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Killian O'sullivan

Architect · O'sullivan Architecture · San Francisco

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeArchitect C-30355First issued Sep 13, 2005, expires Sep 30, 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?
32 permits since 2006, 32 in the last 5 years. Latest filed Aug 26, 2026.
What kind of projects?
Home remodel 18 · Addition 11 · Deck, stairs or patio cover 2
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: 18 permits in San Francisco

From 2006 to 2026, latest filed Aug 26, 2026.
Permits
35 permits that name Killian O'sullivan, newest first, including 3 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
Aug 26, 2026195 San Leandro Wy

Pool removal & interior remodel to (e) second kitchen.

Issued
Mar 15, 2026293 Jersey St

2-story horizontal addition at the rear and side. kitchen remodel and new powder room on 2/f. new bedroom and remodeled bathrooms on 3/f. removed powder and enclosed laundry on 1/f. new front door and openings.

Issued
Jun 24, 2022195 San Leandro Wy

New photovoltaic solar panels; new painted metal gutters matching profile of (e) degraded wood gutters; removal of existing unreinforced brick chimney; new ac shingle roof

Reinstated
May 12, 20221505 Dolores St

Horizontal addition at rear of (e) house including kitech remodel, added work room, bathroom & home office. (n) rear deck & stairs. (n) roof deck.

Complete
Dec 7, 2021195 San Leandro Wy

1st fl: powder, kitchen, breakfast, laundry, dining & family rm renovated; powder & storage added. door & window to atrium added, door to side yard added. 2nd fl: (3) baths renovated, bath & laundry room added, closets removed & closet. (3) skylights added, (2) skylights removed. update mech & ele

Complete
Aug 2, 20212475 Harrison St

Horizontal addition at 3rd flr. (n) rated window at prop-line at north side on 2nd flr. 2 (n) bedrms, (n) bath & (n) laundry at 3rd flr. enlarged fam rom, kitchen & dining rm, (n) powder rm & storage rm

Complete
Feb 3, 202120 Eastwood Dr

Remodel kitchen & bathroom, add new bath at upper/main level. add new stairs to (e) lower level. new office & bedroom at lower level with new space at family room infill under (e) bay. 42 sq ft added w/ 470 sq ft increase to conditioned space.

Complete
Dec 14, 20201505 Dolores St

New enclosed storage room at location of part of existing garage/storage space on 1st floor. new outlets at existing shed and new gas line for future connection at kitchen.

Expired
Dec 14, 2020564 Liberty St

New powder room at main level. new closets & bathroom at existing bedroom at upper level. new skylight at upper level bathroom. electrical upgrades at area of work & adjacent areas. gas line for future furnace. structural work associated w/these improvements.

Expired
Jun 17, 2019572 Liberty St

(n) closet and bathroom at (e) bedroom. (n) non- structural partitions. update to lighting and power at closet and (e) bedroom. new skylight, lighting and power at new bathroom. no change to envelope.

Complete
Sep 18, 201735 Alma St

(n)horizontal addition to the rear of (e) single fam home. enlarge kitchen and (n) powder on the main level, (n) master bed on the upper level and a (n) bed and bath on the lower level. (n) roof deck with access skylight to be built along with (n) deck and access stairs @ garden level.

Complete
Aug 29, 20172261 Cecilia Av

Remodel of (e) two story house - no change to building envelope: at lower level project will consist of a (n) bathroom & family rm. (e) bedrm & bath are to be moved. (e) overhang below upper level to be infilled for garage door. (n) rear deck and stairs to be constructed as shown on plans.

Complete
Dec 1, 2016572 Liberty St

New horizontal addition to rear at(e) lower level. add a new bathrm, fam rm bedrom & storage. new rear decks & stairs to be built at the main (2nd) level & lower (1st) level. new landscaping @ rear yard, no change at upper level or to street elevation

Cancelled
Nov 21, 20161056 Cole St #0

New bathroom at location of existing closet and bedroom, update tub in (e) bathroom.

Complete
Aug 24, 2016572 Liberty St

New closets at extg bedrooms. new non-structural partitions and removal of extg non-structural partitions. update to lighting, power and finishes at extg bedrooms.

Complete
May 1, 2014533 Noe St

Renovation of existing single family house, renovate bathroom includes enclosing of (e) lightwell, not visible from adjacent properties, add a new bathroom at an (e) closet, enlarge (e) closet, new parapet adjacent to new skylight.

Issued
Mar 15, 201236 Alma St

Changes to upper unit of 2 unit bldg. new master bath & closet @ (e) room. renovate and revisions to existing split bath. new opening between dining & living room. relocate washer/dryer to (e) laundry. no change to area of unit. no habitable space at garage level. new skylight @ new maser bath.

Complete
Dec 7, 2011572 Liberty St

New vertical addition at existing kitchen -no square footage added - updated kitchen with new powder room at main (2nd) level. updated bathroom with new windows at upper level. vertical addition will not add to overall height.

Complete
Jul 22, 20111505 Dolores St

Revision to pa #201103152107: conversion of e permitted space under permit pa #201103152107 to habitable space; new family room, home office, bath to be added. no change to exterior envelope.

Complete
Mar 30, 2011302 Eureka St

2nd fl: ex laundry room to be converted to home office with new double pane exterior doors, windows and skylight existing bath to be converted to home office. existing wc to be converted to powder room with n handwash basin. new lighting added, e bldg envelope to remain.all 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.

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