David Clifton Mar
Engineer · Tipping-Mar Structural Eng · Berkeley
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeStructural Engineer S-3951First issued Feb 10, 1995, expires Mar 31, 2028.
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?
- 19 permits since 2005, 19 in the last 5 years. Latest filed Oct 19, 2026.
- What kind of projects?
- New building 11 · Commercial or tenant improvement 2 · Retaining wall or site work 2
- How long do their permits take?
- New building: 12 months. City typical for the same review: 5 months.
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.
New building: 11 permits in San Francisco
Time to get a permit
Median from filing to permit, from 10 issued permits filed since 1966; 1 still in review. City is the San Francisco median for the same kind of review, from 1,064 permits.
Where
- Bayview Hunters Point3
- South of Market2
- Twin Peaks1
- Mission1
Most recent
- 356 West Clarendon RdTo erect 6 stores, no basement, type iii-a / i-a, 159 units senior residential housing.Oct 19, 2026Triage
- 2970 16th St100% affordable permanent supportive housing, 9-stories, type 1-a. 136-units. 65% studio & 35% 1-bedrooms. ground flr will house resident service offices, shared common areas, wellness clinic, and a secured outdoor courtyard. 2/f provide community laundry room & terrace. units lvl 2-9.Jun 11, 2025Issued
- 3433 V 03rd St #0To erect 2 story, no basement, type v-b, union meeting hall & office building. (a-3,b,s-2)Nov 12, 2024Complete
- 1501 Sunnydale AvSunnydale block 3a (lot 3)-priority 100% housing project. to erect 5-story, 4 stories of type 5 over 1 story of type 1, mixed use bldg with child center, retail, restaurants, wellness center and 80 residential units.Jun 3, 2021Complete
- 730 Stanyan StNew 8-story building containing 175,426 square feet of residential uses above 12,556 square feet of ground floor commercial uses on vacant lot. the project will provide 160 100% affordable housing rental units.Mar 31, 2021Complete
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Oct 19, 2026 | 356 West Clarendon Rd To erect 6 stores, no basement, type iii-a / i-a, 159 units senior residential housing. Triage | New building | Triage | — | |
| Aug 1, 2025 | 429 Castro St Priority project as approved in 202402296854. revise 202402296854, 202503172376 for architectural, structural, and mep changes, including trench details, doors, steel details, sanitary and sewer piping, fixture counts, mechanical grilles, circuits plus emergency lighting Issued | Revision or supplement | Issued | Within 1 month | |
| Jun 11, 2025 | 2970 16th St 100% affordable permanent supportive housing, 9-stories, type 1-a. 136-units. 65% studio & 35% 1-bedrooms. ground flr will house resident service offices, shared common areas, wellness clinic, and a secured outdoor courtyard. 2/f provide community laundry room & terrace. units lvl 2-9. Issued | New building | Issued | 3 months | |
| Nov 12, 2024 | 3433 V 03rd St #0 Excavation, fill & grading of site located at 3433-03rd street in preparation for new construction of carpenter's union hall & offices. Withdrawn | Retaining wall or site work | Withdrawn | — | |
| Nov 12, 2024 | 3433 V 03rd St #0 To erect 2 story, no basement, type v-b, union meeting hall & office building. (a-3,b,s-2) Complete | New building | Complete | 4 months | |
| Feb 29, 2024 | 429 Castro St Priority: renovation & addition to historic castro theater.floor system w/an access. path to the platform,(n)organ lift & organ cover,(n)hvac system,thetrical system upgrades & electrical,fire alarm, lighting & plumbing upgrades.addition installed over(e)foundations includes(n)dressing rms & restrms Issued | Addition | Issued | 7 months | |
| Jan 26, 2024 | 351 Friedell St Priority processing** mayoral ed-13-01: 100% affordable housing - revised scope of work inclues revision to superstructure for ats system design and revised calculations. refer to delta 4 & 5 for tracked changes. reference pa# 2019.10.08.3919 s1. Complete | Revision or supplement | Complete | 2 months | |
| Jan 19, 2024 | 151 Friedell St Mayoral ed-13-01: 100% affordable housing - revised scope of work inclues revision to superstructure for ats system design and revised calculations. refer to delta 4 & 5 for tracked changes. reference pa# 2019.10.08.3908 s1. Complete | Revision or supplement | Complete | 2 months | |
| May 25, 2023 | 99 Grove St Renovate (e) polk st banquet hall on 1st flr, new wall system supporting decorative perforated metal panels/acoustic materials, new acoustic t-bar ceiling/lighting, accessibility upgrades to (e)men's/women's restrooms. no work to (e) mechanical/plumbing systems. Issued | Commercial or tenant improvement | Issued | Within 1 month | |
| Dec 30, 2022 | 525 05th St Priority process per ab004 - comply with n.o.v 200447529. interior renovation of existing city-owned building. scope includes sidewalk replacement, new partitions, ceilings, and doors. mep work, alterations at commercial kitchen, and minor structural. Issued | Legalize or fix a violation | Issued | 11 months | |
| Jun 22, 2021 | 2340 San Jose Av Install and use of tower crane at project site- 2340 san jose ave. reference project application # 201807033677 Complete | Revision or supplementType unconfirmed | Complete | 4 months | |
| Jun 3, 2021 | 1501 Sunnydale Av Sunnydale block 3a (lot 3)-priority 100% housing project. to erect 5-story, 4 stories of type 5 over 1 story of type 1, mixed use bldg with child center, retail, restaurants, wellness center and 80 residential units. Complete | New building | Complete | 14 months | |
| Mar 31, 2021 | 730 Stanyan St New 8-story building containing 175,426 square feet of residential uses above 12,556 square feet of ground floor commercial uses on vacant lot. the project will provide 160 100% affordable housing rental units. Complete | New building | Complete | 21 months | |
| Oct 19, 2020 | 600 07th St To erect a 8-story, type 1b, mixed use bldg with 221 residential unit, no basement. **comply to maher, route to dph** Complete | New building | Complete | 13 months | |
| Oct 8, 2019 | 151 Friedell St 100% affordable housing at hunter's point ship yard, erect a five stories 45 units type 1 construction residential building. Complete | New building | Complete | 7 months | |
| Oct 8, 2019 | 351 Friedell St 100% affordable housing at hunter's point ship yard, erect a five stories 67 residential units type 1 max use building. Complete | New building | Complete | 7 months | |
| Feb 1, 2018 | 2445 Hyde St Rec & park dept owns this site of abandoned francisco park reservoir. project will convert the site to a public park of 195,300 sq ft. sf park conservancy will gift the completed project to rpd per (e) agreement. park consists of a restroom, rpd maint space, community garden, lawn & dog run. Issued | Retaining wall or site work | Issued | 14 months | |
| Nov 20, 2017 | 1296 Shotwell St Foundation for a temporary construction tower crane, free standing. reference permit application #201608195545 s/r3 Complete | Revision or supplementType unconfirmed | Complete | 4 months | |
| Dec 23, 2013 | 401 Van Ness Av Tenant improvement for the educaiton, studio, performance hall, administrative offices, costumeshop & support spaces on the 4th fl as well as storage & costume support in the basement. n/a for maher ordinance. Complete | Commercial or tenant improvement | Complete | 9 months | |
| Aug 22, 2013 | 255 Broadway Deferred submittal per note on 2/56.3 pa #201105166063 s-3, tie down system for wood structure. Complete | Revision or supplement | Complete | Within 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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