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General ConstructionWest of Twin PeaksPermit issued

Medical Clinic Addition & Alteration at 299 West Portal Ave, San Francisco

299 West Portal Av, West of Twin Peaks, 94127

Winston

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Reported project cost

$1,108,500

As declared on the permit filing. Additions & Alterations · Clinics-Medic/Dental.

Issued
August 28, 2026
Expires
—
License
—

What was permitted

Homeowners in the West of Twin Peaks neighborhood can see the significant investment in local healthcare with this permit for a medical clinic. This project involves a change of use and minor expansion, including the creation of office-based surgical spaces.

This substantial tenant improvement project, with an estimated cost of $1,108,500, was issued on August 28, 2026. Heneghan Developers Llc is listed as the contractor for this extensive clinic build-out.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number202509235912
Work permit #—
Job filing number—
Work typeAdditions & Alterations · Clinics-Medic/Dental
Statusissued
Job descriptionchange of use tenant improvement & minor expansion (nw eleveation). (n) retail health services ophthalmology clinic & relocated retail & personal services. (n) office based surgical spaces shall operate under license of dr's & is not subject to review by hchi (oshpd) nor as an asc.
Floor / unit—
Estimated cost$1,108,500
ApprovedApril 24, 2026
IssuedAugust 28, 2026
Expires—
BBL—
BIN—

Related searches

clinic constructiontenant improvementmedical clinicSan FranciscoWest of Twin Peaksadditions and alterations$1M+ project