Impact Door Installation Cost: South Florida Pricing Guide

Why Cost Ranges Are So Wide

What Makes Impact Door Pricing So Confusing?

Three quotes, three very different numbers — here is why.

Homeowners shopping for impact doors in Miami-Dade or Broward regularly see quotes that vary by $1,500 or more for what sounds like the same job. The confusion usually comes down to four things: door configuration, HVHZ product specification, structural scope, and permit fees — and most competing quotes bury or omit at least one of these.

A contractor who quotes you a door price without confirming whether the unit carries Miami-Dade Notice of Acceptance (NOA) is quoting you a product that may not pass inspection in HVHZ. A contractor who omits the permit fee is setting you up for a surprise. Understanding each cost component before you compare quotes is the only way to shop fairly.

Miami-Dade & Broward Context

HVHZ: The Code Layer That Changes Everything

South Florida is not the same as the rest of Florida — and the code reflects that.

Miami-Dade County and Broward County sit inside the High-Velocity Hurricane Zone (HVHZ) — the strictest residential building code jurisdiction in the United States. Under the Florida Building Code, any impact door installed in HVHZ must carry a valid Miami-Dade Notice of Acceptance (NOA) or an equivalent Florida Product Approval issued for HVHZ use. A door unit that is code-legal in Orlando or Tampa may not be legal in Miami.

That code distinction traces directly to Hurricane Andrew in 1992, after which Florida overhauled its building code and formalized the HVHZ standard. According to FEMA, wind-borne debris — not wind pressure alone — is a leading cause of building envelope failure in hurricanes, which is exactly what large-missile impact testing is designed to address. That testing rigor is why NOA-approved door units go through a more demanding third-party protocol. Fewer product lines qualify, which limits competition and typically raises the per-unit cost 10–20% compared to non-HVHZ-rated equivalents. If a quote you received does not specify the NOA number or product approval for the door being proposed, ask — or assume it is not HVHZ-rated.

Cost Breakdown

What Does Impact Door Installation Actually Cost in South Florida?

Use the table below as a directional starting point. All figures reflect installed cost (product + labor + standard hardware) for typical residential projects in Miami-Dade and Broward. Permit fees, structural work, and specialty finishes are itemized separately.

Note: these are directional market ranges, not Bigfoot fixed-price guarantees. Your actual cost depends on door size, opening condition, structural scope, and permit fees. Use our online estimator for a more project-specific starting point.

If your project involves widening an existing opening, adding a new structural header, or modifying load-bearing walls, that scope falls under general contracting work. As a Certified General Contractor (CGC1531370), Bigfoot can handle structural modifications in-house — homeowners do not need to hire a separate GC and coordinate two contractor schedules. That structural scope is priced and permitted as part of the same project.

On a recent Miami-Dade single-to-double conversion, we removed a 3/0 entry unit in a CBS wall, cut and widened the opening, set a new precast header, and installed an NOA-approved double French unit — all under one permit and one crew. The structural scope was the reason the final number landed well above a straight door swap, and that is exactly the kind of line item a glazing-only quote tends to leave out.

Configuration Comparison

Single Door vs. Double French vs. Sliding Glass — Which Is Right?

When a single door is the better fit: If your opening is already sized for a single door, your budget is fixed, and you simply need a code-compliant HVHZ-rated replacement — a single impact entry door is the most cost-efficient path. Bigfoot handles single-door replacements as a complete project. We are never too small for a one-door job.

Product Guidance

What Kind of Impact Door Should You Specify in South Florida?

Aluminum frames. NOA-bearing units. Correct finish for your location.

For South Florida conditions — heat, humidity, salt air, and hurricane-force wind loads — aluminum frames are the experience-based recommendation. Aluminum is more time-tested in HVHZ environments than other frame materials. Where energy efficiency is a priority, thermally broken aluminum frames add a thermal barrier without sacrificing the structural performance aluminum is known for. Per the U.S. Department of Energy, exterior doors and their frames are a meaningful source of heat gain and air leakage, which is why a thermal break matters in a cooling-dominated climate like Miami-Dade (energy.gov).

Glass thickness matters too. Standard impact doors use 5/16″ or 7/16″ laminated glass. Wide sliding glass door units — like the Mr. Glass Series 1000 SGD — come standard with 9/16″ glass, which is the appropriate thickness for large openings and high-rise-capable installations. Frame depth does not change when you upgrade glass thickness, a detail that surprises many homeowners comparing product specs.

If your home sits within two miles of the water, your door unit must use a 2605 coastal finish on the aluminum frame. Specifying a 2604 (wood grain) finish in a coastal zone voids the manufacturer’s 10-year product warranty — confirm this with your contractor before signing anything.

Learn more about impact door options and configurations available through Bigfoot.

Process & Permits

How the Impact Door Installation Process Works

Understanding the steps helps you evaluate whether a quote you received is complete.

1. Measure and product selection: Confirm rough opening dimensions, wall construction type (CBS vs. wood frame), and product approval requirements. HVHZ jobs require NOA confirmation before ordering.
2. Permit application: Bigfoot pulls the permit. In Miami-Dade and Broward, impact door replacements require a building permit — no exceptions under the Florida Building Code. Permit fees vary by county and project valuation but typically run $150–$600 for a standard residential door replacement.
3. Product delivery and installation: Door units are installed by our crew. Structural work, if needed, is performed in-house under the Certified General Contractor license.
4. Building department inspection: A licensed inspector signs off that the installation meets HVHZ code. This is not optional and is part of what legitimizes your wind mitigation documentation afterward.
5. Wind mitigation report: After a qualifying installation, a licensed inspector can issue an updated wind mitigation report. This is the document that supports an insurance premium review with Citizens or a private carrier.

If you are in a historic district, additional approvals from the local historic preservation board may be required before a permit is issued. This adds time — sometimes 4–8 weeks — and should be factored into your project timeline. Confirm with your contractor before you sign a contract.

Insurance & Savings

Will an Impact Door Lower My Homeowners Insurance?

Possibly — but the answer depends on your carrier, your current policy, your home’s existing opening protections, and whether a licensed wind mitigation inspector confirms the installation qualifies.

Florida Citizens Insurance offers windstorm mitigation credits for homes with impact-rated openings. If your home currently has unprotected doors and you replace them with NOA-approved impact units, a post-installation wind mitigation report can support a premium review. The amount of savings varies by home, carrier, and how many openings are now protected — we cannot quote a specific dollar figure, and any contractor who does should raise a flag.

The My Safe Florida Home program offers matching grant funding of up to $10,000 for qualifying wind-mitigation improvements, subject to program funding and eligibility. Impact doors and windows are qualifying improvements. You can learn more at mysafeflhome.com. If financing is part of your plan, explore PACE and other financing options that can spread the cost over time without requiring bank credit approval.

Who We’re Not the Right Fit For

• Buyers who need the absolute lowest price and cannot prioritize code compliance: HVHZ-rated, NOA-approved door units cost more than non-rated alternatives. If your only criterion is lowest installed price, we are probably not your contractor — and neither is anyone who cuts that corner legally in Miami-Dade.
• Projects requiring licensed trades we do not hold — electrical, plumbing, or HVAC work adjacent to the door scope: we will be direct about what is in our lane and what requires a separate subcontract.
• Buyers who want a same-week install without a permit: Every impact door replacement in Florida requires a permit. We pull permits on every job. If a contractor offers to skip the permit to save time or money, that is an unlicensed practice that puts your insurance coverage and resale title at risk.
• Commercial or high-rise projects requiring Series 350 Mr. Glass units: The Mr. Glass 350 series is rated for residential use only. High-rise and commercial applications require different product specifications — we will tell you that upfront rather than spec the wrong unit.