CheckMyDesigner

David Loren Byrne

Engineer · Imeg · Pinole

Public records

From the licensing board and the city of San Francisco.

The short answer

Licensed?
License activeCivil Engineer C-84773First issued Dec 15, 2015, expires Mar 31, 2028.

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?
9 permits since 2022, 9 in the last 5 years. Latest filed Sep 20, 2024.
What kind of projects?
Commercial or tenant improvement 8 · Other 1
How long do their permits take?
Commercial or tenant improvement: 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.

Commercial or tenant improvement: 8 permits in San Francisco

From 2022 to 2024, latest filed Sep 20, 2024.

Time to get a permit

Theirs
Within 1 month
City
Within 1 month

Median from filing to permit, from 8 issued permits filed since 1966. City is the San Francisco median for the same kind of review, from 14,919 permits.

Where

  • Financial District/South Beach7
  • Mission1

Most recent

Permits
9 permits that name David Loren Byrne, newest first. Select a permit to see the full record.
FiledProjectOpen
Sep 20, 20242727 Mariposa St

1/f: interior ti includes new flooring, wall and ceiling finishes, replace (e) restroom signage tp code compliance all gender accessible signage

Complete
May 9, 2024525 Market St

32/f: tenant improvement - partitions, ceiling, fixtures, and finishes. movable partition. mep deferred.

Complete
May 9, 2024525 Market St

31st fl ti - partitions, floors, existingm, fixtures & finishes. mep deferred

Complete
May 9, 2024525 Market St

Floors 31-32 interconnecting stair only

Complete
Mar 5, 2024525 Market St

30/f-31/f: demo & infill (e) stair between floors 30-31. maher n/a.

Complete
Nov 1, 2023495 Geary St

Replace 2 (e) rooftop cooling towers w/new cooling towers & basin sweep filter, replace 1 (e) basement condeser water pump serving ch-1 chiller w/ new condenser water pump, install new condenser water pump serving basement water source heat pumps.

Complete
Apr 14, 2023525 Market St

20/f: structural work for led display support & suspended lighting @ video production room. ref bpa#202301311040

Issued
Mar 14, 2023525 Market St

Suite 120 on 1/f: t.i, demo of non structural partitions and storefront, and building new non-structural partitions and storefront at building facade. (scope includes 294sf of g/f area back to original wall dimensions per 1973 construction)

Complete
Jul 13, 2022400 Howard St

8/f: interior t.i. - new partitions, doors, finishes and lighting.

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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