Underground Wiring for Florida Keys Properties
You need underground wiring in the Florida Keys that handles salt-air corrosion, sits right with Monroe County floodplain rules, and clears KEYS or FKEC review without surprises. Our electricians run the permit, the trenching, and the utility hand-off as one job.
- State-Certified EC #EC13004515
- Generac Authorized Dealer
- Serving the Florida Keys since 2009
- 55 electricians covering the Keys
Local Ground, Local Rules
Based in the Keys, Built for Floodplain Work
Monroe County sits in a coastal floodplain with base flood elevations between 6 and 17 feet. Engineering for floodplain conditions is essential to every underground electrical job we scope.
Based in the Keys, Built for Floodplain Work
Our Key West office runs underground wiring from Stock Island to Key Largo with crews who work the local floodplain every week. NOAA records 40.44 inches of annual rainfall locally with 65% falling June through October, which changes how feeds are designed, sealed, and elevated above grade.
Navigating Keys Utility and Permits
Underground electrical service in the Keys splits between two utilities: KEYS Energy from Key West to the Seven-Mile Bridge, and FKEC north of there. Plan review, trench inspection, and energization each route differently, and Monroe County permits sit on top of utility approval. Our team handles every submission and develops the permit package to match utility requirements.
Problems We Solve
How Deep Does Underground Wire Need to Be Buried?
Searchers also ask whether you can run power underground to a detached garage. The answers depend on conduit type, load, depth, and which utility serves your address.
Dock, Lift, and Garage Feeds
Residential direct-bury feeds for detached garages, boat lifts, and dockside outlets need the right wire type and depth for wet locations.
- Dock and lift circuits for residential properties
- Detached garage subpanel feeds
- Boathouse and outbuilding power distribution
Floodplain and Hurricane Risk
Underground feeds in the Keys are designed for water, not around it. Safety starts with sealed terminations and above-BFE equipment mounting. Power reliability depends on proper elevation and sealing.
- Sealed conduit terminations
- Above-BFE panel and equipment mounting
- Hurricane-rated trench and backfill methods
Permit and Utility Coordination
KEYS Energy serves more than 28,000 customers from Key West to the Seven-Mile Bridge, and every new underground service in that territory needs its own plan review. We handle Florida Keys permit submissions, utility paperwork, and inspection scheduling.
- Monroe County permits submission
- KEYS Energy or FKEC plan coordination
- Inspection scheduling and corrections
Landscape and Well Pump Runs
Long runs to landscape lighting, irrigation pumps, and well pumps need voltage drop math, not guesswork, especially on the deeper Keys lots. Control circuits for HVAC condensers and pool equipment also route underground on many properties.
- Landscape light circuits
- Well pump and irrigation feeds
- Pool equipment and detached lighting
Your Options
Four Ways We Run the Feed
Direct-Bury for Short Runs
Direct-bury USE-2 or UF-B cable handles shorter residential feeds where the cable can sit at code depth in undisturbed soil. It's the cleanest path for landscape lighting circuits, well pumps, and short runs to detached structures when conduit isn't required by the load or location.
Conduit for Docks and Garages
PVC or rigid conduit is the right call for dock power, boat lifts, garage feeds, and any run near water, paving, or future excavation. Conduit lets us pull new conductors later, protects against root and salt damage, and meets wet-location requirements for dockside circuits.
Utility Service Lateral
The lateral from the utility transformer to your meter is its own scope, with utility-specific rules on depth, conduit, warning tape, and termination. We coordinate plan review with KEYS or FKEC so the lateral is approved before we trench.
Flood-Elevated System
For properties at or near base flood elevation, the underground feed routes to panels, disconnects, and equipment mounted above BFE. We design the entry, sealing, and elevation so the underground portion stays compliant and the equipment above stays dry.
Why Choose Us
One Team From Permit to Energization
Permit to Utility, One Team
We run the full scope: Monroe County permit prep, KEYS or FKEC plan review, trenching, inspection scheduling, and final energization. KEYS plan review typically runs 5 to 7 business days, and we sequence trench work so crews aren't waiting on paperwork. One point of contact, start to sign-off.
55 Licensed Electricians, Keys-Based
Our team of 55 licensed electricians works the Florida Keys daily, not on a fly-in basis. That depth means we can staff dock feeds, residential laterals, and full project scopes the same week, with crews who already know local inspectors, utility coordinators, and the soil and salt conditions on coastal lots. Training includes NEC compliance and floodplain work.
Generac Authorized Dealer for Storm Prep
When the underground feed ties into a standby generator, we handle the installation under our Generac Authorized Dealer status. Sales, service, and the transfer switch tie-in all sit with one team, so hurricane-season prep doesn't fragment across vendors.
Our Process
Site Visit to Sign-Off
- 01
Schedule Site Visit
We walk the property, measure the run, check soil and floodplain conditions, and confirm the utility serving your address. Site visits across the Keys are typically scheduled within a few business days.
- 02
Submit Permits and Utility Review
We prepare the Monroe County permits package and the KEYS or FKEC plan review. Plan review usually runs 5 to 7 business days on the utility side. Compliance documentation is submitted with every application.
- 03
Trenching and Install
Crews trench to code depth, install conduit or direct-bury cable, set warning tape, and route conductors with the floodplain in mind. Most residential trench and installation scope wraps in 2 to 4 days.
- 04
Schedule Inspection
We schedule the Monroe County inspection and stage the trench so it can be inspected before backfill. Corrections, if any, get handled same-week so the project doesn't sit open.
- 05
Energize and Sign-Off
Once inspection passes, the utility energizes the lateral or service feed and we walk the final connections with you. You get the closeout paperwork and we close the permit.
Coverage Area
Key West to Key Largo
We're located in Key West with crews throughout the area, serving residential and commercial customers across the Lower Keys, Middle Keys, and Upper Keys.
- Key West
- Stock Island
- Big Pine Key
- Summerland Key
- Cudjoe Key
- Ramrod Key
- Marathon
- Key Colony Beach
- Islamorada
- Tavernier
- Key Largo
- Plantation Key
FAQs
Underground Wiring Questions
- How much does underground electrical wiring cost in the Florida Keys?
- Cost depends on run distance, load, trench conditions, conduit type, and which utility approval is needed. A short direct-bury landscape circuit on a residential lot prices differently than a 200-amp service lateral that needs KEYS or FKEC plan review and a Monroe County permit. The biggest drivers are total trench length, depth and soil conditions (coral rock vs. fill), conductor size for the load, whether conduit is required, and how much utility coordination the job involves. We price every job after a site visit so the estimate matches actual scope, not a square-foot guess.
- Do you offer free estimates for underground wiring?
- Yes, our electricians provide free estimates after a site visit to measure the run and confirm scope. We walk the property, identify the panel and termination points, check soil and floodplain conditions, and confirm whether KEYS or FKEC serves the address. The estimate covers materials, labor, trenching, Monroe County permits, and utility coordination as line items so you can see what drives the number. If the project later needs a permit extension, Monroe County currently charges $250 for a 180-day extension on an active permit.
- What if I'm just outside your listed neighborhoods?
- Our underground wiring crews work the full Florida Keys and Southwest Florida, so addresses outside the listed neighborhoods are usually still in service area. If you're between Key West and Key Largo, or in the Naples to Fort Myers corridor on the Southwest Florida side, send us the address and we'll confirm same-day. Edge cases like very remote keys or limited-access properties may need a phone walkthrough first so we can scope trench access and utility routing before scheduling a site visit.
- Can you run power underground to a detached garage in the Keys?
- Yes, detached garage feeds are one of the most common residential underground jobs we run. The standard scope is a subpanel in the garage fed from the main panel through buried conduit or direct-bury cable, sized for the load you plan to run (lift, tools, EV charger, lighting). Most detached garage feeds need a Monroe County permit and an inspection before backfill, and we handle both. Distance, load, and trench path drive the design.
- What payment options do you accept?
- We accept standard payment methods including check and major credit cards. For residential underground work, payment is typically structured as a deposit at scheduling and the balance at completion. For larger commercial or new-construction scope, our team can walk you through milestone billing tied to permit approval, trench completion, inspection, and energization.
- What warranty applies to underground wiring?
- Manufacturer warranties on conductors, conduit, and equipment apply per product, and we register them at closeout. That coverage does not extend to damage from third-party excavation, storm events outside design parameters, or unpermitted modifications to the installed work. Installation is performed by state-certified electricians under License # EC13004515, and KEYS plan review and Monroe County permit approval are part of the closeout package alongside as-builts showing depth and routing.
- What happens if I'm not satisfied with the work?
- Call our office and ask for the project director, and we'll schedule a re-visit to walk the work with you. If something isn't right, we'd rather hear it directly than have it sit. Where a correction is needed — a design change, added scope, or third-party damage — our team scopes it transparently and quotes it before any work resumes.
- How do I get started with underground wiring?
- Send a message through our contact form or call (305) 292-3369 to schedule a site visit. Share the property address, what you want to power (detached garage, dock, landscape, well pump, service upgrade), and any timeline constraints. We'll confirm whether KEYS or FKEC serves the address, schedule the site visit, and follow up with a written estimate covering trench, conduit, conductors, permits, and inspection. From estimate sign-off to energization, most residential underground projects wrap in 2 to 4 weeks depending on permit and utility windows. Hurricane season runs June through November, so booking in January through May gives you the widest crew availability.
Ready for a Safer, Flood-Ready Underground Feed?
Avoid delays. Book before hurricane season. Our electricians coordinate permits, utilities, and floodplain requirements across the Florida Keys.
Next Steps
Contact Our TeamLicensed & Insured — Ready 24/7 Across the Florida Keys and Southwest Florida