Skip to content
General ConstructionMissionPermit issued

Home Addition at 370 Lexington St, San Francisco

370 Lexington St, Mission, 94110

Winston

Sinra's conciergeOnline now

Planning general construction work near Mission? I’ll scope it, price it, and line up the right pro.

Reported project cost

$102,920

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

Issued
June 15, 2026
Expires
—
License
—

What was permitted

This permit outlines significant alterations to a single-family home in the Mission district, including front facade improvements. A rear horizontal addition will replace an existing one, creating space for a new bedroom, bathroom, and laundry room.

Issued on June 15, 2026, this extensive alteration project for a 1-family dwelling has an estimated cost of $102,920. McMahon Construction is listed as the contractor.

Plan a similar project

Want work like this done at your place?

Tell us what you have in mind. We scope it, price it against work like this in Mission, and lines up the right contractor. You approve; we handle the back-and-forth.

View the official permit record

Tracking number, work description, cost and dates

Tracking number202605080954
Work permit #—
Job filing number—
Work typeAlterations · 1 Family Dwelling
Statusissued
Job descriptionpursuant to planning approval 2025-002290prj, front facade improvements, demolition of (e) rear horizontal addition, replacement with (n) rear horizontal addition inluding (n) bedroom, (n) bath, (n) laundry room.
Floor / unit—
Estimated cost$102,920
ApprovedJune 15, 2026
IssuedJune 15, 2026
Expires—
BBL—
BIN—

Related searches

home additionMissionSan Francisco1 family dwellingalterationsfacade improvements$102,920