ADU rules in Melbourne, FL — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Melbourne's zoning code Appendix B, Article VII addresses accessory and temporary uses and structures including ADUs. ADUs may be permitted in certain residential zoning districts. Building permits and zoning approval required. Contact Planning and Zoning at the Community Development Department for eligibility.
Melbourne's zoning code permits accessory dwelling units (ADUs) in single-family residential zones. ADUs may be attached (converted garage, addition) or detached structures. Size is typically limited to 800-1,200 square feet or 50% of the primary dwelling's floor area, whichever is less. Setback requirements match those for accessory structures (typically 5 feet from side and rear property lines). Owner occupancy of either the primary or accessory unit may be required. ADUs must meet current building code, include independent kitchen and bathroom facilities, and comply with county utility connection requirements. Florida state legislation may further shape local ADU rules.
Unpermitted ADUs face stop-work orders and removal or legalization requirements. Fines of $500–$2,000 apply for unpermitted construction. Properties with illegal ADUs may face title issues at sale.
Melbourne, FL
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Side-by-side rule comparisons with other cities in Brevard County.
See how other cities in Brevard County handle adu rules.
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