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Home Rewiring · Florida
Rewiring replaces old branch-circuit wiring, such as knob-and-tube, ungrounded cloth-insulated cable or 1960s–70s aluminum branch wiring, with modern grounded copper cable. It can be done room by room, and an electrician will tell you which circuits matter most.
Florida has some of the highest lightning activity in the country, and hurricane season makes surge protection and generators routine.
Across the Southeast, homes deal with heat, humidity, frequent thunderstorms and hurricane season near the coast. Permit offices, utilities and housing stock differ by city, which affects how home rewiring is planned and scheduled. These local guides cover the Florida cities where we have written specific notes.
Seminole Heights and Hyde Park hold many of Tampa's bungalows and early-1900s homes, and some still have knob-and-tube or cloth wiring mixed with later circuits. Florida insurers often ask about wiring age, and some decline older systems, which is a common trigger for rewiring.
Utility: Tampa Electric (TECO)
College Park, Thornton Park and Lake Eola Heights hold many of Orlando's bungalows and early-1900s homes, and some still have knob-and-tube or cloth wiring with circuits added over the decades. Florida insurers often ask about wiring age, which is a common reason to rewire.
Utility: OUC in the city (city-owned); Duke Energy in much of the metro
Riverside, Avondale and Springfield have some of Jacksonville's oldest homes, many from the early 1900s, and they can still contain knob-and-tube, cloth-insulated wiring or a mix of eras. Rewiring is commonly done during restoration, when walls and floors are open.
Utility: JEA (city-owned)
North Hill and East Hill hold many of Pensacola's historic homes, from Victorians built during the lumber boom to 1920s bungalows, and some still have knob-and-tube or cloth wiring alongside later circuits. Humid air and termites can damage old insulation in crawl spaces and attics.
Utility: Florida Power & Light (FPL, formerly Gulf Power)
Some of Fort Lauderdale's older homes in Victoria Park, Colee Hammock and Rio Vista date from the 1920s to the 1950s, and their wiring may include cloth cable, ungrounded outlets or aluminum branch wiring added in the 1960s and 1970s. Florida insurers often ask about wiring type and age, and some decline older systems, which is a common reason to rewire.
Utility: Florida Power & Light (FPL)
The Old Northeast and Historic Kenwood are full of bungalows and Mediterranean Revival homes from the 1910s to the 1930s, and many still have knob-and-tube or cloth wiring mixed with later circuits. Florida insurers often ask about wiring age, and some decline older systems.
Utility: Duke Energy Florida
The Duckpond and Pleasant Street historic districts hold some of Gainesville's oldest homes, from the late 1800s to the 1930s, and some still have knob-and-tube or cloth wiring with circuits added over the decades. Humidity and termites can damage old insulation in crawl spaces and attics.
Utility: Gainesville Regional Utilities (GRU, city-owned)
Frenchtown and the older neighborhoods near downtown Tallahassee hold some of the city's oldest homes, and some still have cloth wiring, knob-and-tube or circuits added piecemeal over the decades. Mid-century homes may have aluminum branch wiring, which Florida insurers often ask about.
Utility: City of Tallahassee Utilities (some outlying areas: Talquin Electric Cooperative)
El Cid, Flamingo Park and Northwood are full of Mediterranean Revival and Mission-style homes from the 1920s Florida land boom, and many still have cloth-insulated wiring, ungrounded outlets or circuits added piecemeal over the decades. Florida insurers often ask about wiring age, and some decline older systems, which is a common reason to rewire.
Utility: Florida Power & Light (FPL)
Dean Park and the homes along McGregor Boulevard include some of Fort Myers' oldest houses, built in the early 1900s, with original or patched wiring, and mid-century homes may have aluminum branch circuits Florida insurers question. Homes that flooded during Ian often had wiring replaced only up to the flood line, leaving older wiring above.
Utility: Florida Power & Light (FPL)
Laurel Park and Gillespie Park hold some of Sarasota's oldest homes, bungalows from the 1910s and 1920s with original or patched wiring, and mid-century homes may have aluminum branch wiring that Florida insurers question. Rewiring often follows a four-point inspection or a renovation.
Utility: Florida Power & Light (FPL)
1. Assessment
Wiring type, condition and circuit layout are documented.
2. Plan and permit
Circuits are prioritized and the work is permitted.
3. Rewire
New cable is fished through walls and ceilings with minimal openings.
4. Inspection and patching
Rough-in and final inspections, then wall openings are closed.
Electricians set their own prices; local permit fees and utility requirements add to these factors.
Permits come from the city or county where the home is. For example: Tampa: Inside city limits, electrical permits come from the City of Tampa's Construction Services Division; unincorporated areas are permitted by Hillsborough County, and Temple Terrace and Plant City run their own. Orlando: Inside city limits, electrical permits come from the City of Orlando's Permitting Services; unincorporated areas are permitted by Orange County, and Winter Park and other cities run their own. Jacksonville: Jacksonville and Duval County share a consolidated government, and electrical permits come from the City of Jacksonville's Building Inspection Division. Pensacola: Inside city limits, electrical permits come from the City of Pensacola's inspection services; unincorporated Escambia County has its own. Fort Lauderdale: Electrical permits in Fort Lauderdale come from the city's Development Services Department; other Broward cities have their own. Saint Petersburg: Electrical permits in St. Petersburg come from the city's building and permitting office; other Pinellas County cities and unincorporated areas have their own. Gainesville: Electrical permits inside city limits come from the City of Gainesville's building division; Alachua County handles unincorporated areas. Tallahassee: Electrical permits inside the city come from the City of Tallahassee's growth management department; unincorporated Leon County has its own. West Palm Beach: Electrical permits inside city limits come from the City of West Palm Beach's development services; Palm Beach County handles unincorporated areas. Fort Myers: Electrical permits inside city limits come from the City of Fort Myers' community development department; Lee County handles unincorporated areas. Sarasota: Electrical permits inside city limits come from the City of Sarasota's building department; Sarasota County handles unincorporated areas.
Tampa: Tampa Electric (TECO). Orlando: OUC in the city (city-owned); Duke Energy in much of the metro. Jacksonville: JEA (city-owned). Pensacola: Florida Power & Light (FPL, formerly Gulf Power). Fort Lauderdale: Florida Power & Light (FPL). Saint Petersburg: Duke Energy Florida. Gainesville: Gainesville Regional Utilities (GRU, city-owned). Tallahassee: City of Tallahassee Utilities (some outlying areas: Talquin Electric Cooperative). West Palm Beach: Florida Power & Light (FPL). Fort Myers: Florida Power & Light (FPL). Sarasota: Florida Power & Light (FPL).
No. Many homeowners rewire in phases, starting with kitchens, baths and bedrooms.
Aluminum branch wiring can overheat at connections. Approved repairs (such as rated connectors) or replacement reduce the risk; an electrician can advise which fits.
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