Kok Jin Yeo
Engineer · Lcf Solutions · San Jose
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeCivil Engineer C-83626First issued Dec 17, 2014, expires Mar 31, 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?
- 34 permits since 2015, 34 in the last 5 years. Latest filed Oct 23, 2026.
- What kind of projects?
- Legalize or fix a violation 11 · Home remodel 6 · ADU 6
- How long do their permits take?
- Legalize or fix a violation: 2 months. 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.
Legalize or fix a violation: 11 permits in San Francisco
Time to get a permit
Median from filing to permit, from 9 issued permits filed since 1966; 1 still in review. City is the San Francisco median for the same kind of review, from 15,396 permits.
Where
- Twin Peaks2
- Mission2
- Sunset/Parkside2
- Bayview Hunters Point1
Most recent
- 3851 Market StTo comply w/ nov# 201313451: construct (n) rear decks at ground fl, and lower fl. remove and replace railings at lower fl. 2 at (e) rear foundation slap. convert (e) windows at rear of ground fl + lower fl to 5' sliders.Oct 23, 2026Filed
- 435 Potrero AvComply with nov #202539592: revert subject to previously approved condition. restore demolished partitions and restrooms fixtures: electrical and plumbing. demolish unpermitted partition walls and added restrooms. restore stairs to 2nd fl and legalize (e) layoutDec 3, 2025Issued
- 1 Loomis StComply w/nov 202536730 revert unpermitted f occupancy to warehouse. revert e) ext dr to pre e)inward swing, legalize security on north wall. remove mtl plates covering e)windows x2 (d,e,f,h,i) remove ballards outsides roll up dr, 5x ac units, steel gate inside, roll up dr, fence, interior partitionsJun 2, 2025Complete
- 479 03rd StContruct non-full height partition walls at rear decks on 2nd & 3rd fl. partitioning off the (e) furnace & water heater. legalize added toilet in baths on 2nd & 3rd fl. remodel & reconfig baths (1 on each fl). misc. wall infills & new doorsAug 24, 2023Issued
- 1874 31st AvTo comply with complaint 202287409. no structural work. ground fl: new sink, 2 burner range w/hood, remodel (e) full bath w/ shower pan. 3rd fl: legalize removal of hallway and removal of wall between bedroom 05 and bedroom 06. bedroom 05 becomes nursury.Nov 4, 2022Withdrawn
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Oct 23, 2026 | 3851 Market St To comply w/ nov# 201313451: construct (n) rear decks at ground fl, and lower fl. remove and replace railings at lower fl. 2 at (e) rear foundation slap. convert (e) windows at rear of ground fl + lower fl to 5' sliders. Filed | Legalize or fix a violation | Filed | — | |
| Jul 8, 2026 | 2524 03rd St Horizontal addition at the rear of the property extending the basement to align with the ground floor and second floor. 2526 03rd st: including a core and shell tenant improvement, new ada restroom, accessible entrance door opener. 2524-03rd st-removal of wall between kitchen and bedroom for open. Filed | Addition | Filed | — | |
| Jun 18, 2026 | 518 41st Av Convert approx. 649 sq.ft of the (e) garage to conditioned space: 2 bedrooms, full bath, recreation room. Filed | Home remodelType unconfirmed | Filed | — | |
| Jun 18, 2026 | 150 San Felipe Av 3rd flr: demolish existing fireplace in bedroom 2. master bedroom and walkin closet renovation, new washer, dryer, new 2x4 skylight u-factor 0.3 2nd flr demolish existing fire place in living room. Complete | Home remodel | Complete | Within 1 month | |
| Jun 9, 2026 | 2526 03rd St 2526 3rd st- ground floor to remove (e) angled storedoor and lower (e) concret landing to conform to code required slope. install (n) store front door. construct (n) landing interior side of door and slopoed walk up to finish floor not exceeding 5.0% slope Issued | Commercial or tenant improvementType unconfirmed | Issued | 2 months | |
| Apr 15, 2026 | 145 Merced Av Installing pavers in driveway, reconfigure planters as needed. Complete | Retaining wall or site work | Complete | 5 months | |
| Mar 13, 2026 | 1433 Taraval St Ground floor unit 1433 food service. construct new store front and automatic door opener. new point of sales counter. adjustments to (e) restrooms for ada. infill opening wall to 2/f for unit 1435 office. new full bath. new wet bar and interior partition walls. Issued | Commercial or tenant improvement | Issued | 4 months | |
| Jan 14, 2026 | 2400 Noriega St No physical alterations to the building. permit amends the permitted occupancy to allow for an accessory use occupancy e approvied under planning record 2024-001865cua planning commission motion no. 21756 Filed | Commercial or tenant improvement | Filed | — | |
| Dec 30, 2025 | 623 09th Av Revision to pa #202311170998: revise a door opening location in the adu with minor structural revisions, window material to vinyl and landscaping in the rear yard. all other scopes to remain unchanged. Issued | Revision or supplement | Issued | 9 months | |
| Dec 3, 2025 | 435 Potrero Av Comply with nov #202539592: revert subject to previously approved condition. restore demolished partitions and restrooms fixtures: electrical and plumbing. demolish unpermitted partition walls and added restrooms. restore stairs to 2nd fl and legalize (e) layout Issued | Legalize or fix a violation | Issued | 3 months | |
| Nov 25, 2025 | 719 12th Av Ground floor work only - no structural. convert existing storage rooms to new bedrooms. Filed | Home remodel | Filed | — | |
| Jun 9, 2025 | 2248 Jerrold Av #8 #8; permit to be in compliance w/ 202534097. demolish the following on ground flr. 1 security door on inside of roll up door, interior partition walls, shower. demo 2nd flr: interior partitions, stair, mezaainne, 1/2 bath, kitchen. Complete | Revision or supplementType unconfirmed | Complete | 2 months | |
| Jun 2, 2025 | 1 Loomis St Comply w/nov 202536730 revert unpermitted f occupancy to warehouse. revert e) ext dr to pre e)inward swing, legalize security on north wall. remove mtl plates covering e)windows x2 (d,e,f,h,i) remove ballards outsides roll up dr, 5x ac units, steel gate inside, roll up dr, fence, interior partitions Complete | Legalize or fix a violation | Complete | Within 1 month | |
| Feb 12, 2025 | 3660 16th St G/f #3660: construct 2 new bath, renovate e bath. demo partition wall to add new bedroom. relocate water heater/range. demo stair that connects g/f to 3/f. 2nd fl #3662: construct new bath 2, renovate e bath,renovate e kitchen. Issued | Home remodel | Issued | 20 months | |
| Nov 14, 2024 | 4750 Geary Bl Seal and restripe existing parking lot, construt new curb ramp for accessible path of travel and accessible entrance, new accessible entrance to managers unit Complete | Commercial or tenant improvementType unconfirmed | Complete | 2 months | |
| Jun 14, 2024 | 479 03rd St Rev to pa202308245169 to capture the (e) conditions at the rear stairs as requested by the inspector. scope all remains the same as approved. revisions include location of the guardrail and partiion walls at rear patio. no work under this permit Complete | Revision or supplement | Complete | Within 1 month | |
| Nov 17, 2023 | 623 09th Av Horizontal addition. construct new adu under government code section 65852.2 - state program ; 1st/f: attached adu approx 886 sqft. 2nd/f: new deck above ground floor extension rear bay window alterations interior remodeling3rd/f: new deck. rear bay window alteration. interior remodeling. Issued | ADU | Issued | 13 months | |
| Aug 24, 2023 | 479 03rd St Contruct non-full height partition walls at rear decks on 2nd & 3rd fl. partitioning off the (e) furnace & water heater. legalize added toilet in baths on 2nd & 3rd fl. remodel & reconfig baths (1 on each fl). misc. wall infills & new doors Issued | Legalize or fix a violationType unconfirmed | Issued | 2 months | |
| Feb 17, 2023 | 14 Mountview Ct Revision to bpa#202206075773, add new 2'x3' skylight, replace drop beam & post @ stair Complete | Revision or supplement | Complete | Within 1 month | |
| Dec 30, 2022 | 4414 20th St Revision to pa# 202104027850. no structural or mep work. new closets added in bedrooms to adu (4416a, 4414 and 4416). relocation of doors and/or changes from standard man-door to pocket door at bathrooms in units 4414, 4416. Complete | Revision or supplement | Complete | 18 months |
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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