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General ConstructionInner RichmondPermit issued

Foundation Replacement & Seismic Upgrade at 646 04th Av, Inner Richmond

646 04th Av, Inner Richmond, 94118

Winston

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Reported project cost

$96,000

As declared on the permit filing. Alterations · 2 Family Dwelling.

Issued
May 11, 2026
Expires
—
License
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What was permitted

Homeowners in San Francisco's Inner Richmond can see the scope of a recent foundation replacement and full seismic upgrade project for a two-family dwelling. This extensive work focused on the existing first floor, which will remain as garage and storage space, with a slab in the rear storage area being lowered by 12 inches.

This significant alteration project was issued on May 11, 2026, with an estimated cost of $96,000. The permit was issued to M N Construction for this comprehensive structural improvement.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number202605040603
Work permit #—
Job filing number—
Work typeAlterations · 2 Family Dwelling
Statusissued
Job descriptionfoundation replacement & full seismic upgrade of existing 1st floor( to remain as garage & storage), slab in rear storage to be lowered 12", no habitable space proposed.
Floor / unit—
Estimated cost$96,000
ApprovedMay 11, 2026
IssuedMay 11, 2026
Expires—
BBL—
BIN—

Related searches

foundation replacementseismic upgrade2 family dwellingInner RichmondSan Franciscoalterations$96,000