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Jason Park Langkammerer

Architect · At6 Architecture · San Francisco

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeArchitect C-28796First issued Jan 4, 2002, expires Aug 31, 2027.

Source: DCA license roster, retrieved Nov 5, 2026

Verify on DCA License Search

Any board discipline?
None found.

We searched the California Architects Board enforcement list on Nov 5, 2026.

Worked in San Francisco?
97 permits since 2003, 97 in the last 5 years. Latest filed Apr 1, 2026.
What kind of projects?
Home remodel 41 · Addition 17 · Commercial or tenant improvement 16
How long do their permits take?
Home remodel: within 1 month. City typical for the same review: within 1 month.

Permits filed each year

San Francisco permits by the year they were filed. The last 5 years are in blue.

What are you planning?

Pick your kind of project to see their permits for it.

Permits
112 permits that name Jason Park Langkammerer, newest first, including 15 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
Apr 1, 2026900 Clayton St

Remodel to include 153 sf addition at floor 3 with flat service platform above and 61 sf addition at level 1 garage. all within (e) footprint. (n) windows at level 3 at rear facade and lightwell, replace (1) door at level 2 rear, 2 window sashs at level 3 front , 1 skylight and bathroom remodel, (n)

Issued
Mar 19, 2026539 Noe St

Remodel upper unit at existing 2 unit dwelling. work to include 60 sq ft addition at level 2 (upper unit) with new bathroom plus a kitchen renovation.

Complete
Dec 23, 2024148 Highland Av

114 sf addition at lvl 1. convert 30 sf of unconditioned garage space to conditioned living space, kitchen & bathroom renovation including filling in lightwell at level 2. lvl 2: new door & windows & replacing 1 door lvl 1: rear facade replacing (1) door. add 2 skylights. n)furnance & tankless w/h

Complete
Nov 7, 20243771 Clay St

Revision to pa#202311140775, install new prefabricated juliet balcany at level 2, within building setback and 5' from property line. additional roof framing at level 2. install new rear deck at level 1, within bldg setback

Complete
Aug 1, 20243771 Clay St

Revision to permit 202311140775 to address dbi issued correction notice dated 7/22/24 regarding new scope fo demolition. revision includes replacement in kind of 1st and 2nd level southwest corner demo and reframe blind wall, floor systems & roof per plans.all work under this permit shall be clouded

Complete
Apr 4, 20242929 20th Av

Interior remodel to (e) sfd: 1 bathroom remodel, convert a portion of garage to conditioned space (179 sf). seismic upgrades to ground fl. (note: all work at lvl 2 & exterior under 202403218358)

Complete
Mar 21, 20242929 20th Av

Interior remodel to existing sfd. work to include kitchen rennovation, (1) bathroom remodel, (1) new bathroom and window replacements at the side (6) total

Complete
Dec 14, 20231760 Union St #0

Interior renovation @ unit 1; work includes (1) bathroom and (1) kitchen renovation; (n) air handler serving unit 1; (n) tankless water heaters serving unit 1 & 2; (n) laundry closets at unit 1 & 2

Complete
Nov 14, 20233771 Clay St

Remodel (e) kitchen renovation, (3) bathroom renovations, window replacements at rear and sash replacements at front elevation, (3) skylights at (e) openings. (n) heating and water heater upgrades. minor 'fill in' at level 1 under.

Complete
Sep 20, 2023468 Hazelwood Av

To comply w/nov# 202303882, repair inkind (e) structure after major fallen tree damage, replaris includes rebuilding a portion of the rear wall,replacing the roof inkind, replacing 3 damaged windows & 1 door, no upgrades to structure beyond replacement/rebuilding in-kind. bathroom reno inkind & elec

Complete
Jun 16, 2023729 Congo St

Interior remodel of 1-kitchen and 2-baths, installation of a/c and new outdoor shower at level 4 deck.

Complete
May 31, 20233240 25th St

Addition to level 1. work to include 2 (n) bedrooms, bath, and laundry closet at level 1. (n) roof deck at level 2.

Complete
May 22, 2023149 Hartford St

Revision to address complaint# 202305617 & pa# 202209162629, structural upgrades include new underpinned footing at east wall, new concrete slab at lvl1, new sistered footing along south property line wall at location of lowered slab, new floor framing @ lvl2 & new 2x10 roof framing.

Complete
Mar 6, 20231760 Union St #0

Convert 660 sf of (e) garage to (n) adu under the state program. (n) deck at rear w/ stairs to rear yard and crawl space below. 1 (n) window & 1 (n) sliding glass door at level 1, adu.

Complete
Sep 2, 2022225 Edgehill Wy

Window replacement of non-original fiberglass units at front (south) and side (east) facade with new (n) metal windows same size, in-kind. max u-factor 0.30 or better. total of (3).

Complete
Jul 14, 2022225 Edgehill Wy

New exterior rear decks @ 1st & 2nd floor. replace 1 window @ 1st floor with door for access to new deck.

Issued
May 27, 2022225 Edgehill Wy

Partial replacement, in kind of (e)hipped roof reframing at rear of building (north + north east elevation) front door replacement. window replacements. window replacements at rear and weat side (no impact on public right of way). interior renovation of existing kitchen including removal of interior

Withdrawn
Jan 26, 2022149 Hartford St

Legalization of unauthorized dwelling unit at level .work includes upgrades related to fire safety requirements to meet current codes.add (1)layer of 5/8" gypsum board at garage ceiling,fire tape(e) gypsum board at garage walls & install (1) smoke detector & (1)carbon ~encrypt&~encrypt&~encrypalarm.

Complete
Sep 28, 2021221 Arbor St

Replace siding and 6 windows at northeast and 1 window at southeast facade, replace all finishes and fixtures at bathroom at level 2

Cancelled
Sep 3, 202168 Richardson Av

Revision to bpa#201803052884. remodel kitchen & (1) bathroom, add (1) window @ 2/f, (1) window @ 3/f, revise skylight hatch @ roof, & front security gate.

Complete

Sources: DataSF i98e-djp9, 3pee-9qhc, retrieved Nov 5, 2026. Names on permits are matched to licenses by license number and name; unmatched records are not shown.

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