A THOUGHTFUL HOME STARTS WITH A PLAN

San Diego windows: check flashing before assuming an exemption

Compare the actual window installation method with San Diego’s conditional exemption and no-plan route before accepting a same-size replacement proposal.

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Questions covered in this guide

Local considerations

In San Diego, retain an opening schedule that pairs each quoted product with the proposed installation method. This provides a concrete record for resolving the review route before ordering and for reassessing later scope changes.

An installation-method comparison exposes why equal window counts can produce different bids. The owner records unanswered questions while leaving product suitability and permitting determinations to the project professional and city.

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Same size does not settle the permit question

San Diego's Bulletin 203 makes its window exemption conditional on unchanged exterior flashing and rough openings, and no applicable fire-resistance or fire-zone requirement, for specified residential buildings. Historic-property exceptions also apply. It separately describes a no-plan route for same-size, same-type replacement. Ask the project professional to identify the applicable route for your exact scope.

Have the installer describe the method

For each opening, ask what stays, what comes out and which surrounding surfaces will be disturbed. Request an explanation in ordinary language, supported by the proposed installation detail where available. Put frame retention, exterior water protection and interior finishing on separate lines. If two bidders describe different methods, resolve that difference before treating their totals as prices for the same project.

Create a window-by-window question sheet

Number the openings and record the room, current operation, proposed product and visible condition concerns. Add columns for the installation method, permit determination and person responsible for confirmation. Mark questions that require a site visit rather than filling gaps with assumptions. A contractor should explain how hidden damage would be documented, priced and reviewed if the installation scope changes after removal.

Release the order with a consistent scope

Check that the order sheet, contract and confirmed review route describe the same work. Ask for a written revision if a product or method changes. Verify the actual jurisdiction; this guide concerns the city, not every San Diego mailing address or the entire county. The window calculator offers a national planning range. It does not assess flashing condition, establish fire-zone applicability or certify a permit exemption. Take the completed question sheet into your next estimate appointment so the price corresponds to an understood installation.

Sources and supported claims

San Diego’s window exemption for specified homes depends on unchanged flashing and openings and no applicable fire-resistance or VHFHSZ requirement; historic exceptions apply.
Source ↗ · place · Checked 2026-10-12

Bulletin 203 separately lists same-size, same-type window replacement for the no-plan building-permit route.
Source ↗ · place · Checked 2026-10-12

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