CheckMyDesigner

David Owen Crestfield

Engineer · Triangle Engineering · San Francisco

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeCivil Engineer C-50629First issued Jul 16, 1993, 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 BPELSG enforcement list on Nov 5, 2026.

Worked in San Francisco?
72 permits since 2003, 72 in the last 5 years. Latest filed Nov 18, 2025.
What kind of projects?
Seismic retrofit or foundation 18 · Deck, stairs or patio cover 18 · Home remodel 9
How long do their permits take?
Seismic retrofit or foundation: 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
94 permits that name David Owen Crestfield, newest first, including 22 revisions or supplements that are not counted. Select a permit to see the full record.
FiledProjectOpen
Nov 18, 2025101 Gough St

Rehabilitation of 21 (e) units & provide 2 new dwelling units including new bathrooms & kitchens.provide new accessible entry and lobby, new finishes throughout, new hvac, plumbing system, electrical system and structural upgrades.

Approved
Feb 25, 2025190 Park St

Voluntary basement seismic retrofit at front building per cebc appendix ch a4

Filed
Feb 24, 2025657 Clay St

Revision to pa 202404190348 to add wall ties to remaining half of 2nd fl. structural revision only

Complete
Aug 9, 2024593 Banks St

Retain (e) foundation & concrete slab & add (n) short cross wall foundation @ (n) garage door grade beam & 2 (n) shear wall. above (e) garage utility rm & middle bedrm add 2nd story include (n) stair to 2nd story, 2 bedrms,1 bath & 2 decks.covert gas to electrical: ev charger, cooktop,hp hvac.

Complete
Jul 26, 202485 Mirabel Av

Revision to bpa# 202303103513: remove the new stair connection north of gird line a from the scope of work. the rest of the project is as proposed per original project.

Complete
Apr 19, 2024657 Clay St

Scope:repair & normal maintenance for in kind replacement of appliances & finishes, providing a utility sink, insulating extg hot water laterals, mech. repairs & hallway ventilation, in kind lighting fixutres & receptacles, new flooring, interior painting, in kind window replacement,

Complete
Jan 24, 20242852 22nd St

Lower garge level slab 12" replace perimeter foundation (81') 50% partial voluntary seismic strengthening

Expired
Aug 15, 20231056 Palou Av

1064-1068 palou/10-unit building: mandatory soft story retrofit, foundation/basement level based on calif (e) building code appendix a-4. crawl space/basement level only.

Complete
Aug 15, 2023734 Kirkwood Av

742-752 kirkwood/10-unit building: mandatory soft story retrofit, foundation/basement level based on calif (e) building code appendix a-4. crawl space/basement level only.

Complete
Aug 11, 20231163 Oakdale Av

Work is only for 10-unit building (1163-1167 oakdale): mandatory soft-story retrofit to foundation/ basement level. ca bldg code appendix a-4. work limit to crawl space/basement level only

Complete
Aug 11, 20231013 Oakdale Av

Work is in 10-unit building at 1013-1017 oakdale. mandatory soft-story retrofit to the foundation/basement level. based on the california existing building code appendix a-4. work limited to the crawl space/basement level only.

Complete
Jun 29, 20231001 Powell St

Owner improvement of 1001 powell includes replacing e restroom with accessible single occupancy restroom,replacement of wall and floor finishes,replacement e light fixtures,power at laundromat,mech rm, storage. accessible entrance provided under 202202228422

Complete
Jun 29, 20231005 Powell St

Add a residential laundry room, adjacent to lounge, for sro tenants of the building on the upper floors of the 5-story building. lounge was permitted under pa# 202204142240.

Complete
Apr 13, 2023121 Randall St

Revision to pa 2022-1228-9224 to voluntarily add shearwall on line a6 and d at garage level; change rear stair foundation detail

Issued
Mar 10, 202385 Mirabel Av

Addition consists of bay windows over sidewalk. widened garage door, new entry, roof deck on 3rd flr facing rear yard. new firewall @ new stair & deck. new hardscape deck @ rear. new stair connection to rear yard terraces & stairs.

Complete
Oct 13, 20221005 Powell St

Partial replacement of footings to correct conditions found during construction under permit #202204142240

Complete
Jul 25, 2022681 12th Av

Revision to bpa# 202110291470. incorporating structural sketches based on existing conditions; foundation cap, stairs support, rear wall ties.

Complete
Apr 14, 20221005 Powell St

To comply with nov#201803424.replace entries.former residential lobby will become sro manager office.reconfigure entry.warp sidewalk to provide landing.add ramp in the office for accessibility.modify(e)storage areas to a trash room, lounge & restroom.mep improvements.infill vault&cover at sidewalk

Complete
Feb 25, 2022768 Jerrold Av

Soft story retrofit per sfebc chapter 4d engineering criteria cebc appendix a-4.

Complete
Feb 25, 20221900 Green St #0

Exterior: replace vinyl windows with wood. front yard landscaping + fence. interior: convert garage to laundry. remove walls in kitchen. remodel basement, 1st fl & partial 2nd fl. remove brick fireplaces.

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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