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General ConstructionMissionPermit issued

Building Alterations at 3718 20th St, Mission

3718 20th St, Mission, 94110

Winston

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Reported project cost

$40,000

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

Issued
October 28, 2026
Expires
—
License
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What was permitted

For property owners in the Mission neighborhood, this permit provides a cost reference for alterations to a 2-family dwelling. The work includes demolishing and constructing select walls, revising interior layouts, and replacing doors.

This alteration project for a 2-family dwelling was issued on October 28, 2026, with an estimated cost of $40,000. Mueller Nicholls Inc is the contractor for this work.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number202610280016
Work permit #—
Job filing number—
Work typeAlterations · 2 Family Dwelling
Statusissued
Job descriptionrev202509246036:remove 1 prev wdw from scope.demo & construct select walls prev approved to remain due to substandard (e) framing and/or req'd structural connections.rev interior layout of bath 1b & acces'y rm on 4/f.replcae select doors on front facade in-kind.provide details for ext'r egress.
Floor / unit—
Estimated cost$40,000
ApprovedOctober 28, 2026
IssuedOctober 28, 2026
Expires—
BBL—
BIN—

Related searches

alterationsMissionSan Francisco2 family dwellinginterior remodel$30k-$50k