CheckMyDesigner

Tristan U Warren

Architect · Tristan Warren Architect · Fairfax

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeArchitect C-31785First issued Nov 4, 2008, 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?
25 permits since 2005, 25 in the last 5 years. Latest filed Mar 20, 2026.
What kind of projects?
Home remodel 10 · Deck, stairs or patio cover 6 · Addition 4
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
28 permits that name Tristan U Warren, newest first, including 3 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
Mar 20, 20263042 Octavia St

Voluntary seismic bolt and brace framing basement level garage. tradsmen's alley and storage units. 6 walls, anchor bolt and hold-down framing to concrete fndn with epoxy glue. install plywood sheating adn type x sht rock w/clips at top of plywood connecting to framing. install plywood gussets @ top

Complete
Sep 10, 2025529 Hickory St

Repair to property entry way stairs associated with sidewalk improvement (dpw permit 25ie-00064)for utility between 523 and 529 hickory street. this repair is associated with portion of stairs in contact with sidewalk (finish at sides lower tread and riser), less than 50% repair. street visible.

Complete
Sep 10, 2025527 Hickory St

Repair to property entry way stairs associated with sidewalk improvement (dpw permit 25ie-00064)for utility between 523 and 529 hickory street. this repair is associated with portion of stairs in contact with sidewalk (finish at sides lower tread and riser), less than 50% repair. street visible.

Complete
Sep 10, 2025525 Hickory St

Repair to property entry way stairs associated with sidewalk improvement (dpw permit 25ie-00064)for utility between 523 and 529 hickory street. this repair is associated with portion of stairs in contact with sidewalk (finish at sides lower tread and riser), less than 50% repair. street visible.

Complete
Oct 16, 202413 Ora Wy

Alteration of the extg house: primary bath remodel, alteration of an extg interior stair. and the addition of windows and door to the lower level at the rear yard elevation, and conversion of about 750 sq ft basement to conditioned space.

Filed
May 24, 202478 Fortuna Av

Revision to pa# 2023-0629-1218 structural revisions made in response to existing site conditions discovered during construction. add skylight not visible from street.

Issued
May 13, 2024276 30th Av

Adding trellis to (e) deck at rear of property

Complete
Apr 26, 20241101 Greenwich St #5

Addition of entry security gate set back 11 feet from street. addition of electrical keypad to power gate lock

Issued
Mar 6, 2024529 Hickory St

Revision to pa# 202209192682. basement window revision.

Expired
Mar 6, 2024525 Hickory St

Revision to basement windows, basement bath modifcation, modification to kitchen door & windows.

Expired
Dec 11, 20233676 21st St

Proposed project is a 3 story elevator. elevator will extend from the garage (1st fl) to the 3rd floor. the elevator is to be located in the garage on the 1st floor and infill a portion of the existing lightwell on the 2nd and 3rd floors.

Cancelled
Jun 29, 202378 Fortuna Av

Interior alteration including new partitions and structural walls, exterior replacement of doors, windows and finishes. replace existing spiral and deck stairs w/required code upgrades. rear yard deck-replacedecking and any damaged/rotted framing

Complete
Sep 23, 2022276 30th Av

Remodel upstairs-expand master closet and bathroom into master bedroom, expand 2nd bathroom. add wall for halway into back bedroom, change closet configuration, new floors, paint/wallpaper.

Complete
Nov 24, 2021276 30th Av

Update kitchen cabinets and island add bedroom, bathroom and exercise room in garage. replace post in proposed garage bedroom with metal beam.

Complete
Sep 25, 20201026 Carolina St

Detached rear building - project consists of a remodel and patio infill on an existing 557 sf cottage at the rear of the property, not visible from the street. excavation of the basement creates 383 sf of new habitable space. new interior stair. attached 76 sf level deck is replaced with 67 sf deck.

Withdrawn
May 12, 202051 Sussex St

Revision to pa #2019-0806-8020: reduction in scope. remove (n) skylight over stairs and foyer alteration from permitted project scope during construction to reduce project cost.

Complete
Apr 27, 20181945 08th Av

New sloped roof & dormer to replace existing flat roof at existing attached garage

Complete
Feb 15, 201844 Robblee Av

2nd story deck addition-200 sq ft

Issued
Dec 5, 2017319 Castenada Av

Replace (e) garage doors with new. adjust door location and size & provide (n) structural shear wall panels at either end & remove finish on interior demising wall.

Complete
Sep 26, 201744 Robblee Av

Alteration including: new bedroom & bath in (e) unfurnished ground fl, remodeling (e) kitchen & bath on upper floor. new mechanical forced air heating & water heater & minor alteration to closet adjacent bath. new windows at rear.

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.

Are you Tristan U Warren? Request a correction.