dwelling units, see ADU rules by city.
The remodeling FAQ answers 55 common questions in one place: costs, permits and who issues them, the Notice of Commencement, the $7,500 permit exemption, wind mitigation, the 25% roof rule, flood rules, ADUs and how to check a contractor.
Sources (primary sources, checked 2026-10-16): 44 CFR 59.1 · F.S. 713.135 · F.S. 553.79 · F.S. 553.844 · DBPR · F.S. 515.29 · F.S. 193.155 · F.S. 201.02. This page explains rules in general terms; it is not legal advice, and the building department for your address has the final word.
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