Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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AfterRemodeling Company in Key Biscayne, FL
Home remodeling in Key Biscayne runs $9,000 – $130,000 depending on scope, with most whole-home renovations falling between $45,000 and $130,000. Every project we take on this barrier island must account for the Rickenbacker Causeway’s single access point, marine-grade hardware requirements from omnidirectional salt spray, and flood-zone construction codes that mainland Miami-Dade jobs simply don’t face. We’re Penhallow Remodeling, and our crews coordinate dispatch from our Miami office to serve Key Biscayne homeowners with written prices before any work starts and a 365-Day Done Right Promise on every project. Call (936) 259-2607 to schedule your free estimate.
Our home remodeling work here spans gut renovations of 1960s-era condos along Crandon Boulevard, whole-house updates to single-family homes on interior streets, and structural upgrades to meet current HVHZ standards. Trevor Nash and our team understand that remodeling on this island isn’t just about design; it’s about logistics, salt-air durability, and building methods that hold up where the Atlantic and Biscayne Bay meet.
Why Key Biscayne Homes Are Different
Key Biscayne’s housing stock creates remodeling challenges you won’t find five miles away in Miami. The island’s mid-rise and high-rise condominiums, most built in the 1960s and 1970s, are now hitting Miami-Dade’s mandatory 40/50-year structural recertification timeline, accelerated by post-Surfside legislation. We’ve opened walls in buildings along Crandon Boulevard to find corroded post-tensioned cables and rebar degraded by decades of salt air from every direction simultaneously.
The single-lane Rickenbacker Causeway, running through Bill Baggs Cape Florida State Park, is the only route for every concrete truck, lumber delivery, and dumpster. One drawbridge opening for marine traffic or a weight-limit restriction can strand a crew with no alternative. We schedule critical pours and crane-dependent work around causeway clearance confirmations, not guesswork. Flood-zone requirements add another layer: virtually every ground-level structure sits in FEMA AE or VE zones, mandating elevated foundations and flood-vented or breakaway-wall designs that mainland contractors rarely specify.
Our Main Key Biscayne Services
Key Biscayne homeowners call us most often for kitchen and bathroom renovations within condo units, and for whole-home remodels of single-family properties updating to current hurricane standards. Here is what each service involves on the island.
General Contractor in Key Biscayne
As general contractors here, we coordinate every trade through the causeway’s logistical constraints, from structural steel deliveries that need oversize-load permits to dumpster swaps timed around bridge traffic. We pull Miami-Dade permits for structural recertification work, manage HOA compliance in buildings along Crandon Boulevard, and specify marine-grade fasteners and hot-dip galvanized Simpson ties as standard, not upgrades. Our background-checked, uniformed crews arrive in defined windows, and a live person answers our phones 24/7 to coordinate access. General Contractor in Key Biscayne
Bathroom Remodeling in Key Biscayne
Bathroom remodels in Key Biscayne condos often involve gutting 1970s wet areas with corroded cast-iron drains and original galvanized supply lines, then rebuilding with cement board substrate, waterproofing membranes, and fixtures rated for humid salt-air environments. We install Kohler and Moen valve bodies with marine-grade escutcheon screws, and we source Cambria or Silestone countertops that won’t degrade in high-humidity bathrooms. Every job gets a written price before demolition starts. Bathroom Remodeling in Key Biscayne
Kitchen Remodeling in Key Biscayne
Kitchen remodels here mean designing around existing concrete column layouts in mid-rise buildings, or reconfiguring single-family layouts to open plans while maintaining HVHZ structural continuity. We install KraftMaid and Wellborn cabinetry with hardware that won’t corrode in salt air, and we specify Cambria, Silestone, or Caesarstone countertops for durability. Our written quotes include appliance delivery coordination through the causeway, so you’re not waiting on a range that can’t cross the bridge. Kitchen Remodeling in Key Biscayne
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Home Remodeling in Key Biscayne
Home remodeling in Key Biscayne addresses a specific set of conditions: aging 1960s – 1970s housing stock confronting accelerated structural recertification, omnidirectional salt corrosion that degrades standard building materials faster than on the mainland, and flood-zone construction requirements that affect every ground-level design decision. We specialize in whole-home renovations that bring these properties up to current code while respecting the island’s logistical realities, from causeway-scheduled deliveries to marine-grade hardware specifications that last.
Whole House Remodel
Signs you need it
Your home still has original aluminum wiring, single-pane windows, or a floor plan that doesn’t flow, and you’re facing the 40/50-year recertification process with known structural deficiencies.
What it costs in Key Biscayne
A whole house remodel in Key Biscayne typically runs $45,000 – $130,000, with most projects landing in the $75,000 – $110,000 range depending on structural work, window replacement scope, and kitchen and bathroom count.
How we do it
We start with a structural assessment, pull Miami-Dade permits with HVHZ details, schedule material deliveries around Rickenbacker Causeway windows, and execute in phases so you’re not displaced longer than necessary.
Home Renovation
Signs you need it
Your condo or single-family home functions but feels dated, with worn finishes, inefficient layouts, or systems nearing end of life that don’t yet require full gutting.
What it costs in Key Biscayne
Home renovation projects in Key Biscayne generally fall between $9,000 and $55,000, with targeted room renovations at the lower end and multi-room updates with systems replacement at the higher end.
How we do it
We identify the highest-impact upgrades for your budget, specify salt-air-appropriate materials like James Hardie siding or Therma-Tru doors, and coordinate trades to minimize causeway-crossing trips.
What Home Remodeling Costs in Key Biscayne
| Item | Typical range in Key Biscayne |
|---|---|
| Home Addition | $45,000 – $130,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
How long does a whole house remodel take in Key Biscayne?
Most whole house remodels in Key Biscayne take 4 to 8 months, with causeway logistics and HOA approvals in condo buildings along Crandon Boulevard often adding 2 to 4 weeks compared to mainland schedules. We build these factors into our written timeline before work starts, so you’re not surprised by permit or delivery delays. Call (936) 259-2607 for a project-specific schedule with your free estimate.
Do you handle permits and HOA approvals for condo renovations?
Yes, we pull all Miami-Dade permits and prepare HOA documentation for buildings requiring architectural review, which includes most mid-rise and high-rise properties along the oceanfront and Crandon Boulevard corridor. Our written proposals specify who handles each approval step and the associated timeline, so there’s no ambiguity about responsibility or delay. Call (936) 259-2607 to discuss your building’s specific requirements.
Brands We Service in Key Biscayne
We install and service premium brands selected for salt-air durability and warranty depth: KraftMaid and Wellborn cabinetry, Cambria, Silestone, and Caesarstone countertops, Kohler, Moen, and Grohe fixtures, James Hardie siding, and Therma-Tru entry systems. For ADU and modular additions, we also work with Abodu, Cover, and Dvele. Our Miami office stocks common repair parts for faster turnaround on warranty calls. See our brands for full specifications.
Pricing for Remodeling Company in Key Biscayne, FL
| Service | Typical range in Key Biscayne |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Replacement | $8,000 – $20,000 |
| Metal Roof Installation | $15,000 – $40,000 |
| Paver Patio Installation | $3,500 – $11,000 |
Prices in Key Biscayne run 10 – 20% above mainland Miami-Dade due to causeway logistics, marine-grade material specifications, and flood-zone construction requirements that add steps and specialized hardware to every job. The number in your written proposal is the number on your invoice; we don’t change it once work starts.
Neighborhoods We Serve in Key Biscayne
Our crews work across the full island, from oceanfront condo towers to interior single-family streets, with scheduling coordinated to minimize causeway crossings and respect HOA access rules. Response time is typically same-week for estimates, with project start dates set after written approval and permit readiness.
- Crandon Park area
- Towers of Key Biscayne
- Ocean Village
- Key Colony
- Mashta Point
Service Area – Cities Near Key Biscayne
We serve homeowners throughout Miami-Dade County from our Miami office, with crews regularly crossing to Miami Beach, FL, working inland to Miami, FL, and reaching west to Coral Gables, FL and Hialeah, FL. Every location gets the same written price guarantee, background-checked uniformed technicians, and 365-Day Done Right Promise that defines The Kingswell Way.
Serving Key Biscayne, FL - Our Local Coverage Area
We’re based in the Key Biscayne area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Remodeling Company in Key Biscayne
We confirm Rickenbacker Causeway clearance for every oversize or heavy load, schedule concrete pours and crane work around drawbridge opening times, and maintain buffer days in our timeline for weather or traffic delays that would strand a crew. Our written proposals include these logistics, so you understand why a Key Biscayne timeline differs from mainland schedules.
Yes, virtually all ground-level work requires FEMA-compliant elevation and flood-venting details that we include in Miami-Dade permit applications as standard; condo structural work also triggers 40/50-year recertification documentation that we prepare and submit. Our proposals specify every permit and approval step with associated timelines.
We coordinate with HOA management for elevator reservations, loading dock scheduling, and after-hours noise restrictions in every building we enter, with background-checked crews who arrive in uniform and sign in per security protocols. We build these constraints into our work plan from day one, not as afterthoughts that delay your project.
Ready to talk through your project? Call (936) 259-2607 to schedule your free estimate. We’ll give you a written price before any work starts, a clear arrival window, and our 365-Day Done Right Promise in writing. That’s The Kingswell Way, and it’s how Trevor Nash and our team work on every Key Biscayne job.
What happens when you call
- 1A real person answersNo phone trees - talk to a local construction pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Key Biscayne Customers Say
"We'd been burned by a contractor before who disappeared halfway. Penhallow finished on time and stood behind everything. The written price gave me peace of mind the whole way."
- Simone Clarke"Gutted and redid the master bath. They gave me a schedule and actually stuck to it. Any time there was a choice to make they called me instead of guessing. Love the result."
- Kayla Benton"Kitchen and dining room opened up into one space. They were honest about which wall could come down and which couldn't, no sugarcoating. Dust was kept way down with plastic everywhere."
- Oscar Benitez