CheckMyDesigner

Kathryn Briggs

Engineer · Base Design · San Francisco

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeStructural Engineer S-5732First issued Jan 31, 2012, expires Dec 31, 2026.

Source: DCA license roster, retrieved Nov 5, 2026

Verify on DCA License Search

Any board discipline?
None found.

We searched the BPELSG enforcement list on Nov 5, 2026.

Worked in San Francisco?
231 permits since 2015, 231 in the last 5 years. Latest filed Oct 22, 2026.
What kind of projects?
Home remodel 81 · Addition 40 · Seismic retrofit or foundation 40
How long do their permits take?
Home remodel: 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
315 permits that name Kathryn Briggs, newest first, including 84 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
Oct 22, 20262231 29th Av

Infill roof above lightwell and enclose tunnel entrance. provide new front door, 2 new skylights and 3 new windows(not street facing). remodel 2 existing bathroom and remove interior staircase. add laundry room.

Filed
Oct 13, 202646 Marcela Av

Deferred submittal for structural under permit 202609087783.

Issued
Oct 7, 20262455 Jackson St

Comply nov #201888993: legalize wwop - lightwell infills,deck infills and reconfig of roof. new work: vert/horiz addition at rear of building. addition of rear stairwell for rear yard access. restore and remodel (e) 5 units.

Filed
Oct 1, 2026271 09th Av

Revision to pa 202607014458 provide geogrouting at adjacent property in lieu of installing replacement footing @ property line in sections

Issued
Sep 30, 2026267 09th Av

Geogrouting requested by inspector. provide geogrouting along south property line for replacment of footing @ 271 9th ave per 202607014458

Issued
Sep 29, 2026554 Mangels Av

Replacement of existing retaining walls at rear yard

Filed
Sep 16, 20261723 35th Av

G/f: add 1 adu, 805sf adu 1-bed. remodel 2/f including 2 beds, 1 bath, 1 powder rm, kitchen and living area. add 3/f including laundry room, offie and master suite. add rear deck and spiral stair from 2/f to rear yard.project is subject to ab112 all-electric ordinance.

Filed
Sep 4, 2026610 Fillmore St #0

Strenghten/replace (e) foundations and voluntary seismic retrofit of the ground floor using plywood shear walls.

Filed
Aug 6, 2026159 Beaver St

Revision to pa#202507160911: structural repairs at rear concrete retaining wall. waterproofing at existing rear retaining wall.

Issued
Jul 27, 20262677 California St

Interior remodel at kitchen and bathrooms: converting (e) bath and toilet rooms into 2 full baths, kitchen in new location (n) opening at kitchen wall, in kind windows replacements (not street visible) and new bath #3

Issued
Jul 21, 20261262 46th Av

Revision to bpa:202510207736- at rear southeast corner, step in south and west exterior walls in 6" @ 1st floor and add 1 skylight.

Issued
Jun 24, 20261424 Alabama St

Revision to permit 202603117382 to include underpinning of existing foundation where slab on grade is being lowered

Issued
Jun 3, 202649 Woodland Av

Res. addition & remodel. rear horizontal addition at 1st & 2nd fl. new windows & doors at rear & 3 new skylights. new finishes throughout. hvac, plumbing, & electrical work. rear yard area new retaining walls & patio area.

Approved
Jun 2, 20263950 Clay St

Floor 1, renovate (e) gameroom, utility and bathroom. add powder room (no exterior work).

Filed
Jun 1, 2026329 Eureka St

Interior remodel and rear horizontal extension. new deck over rear extension.

Issued
May 21, 20261858 Union St

Revision to 202604239938, new framing of bathroom floor and walls

Issued
May 18, 20261333 Columbus Av

Erect 4-story, type 3a, mixed-use building, 3-residential units and 1-commercial.

Filed
May 14, 202640 Clifford Tr

Convert attic space into habitable space, add two dormers. attic space will add 1-bedroom and 1-bathroom. add fire sprinklers to entire bldg.

Approved
May 6, 202683 Seward St

Renovation of 1/f unit to rebalance size of bedrooms. window moved in light well to increase natural light in rear bedroom. existing eero window to remain untouched. renovation of 2/f unit. kitchen and bathroom only. removed one skylight. added two.

Issued
May 1, 202660 Stonecrest Dr

Removal of interior wall between kitchen & dining room

Issued

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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