Short answer: in Coral Gables a window permit needs design approval from the City Architect or Board of Architects on top of the building review, so the drawings matter as much as the product. Impact windows start at an estimated $800–$2,000 per standard window installed.
A city built to one look
George Merrick laid out Coral Gables in the 1920s land boom, and the city incorporated in 1925 with a plan that called for Mediterranean Revival buildings almost throughout. About 49,000 people live there today, and the city still reviews how new windows change a house's face to the street.
What the city asks for with a window permit
The city's permit requirements for doors, skylights and windows list three sign-offs: City Architect or Board of Architects, Building, and Historical where it applies. The submittal includes:
- a site plan, floor plans and exterior elevations showing every window;
- the number of windows and the frame and glass colors;
- a Florida Product Approval or Miami-Dade NOA for each product;
- site-specific wind load calculations signed by an architect or engineer;
- color photos of the existing conditions, and an HOA or condo letter if one applies.
Inspections cover the window bucks, the anchors and a final building inspection, plus a final historical inspection on designated properties.
Historic homes
Coral Gables adopted its first preservation ordinance in 1973. Locally designated properties need a Certificate of Appropriateness for exterior changes, reviewed by the city's historical resources staff and Historic Preservation Board. Matching the original window pattern, proportions and color is the straightforward route.
What Gables homes usually need
Older Gables houses lean on casement windows, arched tops and French doors that open onto a loggia or patio. Those shapes can all be built as impact units, including round and oval windows, but they take longer to fabricate than a standard rectangle. Plan the design review and the build time together so the permit and the product arrive close to each other.
Prices are estimates. Engineering, design review and custom shapes can add to a Coral Gables job. See the Miami impact window cost guide.