Electrician Serving the Middle Keys
Conch Key to Long Key, across both KEYS and FKEC territory. Licensed electrician Middle Keys crews handle panel upgrades, generator installs, marina power, and ground-up commercial builds.
- FL Lic. EC13004515
- Generac Authorized Dealer
- In Business Since 2009
- 55 Licensed Electricians
Licensed, Certified, and Keys-Based Since 2009
Keys-Based Crews Across the Middle Keys
Crews from Key West and Summerland Key, covering residential, commercial, generator, and marina scope.
Dispatched From Both Sides
Our Key West office at 3255 Flagler Ave covers Marathon and the lower stretch of the Middle Keys. The new Summerland Key headquarters at 25000 Overseas Highway puts crews 40 to 50 minutes from Marathon, with a two-story stocked warehouse for same-trip parts.
55 Licensed Electricians, Full-Scope Work
Our team of 55 trained and licensed electricians handles everything from a $1,000 panel swap on a Grassy Key home to ground-up commercial new construction in Marathon. State license EC13004515, Florida-certified since 2009 with 15+ years serving the Keys. We're a full service electrical contractor covering residential, commercial, generator, and marina scope.
Problems We Solve
Problems Middle Keys Property Owners Face
The four problems below are the ones that cost time and money across the Middle Keys.
KEYS vs. FKEC Service Coordination
Service upgrades and new drops stall when the wrong utility gets contacted. We coordinate with whichever one owns your feeder and run constant communication with both KEYS Energy and FKEC so meter sets and energization stay on schedule.
- Service-drop coordination with FKEC
- Service-drop coordination with KEYS
- Meter set and energization timing
Marathon vs. Monroe County Permits
Marathon proper runs its own portal; the surrounding islands go through Monroe County. Pulled wrong, a permit costs weeks. Our team handles permit routing through both jurisdictions to streamline the approval process.
- City of Marathon plan review
- Monroe County Building Department
- Contractor registration in both
Older Panels and Service Equipment
Older or undersized panels show up across the Middle Keys housing stock, often during remodels or insurance work. Salt air accelerates corrosion on outdoor panels and service equipment. We handle panel upgrades under permit and provide electrical repairs on corroded service masts and meter bases with precision installation.
- NEC-compliant panel replacement
- Service-mast and meter-base upgrades
- GFCI and AFCI corrections
Storm-Season Backup Power
Hurricane season turns a missing generator into a multi-day outage. Homes and businesses across the Florida Keys rely on backup power when grid service drops. We install Generac standby systems before peak demand and provide pre-season testing to ensure your system starts when needed. Our electricians handle special requests for load prioritization and transfer-switch configuration.
- Generac standby installation
- Transfer switch and load planning
- Pre-season service and testing
What We Do
Service Options Across the Middle Keys
Residential Electrical
For homeowners across the Middle Keys handling remodels, panel upgrades, or new construction. Covers circuit breaker upgrades, GFCI, underground wiring, smart-home lighting control, landscape and low-voltage lighting, and full electrical packages on high-end custom builds. Our electricians provide troubleshooting on older wiring systems and electrical repairs on storm-damaged service equipment. HVAC disconnect and circuit work is handled under the same license.
Commercial New Construction
For general contractors and developers on ground-up projects. Full electrical and low-voltage scope: main services, switchgear, busway, underground ductbanks, site lighting, full fire alarm, and bi-directional amplifier (BDA) systems. Industrial facilities and multi-family complexes handled under the same license. Our team brings 15+ years of commercial work across the Florida Keys to every job.
Generator Sales and Installation
For property owners preparing for hurricane season. Generac Authorized Dealer for sales, service, and installation. Sizing, transfer-switch planning, permit routing, and post-install service on both residential and commercial standby systems. We provide load calculations and ensure your backup power system meets NEC requirements. Our company handles generator installations from quote through final inspection.
Marina and Waterfront
For marina operators, charter fleets, and waterfront property owners. Dock-pedestal power, shore-power, fuel-dock-area electrical, site lighting, and marine-rated service equipment specified for salt-air exposure. Our electricians handle marina electrical installation and repairs on dock pedestals and shore-power systems.
Why Choose Us
Why Middle Keys Property Owners Choose Check Electric
KEYS and FKEC Fluency
The Middle Keys is split. KEYS Energy serves Key West to the Seven Mile Bridge with more than 28,000 customers. FKEC takes over at Knight Key and runs north. We coordinate with whichever utility owns your feeder, so service drops and meter sets don't stall at the energization step. Our team has years of experience working with both across residential, commercial, and industrial projects.
Full-Scope Capacity, $1K to $12M
Same crews handle a $1,000 GFCI service call and a $12 million ground-up build. We've delivered full electrical and low-voltage packages on 200+ unit complexes, hotels, marinas, and private island resorts. License EC13004515, state-certified and insured.
Generac Authorized Dealer
We're the Generac Authorized Dealer for sales, service, and installation across the region. Sizing the unit, planning the transfer switch, pulling the permit, and servicing the system afterward all sit with one electrical contractor instead of three. Property owners trust a single point of contact from quote through final inspection.
Our Process
How a Project Moves From Call to Final Inspection
- 01
Send a Service Request
Call (305) 292-3369, email check@checkelectricllc.com, or submit the homepage form. We respond within one business day for standard requests. Emergency calls route after hours.
- 02
Scope Review and Quote
For residential and generator work, we quote from the request details. For commercial projects, we run a precon review covering scope, schedule, utility, and permit jurisdiction before pricing. Our electricians provide detailed scope breakdowns so you know what's included.
- 03
Permit Routing and Utility Notification
City of Marathon for jobs inside city limits; Monroe County for unincorporated Middle Keys islands. We submit electrical applications and notify FKEC or KEYS based on the address. Code compliance is handled through the AHJ from permit to final.
- 04
Installation Around Inspection Cadence
City of Marathon performs MEP inspections only Mondays, Wednesdays, and Fridays per the city's published schedule. We sequence installs so each one lines up with the next available window. Our electricians coordinate inspection timing to keep your project on schedule.
- 05
Final Inspection and Energization
Once the AHJ signs off and the utility energizes the service, we walk through the system with you, hand over documentation, and schedule any follow-up service. Project completion is confirmed at energization.
Pricing
What Electrical Work Costs in the Middle Keys
Every quote covers materials, labor, permit routing, and utility coordination at reasonable rates for the Florida Keys market.
Two Tiers of Scope
Pricing runs on two tiers. Small service work in Marathon and across the Middle Keys typically runs $1,000 to $20,000 depending on scope. Ground-up and large commercial projects scale from $100,000 to $12 million.
Residential Service Call
$1,000 - $5,000. Includes diagnosis, parts, and labor.
Panel or Service Upgrade
$3,000 - $20,000. Includes permit, install, and inspection.
Generator Install (Generac)
Quoted by load. Includes sizing, transfer switch, and permit.
Commercial Project
$100K - $12M. Full scope, precon to handoff.
Islands We Cover
Middle Keys Communities We Serve
Our crews cover the Middle Keys from Conch Key in the south to Long Key in the north.
Coverage Area
Conch Key to Long Key
Don't see your community? Give us a call.
- Conch Key
- Grassy Key
- Vaca Key
- Key Colony Beach
- Boot Key
- Sombrero Beach area
- Curry Hammock area
- Long Key
- Layton
- Crawl Key
Work We've Completed Nearby
Past Work in the Middle Keys
See our commercial project portfolio.

Coco Vista
Marathon · Ground-Up Residential Development
Coco Vista was a multi-building residential development constructed across two sites.

Happy Landings Marina
Marathon · Marina and Waterfront Electrical Infrastructure
Check Electric completed electrical improvements at Happy Landings Marina, supporting dockside power and the operational needs of a waterfront property.
Frequently Asked Questions
Middle Keys Electrician FAQs
- Do I need a permit for electrical work in Marathon?
- Yes for most service-affecting work. Marathon runs its own permit portal and requires contractors to be registered with both the City and Monroe County for jobs inside city limits. Panel swaps, service-equipment changes, generator installs, and new branch circuits all require permits. Same-day service repairs and like-for-like replacements often do not. We confirm the permit path during the quote so the scope and schedule line up with the right AHJ.
- Do you give free quotes for Middle Keys electrical work?
- Yes. We provide free quotes on residential service work and generator installs, and full precon proposals on commercial projects. Pricing is scope-based, not flat-rate. Small service work in the Middle Keys typically runs $1,000 to $20,000, and ground-up commercial work runs $100,000 to $12 million. Every quote covers materials, labor, permit routing, and utility coordination. Call (305) 292-3369 or use the contact form to start.
- Do you serve outside Marathon, like Duck Key, Grassy Key, and Long Key?
- Yes. Our Middle Keys coverage runs Conch Key to Long Key. Coverage includes Duck Key, Grassy Key, Vaca Key, Boot Key, Key Colony Beach, Sombrero Beach, Curry Hammock, Layton, and Crawl Key. Crews dispatch from our Key West office and from the new Summerland Key headquarters. If your project sits just outside the listed communities, call us anyway. We handle Upper Keys work case by case from the same dispatch.
- Who handles electric service in Marathon, KEYS or FKEC?
- It depends on the mile marker. Keys Energy Services (KEYS) serves Key West to the Seven Mile Bridge, including more than 28,000 customers. Florida Keys Electric Cooperative (FKEC) takes over at the east end of the Seven Mile Bridge and covers Marathon, Key Colony Beach, Layton, and north through the Upper Keys. For service upgrades or new drops in the Middle Keys, the right utility depends on your exact address. We confirm and coordinate.
- What payment methods do you accept?
- We accept check, ACH transfer, and major credit cards on most service work. Commercial projects run on contract terms set during the precon and bid phase, with progress billing tied to project milestones. Financing on residential generator installs runs through Generac's authorized financing partners; ask during the quote and we'll route you to the current options.
- What's covered if something goes wrong after the job?
- All work is performed by Florida state-certified electricians under license EC13004515 and meets current NEC standards as inspected by the AHJ. On generator installs, the equipment carries Generac's manufacturer warranty, and we handle warranty service as the Authorized Dealer. If a question comes up on completed scope, call us and the same crew that performed the install is the crew that comes back out to look at it.
- What happens if I'm not satisfied with the work?
- Call the office at (305) 292-3369 or email check@checkelectricllc.com. The crew that performed the work returns to walk the scope with you. If something doesn't match the agreed quote or the inspection-signed plan, we correct it. Larger commercial issues escalate to the project manager assigned during precon. We've operated in the Florida Keys since 2009 with 55 licensed electricians on staff, which means there's always a crew available to follow up.
- How do I get started on a Middle Keys project?
- Call (305) 292-3369, email check@checkelectricllc.com for residential and general inquiries, or Admin@checkelectricllc.com for commercial projects. The homepage form routes service requests directly to the dispatcher. Standard requests get a response within one business day; emergency calls route after hours. For commercial work, we'll schedule a precon walk before pricing. Request a service today to start the conversation.
Talk Through Scope Before Inspection Day Slips
Marathon inspections run Monday, Wednesday, and Friday. Across the Middle Keys, planning early keeps your project on schedule.
Next Steps
Contact Our TeamLicensed & Insured — Ready 24/7 Across the Florida Keys and Southwest Florida