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General ConstructionLone Mountain/USFPermit issued

Major Home Remodel and Addition at 441 Baker St, San Francisco

441 Baker St, Lone Mountain/USF, 94117

Winston

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Reported project cost

$1,052,970

As declared on the permit filing. Additions & Alterations · 1 Family Dwelling.

Issued
August 11, 2026
Expires
—
License
—

What was permitted

Homeowners in the Lone Mountain/USF neighborhood can see the scope of a significant home renovation project at 441 Baker Street. This permit covers an interior remodel, a lower-level square footage addition, and foundation and seismic upgrades for a single-family dwelling.

The project, issued on August 11, 2026, involves lowering and partially converting a two-car tandem garage into living space, including a bedroom, bathroom, living area, and kitchenette. The estimated project cost for this extensive remodel is $1,052,970, with Elemento Builders Inc. listed as the contractor.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number202512262684
Work permit #—
Job filing number—
Work typeAdditions & Alterations · 1 Family Dwelling
Statusissued
Job descriptioninterior remodel,reconfiguration,lower level square footage addition,foundation & seismic upgrade.slab of(e)lower level 2-car tandem garage to be lowered and partially converted to interior living space with bedroom/bath,living space &kitchenette.
Floor / unit—
Estimated cost$1,052,970
ApprovedAugust 11, 2026
IssuedAugust 11, 2026
Expires—
BBL—
BIN—

Related searches

home additioninterior remodelseismic upgradegarage conversionLone Mountain/USFSan Franciscosingle-family dwelling$1M+ project