Timothy Michael O'sullivan
Engineer · Tim O'sullivan Structural Eng · San Rafael
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeCivil Engineer C-35235First issued Aug 18, 1982, expires Sep 30, 2027.
Source: DCA license roster, retrieved Nov 5, 2026
- Any board discipline?
- None found.
We searched the BPELSG enforcement list on Nov 5, 2026.
- Worked in San Francisco?
- 488 permits since 2002, 488 in the last 5 years. Latest filed Sep 30, 2026.
- What kind of projects?
- Home remodel 123 · Deck, stairs or patio cover 122 · Seismic retrofit or foundation 113
- 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: 123 permits in San Francisco
Time to get a permit
Median from filing to permit, from 116 issued permits filed since 1966. City is the San Francisco median for the same kind of review, from 23,779 permits.
Where
- Noe Valley20
- West of Twin Peaks14
- Sunset/Parkside12
- Mission10
Most recent
- 2772 41st AvNew porch and stair to yard, kitchen remodel, remodel existing bathroom main level and add bathroom at main level.replace 7 windows.Jun 2, 2026Issued
- 826 Haight StRemodel (e) dining room, bathroom, add powder room (toilet+ lav sink) at hall.Apr 7, 2026Issued
- 712 24th AvKitchen, dining, living restore ceilings due to fire damage; replace kitchen cabinets, plumbing, electric upgrade; (e) sunroom post/footing connection/dry rot; add windows not visible from streetMar 10, 2026Issued
- 379 Day StNew master bathroom in existing closet.Mar 10, 2026Complete
- 396 Crestlake DrKitchen and bath remodel: replace in kind except make opening to kichen wider. reinforce existing balcony deck and replace guardrail.Dec 11, 2025Complete
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Nov 3, 2026 | 3666 21st St Replace rear story wood deck and stairs to yard per original permit 8711950 Filed | Revision or supplementType unconfirmed | Filed | — | |
| Sep 30, 2026 | 1867 15th Av Retaining walls at yard to level out yard. Filed | Retaining wall or site work | Filed | — | |
| Sep 29, 2026 | 520 Judson Av Voluntary seismic strengthening Issued | Seismic retrofit or foundation | Issued | Within 1 month | |
| Sep 22, 2026 | 41 Garcia Av Repairs to existing front stairs at entry. replace terazzo to brick steps and risers. match finishes. waterproof. Filed | Deck, stairs or patio cover | Filed | — | |
| Sep 16, 2026 | 297 Richland Av Foundation replacement, seismic upgrade at ground level, eliminate 1 parking garage to storage space, infill garage door, match (e) finishes, add man-door and window. Issued | Seismic retrofit or foundation | Issued | 2 months | |
| Sep 4, 2026 | 3745 Ulloa St Add new bay window at dining room at front elevation on 2nd floor. to remove wall between dining area. to update existing rear house siding to hardie board siding.(color & texture to match existing siding) Filed | AdditionType unconfirmed | Filed | — | |
| Aug 19, 2026 | 281 16th Av Comply with planning notice of complaint#2026-004305 ent to re-install kitchen. Issued | Legalize or fix a violation | Issued | 2 months | |
| Aug 5, 2026 | 1428 Wawona St Retaining walls at yard for landscape Filed | Retaining wall or site work | Filed | — | |
| Aug 5, 2026 | 1081 Kansas St Replace (e) concrete retaining wall @ yard and reinforce (e) retaining wall -cut and new retaining wall. Filed | Retaining wall or site work | Filed | — | |
| Aug 2, 2026 | 1436 Wawona St Replace retaining wall at yard to support landscape Issued | Retaining wall or site work | Issued | 1 month | |
| Jul 28, 2026 | 3819 17th St New storage room at rear of e unit add retain wall, excavate e crawl space Issued | Retaining wall or site work | Issued | Within 1 month | |
| Jul 21, 2026 | 1514 34th Av Verify room legality Filed | Legalize or fix a violation | Filed | — | |
| Jul 15, 2026 | 835 Alabama St Demolish of roof /shed, rebuild 5 ft fence. Issued | Other | Issued | Within 1 month | |
| Jul 14, 2026 | 2037 14th Av Str revision to 202604229878. layout changes on both levels to include closets & rear facing wall w/ wider opening. added grade beams and replaced (e) posts with load bearing wall at lower level. remove exterior spiral stair. re-framed living room roof. add shearwalls at property line walls @ l1. Issued | Revision or supplement | Issued | 1 month | |
| Jun 24, 2026 | 255 Sanchez St Revision to bpa#202510318668 & 202506047908 per district inspector about beam change Issued | Revision or supplement | Issued | 3 months | |
| Jun 23, 2026 | 280 Roosevelt Wy Replace rear-yard wood landscape retaining wall and construct new concrete wall, about 20 feet in length, 5 feet retained height, provide 42-inch tall metal guardrail atop stem. Issued | Retaining wall or site work | Issued | Within 1 month | |
| Jun 10, 2026 | 222 Juanita Wy Partial rear of building foundation replace, girder upgrade at basement, partial excavation at basment (storage) less than 50 cy. Issued | Seismic retrofit or foundation | Issued | Within 1 month | |
| Jun 9, 2026 | 2226 25th Av Plan revision to #202407196864: per inspector request to building framing, add skylight and framing. Issued | Revision or supplement | Issued | Within 1 month | |
| Jun 8, 2026 | 280 Roosevelt Wy New roof deck, 4'x32" side, rear addition, new windows + doors, partition walls. all new 5/8" type x 6wb. Withdrawn | Addition | Withdrawn | — | |
| Jun 2, 2026 | 2772 41st Av New porch and stair to yard, kitchen remodel, remodel existing bathroom main level and add bathroom at main level.replace 7 windows. Issued | Home remodel | Issued | 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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