Impact Window and Door Cost in Miami: What 5,749 County Filings Show

Impact windows and doors are the other big hurricane purchase after a roof. The county records show what homeowners in unincorporated Miami-Dade actually declared for them.

What the records show

From November 2025 through October 2026, 5,749 impact window and door jobs were filed on houses in unincorporated Miami-Dade County. The middle job was valued at $12,262, meaning half were valued above that and half below. The middle half of jobs fell between $6,249 and $20,000. The work was filed by 748 different companies.

Why the values spread

Window jobs range from a single entrance door to a whole-house set of impact windows and sliders, and both are filed the same way. That is the main reason the range is wide. The number of openings, the size of sliders, and frame material move the price more than anything else.

One caution: the value in these records is the declared value written on the permit when the job was filed. It is not a quote and not the final bill. The real cost can land higher or lower.

How to use the middle value

Treat $12,262 as a reference point, not a price. If a quote is far below the $6,249 to $20,000 range, ask what is left out. If it is far above, ask for a written breakdown. Then check that the company has filed similar jobs near you recently.

How we counted

• Source: Radar's permit database, built from Miami-Dade County building department records (permits issued by the County, which means unincorporated Miami-Dade). It does not include cities with their own building departments (City of Miami, Hialeah, Coral Gables, Miami Beach, Homestead and others). Data as of 2026-11-04.
• Coverage: permits issued 2025-11-02 to 2026-10-31. Every month in the window has filings (no gap): 2025-11 366, 2025-12 451, 2026-01 422, 2026-02 412, 2026-03 553, 2026-04 504, 2026-05 508, 2026-06 510, 2026-07 543, 2026-08 497, 2026-09 451, 2026-10 532.
• Which permits count: County BLDG permits with no master permit whose short description names windows or doors (garage doors excluded); roofing, new-construction and addition permits excluded; residential (ResidentialCommercial R), single-family or duplex use, issued 2025-11-01 to 2026-10-31.
• Values: EstimatedValue kept if 1000 <= value <= 250000; null/zero/outside excluded from value stats only. 5,547 of 5,749 permits had a usable value. Median and middle half (25th to 75th percentile) use those.
• What the value is: the declared permit valuation, not the final price.
• Groups with fewer than 20 permits are not shown. No homeowner names or addresses are used.