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
- 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.
Home remodel: 41 permits in San Francisco
Time to get a permit
Median from filing to permit, from 39 issued permits filed since 1966. City is the San Francisco median for the same kind of review, from 10,401 permits.
Where
- West of Twin Peaks6
- Mission5
- Sunset/Parkside3
- Bernal Heights3
Most recent
- 2929 20th AvInterior 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)Apr 4, 2024Complete
- 2929 20th AvInterior remodel to existing sfd. work to include kitchen rennovation, (1) bathroom remodel, (1) new bathroom and window replacements at the side (6) totalMar 21, 2024Complete
- 1760 Union St #0Interior 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 & 2Dec 14, 2023Complete
- 3771 Clay StRemodel (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.Nov 14, 2023Complete
- 729 Congo StInterior remodel of 1-kitchen and 2-baths, installation of a/c and new outdoor shower at level 4 deck.Jun 16, 2023Complete
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Apr 1, 2026 | 900 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 | Addition | Issued | Within 1 month | |
| Mar 19, 2026 | 539 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 | Addition | Complete | Within 1 month | |
| Dec 23, 2024 | 148 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 | Addition | Complete | Within 1 month | |
| Nov 7, 2024 | 3771 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 | Revision or supplement | Complete | 2 months | |
| Aug 1, 2024 | 3771 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 | Revision or supplement | Complete | Within 1 month | |
| Apr 4, 2024 | 2929 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 | Home remodelType unconfirmed | Complete | 3 months | |
| Mar 21, 2024 | 2929 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 | Home remodel | Complete | Within 1 month | |
| Dec 14, 2023 | 1760 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 | Home remodel | Complete | Within 1 month | |
| Nov 14, 2023 | 3771 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 | Home remodel | Complete | 7 months | |
| Sep 20, 2023 | 468 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 | Legalize or fix a violation | Complete | Within 1 month | |
| Jun 16, 2023 | 729 Congo St Interior remodel of 1-kitchen and 2-baths, installation of a/c and new outdoor shower at level 4 deck. Complete | Home remodel | Complete | Within 1 month | |
| May 31, 2023 | 3240 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 | Addition | Complete | 10 months | |
| May 22, 2023 | 149 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 | Revision or supplement | Complete | Within 1 month | |
| Mar 6, 2023 | 1760 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 | ADU | Complete | 6 months | |
| Sep 2, 2022 | 225 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 | Other | Complete | Within 1 month | |
| Jul 14, 2022 | 225 Edgehill Wy New exterior rear decks @ 1st & 2nd floor. replace 1 window @ 1st floor with door for access to new deck. Issued | Deck, stairs or patio cover | Issued | 21 months | |
| May 27, 2022 | 225 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 | OtherType unconfirmed | Withdrawn | — | |
| Jan 26, 2022 | 149 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 | Legalize or fix a violation | Complete | 7 months | |
| Sep 28, 2021 | 221 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 | Other | Cancelled | — | |
| Sep 3, 2021 | 68 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 | Revision or supplement | Complete | Within 1 month |
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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