Junjian Lao
- Listed as
- architect, authorized agent-others, designer, engineer, pmt consultant/expediter
- Firm
- Lao Engineering
- Based in
- San Francisco
- On San Francisco permits
- Jan 2006 to Sep 2026
29 permits since 2000 (engineer on 20 permits, authorized agent-others on 4 permits, architect on 2 permits, pmt consultant/expediter on 2 permits, designer on 1 permit): 24 completed, 2 in progress, 2 never finaled, 1 expired or cancelled.
This is the city’s permit record, not a license check: the role and the number come from what was written on each permit (the number spelled one way). It does not show whether the license is current. How to read these records
Most recent permits
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| Sep 5, 2026 | In progress filed Sep 2026, not yet issued | 665 Colby St | Galaxy Building Construction | erect new 1-story type vb detached adu in rear yard.Details
erect new 1-story type vb detached adu in rear yard. | $85,000 |
| Aug 12, 2025 | Completed final sign-off Jun 2026 | 371 Ellington Av | J P Petrie Associates Inc | addition of a new adu on the 1st fl in acordance with govement code section 6582.2 construction of anew laundry room on the 2nd floor.construction of a 2nd floor deck to access to the rear yard.Details
addition of a new adu on the 1st fl in acordance with govement code section 6582.2 construction of anew laundry room on the 2nd floor.construction of a 2nd floor deck to access to the rear yard. | $150,000 |
| Feb 19, 2025 | Completed final sign-off May 2025 | 2122 22nd Av | 3 N 1 Construction Inc. | add new media room on 1/f. 2)install barsink in both new media room and (e) family room on 1/f. 3)remodel 2/f bathroom. 4)add a bedroom separation wall on 2/f of (e) rear addition.Details
add new media room on 1/f. 2)install barsink in both new media room and (e) family room on 1/f. 3)remodel 2/f bathroom. 4)add a bedroom separation wall on 2/f of (e) rear addition. | $45,000 |
| Jan 17, 2025 | Completed final sign-off Jul 2025 | 39 Majestic Av | comply with nov 202431394 legalize (e) rear wood landings & stairs; legalize (e) rear sliding door @ 2nd fl. add firewall at property line next to staircase.Details
comply with nov 202431394 legalize (e) rear wood landings & stairs; legalize (e) rear sliding door @ 2nd fl. add firewall at property line next to staircase. | $3,000 | |
| Nov 21, 2024 | In progress issued Feb 2026 | 1865 23rd Av | K Y J Construction Company | interior reno for 1st & 2nd fl. 1st fl - relocate bathrm, bedrm & laundry; infill internal stiar connects to 2nd fl; 2nd fl - convert bedrm #1 into suite access to new deck @ rear yard. convert part of bedrm #2, relocate bathrm & powder room into office & bathroom. convert bedrm #3 into diningDetails
interior reno for 1st & 2nd fl. 1st fl - relocate bathrm, bedrm & laundry; infill internal stiar connects to 2nd fl; 2nd fl - convert bedrm #1 into suite access to new deck @ rear yard. convert part of bedrm #2, relocate bathrm & powder room into office & bathroom. convert bedrm #3 into dining | $60,000 |
| Aug 12, 2024 | Completed final sign-off Mar 2025 | 611 38th Av | 3 N 1 Construction Inc. | in response to dbi complaint 202425913. add new bathroom and remodel existing kitchen at 2/f. reconfigure existing bathroom at 3/f. no exterior work.Details
in response to dbi complaint 202425913. add new bathroom and remodel existing kitchen at 2/f. reconfigure existing bathroom at 3/f. no exterior work. | $60,000 |
| Dec 4, 2023 | Completed final sign-off Feb 2025 | 231 Stratford Dr | All Best Buildrs.Inc./All Trusty Bldrs. | interior remodeling. replace (e) windows per plan. reconfigure rear stair access to the backyard on the mainfloor.Details
interior remodeling. replace (e) windows per plan. reconfigure rear stair access to the backyard on the mainfloor. | $13,000 |
| Aug 31, 2023 | Completed final sign-off Mar 2026 | 2258 34th Av | All Best Buildrs.Inc./All Trusty Bldrs. | in respose to 2022-011286enf enforcement by planning dept. to legalize unauthorized dwelling unit at 1st fl. legalize unpermitted structure due to removal of the (e) beam and post on the 1st fl. front facade remain no change.Details
in respose to 2022-011286enf enforcement by planning dept. to legalize unauthorized dwelling unit at 1st fl. legalize unpermitted structure due to removal of the (e) beam and post on the 1st fl. front facade remain no change. | $50,000 |
| Apr 28, 2023 | Expired or cancelled cancelled Jan 2026 | 51 Wawona St | interior renovation reconfigure interior layout and add 1 bedroom on 1st floor; re-configure interior layout. eliminate 1 bedroom to create 1 master suite. relocated interior stairs and extend kitchen. add 3 skylights. add trellis at rear yardDetails
interior renovation reconfigure interior layout and add 1 bedroom on 1st floor; re-configure interior layout. eliminate 1 bedroom to create 1 master suite. relocated interior stairs and extend kitchen. add 3 skylights. add trellis at rear yard | $100,000 | |
| Mar 12, 2021 | Completed final sign-off Jul 2021 | 1435 41st Av | All Best Buildrs.Inc./All Trusty Bldrs. | add new deck at rear yard.Details
add new deck at rear yard. | $10,000 |
| Nov 25, 2019 | Completed final sign-off Nov 2020 | 2407 Clement St | Galaxy Building Construction | 2nd & 3rd floor: replace all window in kind with double pane windows, visible from the street to be wood windows. all others to be vinyl. update existing electrical line & fixtures at 3rd floor unit. relayout fixtures at the existing 3rd floor bathroom & add new full bath on 3rd floor.Details
2nd & 3rd floor: replace all window in kind with double pane windows, visible from the street to be wood windows. all others to be vinyl. update existing electrical line & fixtures at 3rd floor unit. relayout fixtures at the existing 3rd floor bathroom & add new full bath on 3rd floor. | $30,000 |
| Mar 21, 2019 | Completed final sign-off Aug 2021 | 1600 36th Av | All Best Buildrs.Inc./All Trusty Bldrs. | rev to pa# 201805048220; install hydrolic heathing system to replace gas furnance, no other work scope.Details
rev to pa# 201805048220; install hydrolic heathing system to replace gas furnance, no other work scope. | $8,500 |
| May 4, 2018 | Completed final sign-off Aug 2021 | 1600 36th Av | All Best Buildrs.Inc./All Trusty Bldrs. | 1st fl: convert existing office room to new bedroom. relocate bathroom and closet. 2nd fl: remove the non-bearing wall between kitchen & dining area. add new tube skylight. relocate the toilet and add new window at lightwell location.Details
1st fl: convert existing office room to new bedroom. relocate bathroom and closet. 2nd fl: remove the non-bearing wall between kitchen & dining area. add new tube skylight. relocate the toilet and add new window at lightwell location. | $150,000 |
| Jun 23, 2016 | Completed final sign-off Feb 2017 | 1738 29th Av | All Best Buildrs.Inc./All Trusty Bldrs. | ground floor remodel only: add 1 new full bathroom, one bedroom and play room. relocate the (e) washer/dryer & laundry sinkDetails
ground floor remodel only: add 1 new full bathroom, one bedroom and play room. relocate the (e) washer/dryer & laundry sink | $30,000 |
| May 4, 2016 | Completed final sign-off Sep 2016 | 1519 Noriega St | R P Construction Inc. | 1st floor remodel only: add (n) exercise room. ocnvert (e) storage to (n) home office room. add (n) half bath. elarge (e) two windows @ rear side. add (n) laundry sink @ (e) laundry room. replace (e) storage water heaters to (n) gas tankless water heaters.Details
1st floor remodel only: add (n) exercise room. ocnvert (e) storage to (n) home office room. add (n) half bath. elarge (e) two windows @ rear side. add (n) laundry sink @ (e) laundry room. replace (e) storage water heaters to (n) gas tankless water heaters. | $40,000 |
| Jan 27, 2016 | Completed final sign-off Apr 2016 | 2241 Balboa St | R P Construction Inc. | 2nd fl. kitchen remodel, no exterior work.Details
2nd fl. kitchen remodel, no exterior work. | $25,000 |
| Nov 18, 2015 | Completed final sign-off Jan 2016 | 80 Springfield Dr | All Best Buildrs.Inc./All Trusty Bldrs. | add new full bathroom @ ground floor.Details
add new full bathroom @ ground floor. | $8,000 |
| Dec 29, 2014 | Completed final sign-off Apr 2016 | 18 Montezuma St | Amherst Associates Const | revision to pa #201411131351: eliminate window in (n) master bedrm on 2nd flr @ front & right elevation. change 2 skylights in (e) bedroom on 2nd flrto frosted glass skylights. no structural change. other details no change follow approved plan.Details
revision to pa #201411131351: eliminate window in (n) master bedrm on 2nd flr @ front & right elevation. change 2 skylights in (e) bedroom on 2nd flrto frosted glass skylights. no structural change. other details no change follow approved plan. | $1,000 |
| Dec 11, 2014 | Completed final sign-off Oct 2015 | 2145 California St | Hammerhead General Contractors Inc. | #1 interior remodel: replace all wood windows in kind, remove (e) int plaster & lath & replace with 5/8 type"x" gyp board. enlarge shower location @ bathroom #2, relayout fixtures @ bath #1, kitchen remodel, update (e) elec lines & fixtures.Details
#1 interior remodel: replace all wood windows in kind, remove (e) int plaster & lath & replace with 5/8 type"x" gyp board. enlarge shower location @ bathroom #2, relayout fixtures @ bath #1, kitchen remodel, update (e) elec lines & fixtures. | $30,000 |
| Nov 13, 2014 | Completed final sign-off Apr 2016 | 18 Montezuma St | Amherst Associates Const | excavate basement to add 2 bedrooms, 1 exercise room, 2 full bathroom per plan. complete remodel and reconfigure 1st floor and 2nd floor per plan. add a new roof deck on second floor and two new dormers on roof. 3 new skylights and replace all windows in kind with clad at front and rear.Details
excavate basement to add 2 bedrooms, 1 exercise room, 2 full bathroom per plan. complete remodel and reconfigure 1st floor and 2nd floor per plan. add a new roof deck on second floor and two new dormers on roof. 3 new skylights and replace all windows in kind with clad at front and rear. | $109,000 |
| Sep 23, 2014 | Completed final sign-off Mar 2017 | 1907 Lyon St | Galaxy Building Construction | excavare from 7'-3" to 7'-6" basement ceiling height. infill light court & add bedrm, home office & full bath. replace window @ front. 1st fl-add powder rm. remove wall. 2nd fl-infill light well remodel master bath. add skylights to each bath.Details
excavare from 7'-3" to 7'-6" basement ceiling height. infill light court & add bedrm, home office & full bath. replace window @ front. 1st fl-add powder rm. remove wall. 2nd fl-infill light well remodel master bath. add skylights to each bath. | $40,000 |
| Aug 7, 2014 | Completed final sign-off Feb 2016 | 440 Gennessee St | Amherst Associates Const | intr innov 2 stories&attic bldg.convert attic storage to mstr bedrm.add domers<8'x8',not exceed 20% roof area,not ex on(e)roof.infill ltewell@right(south)side of bldg. enlarge wood deck at rear yd.replace all windows in kind w/clad frame windows,visible from st.windows are all wood.Details
intr innov 2 stories&attic bldg.convert attic storage to mstr bedrm.add domers<8'x8',not exceed 20% roof area,not ex on(e)roof.infill ltewell@right(south)side of bldg. enlarge wood deck at rear yd.replace all windows in kind w/clad frame windows,visible from st.windows are all wood. | $75,000 |
| Jun 16, 2014 | Completed final sign-off Aug 2015 | 2385 Bush St | Amherst Associates Const | add parking space to (e) single family dwelling. [increase ceiling height of rear portion @ 1st floor -this work requires a variance and was eliminated from project scope -la] ** maher: compliance with ordinance no# 155-13 not required **Details
add parking space to (e) single family dwelling. [increase ceiling height of rear portion @ 1st floor -this work requires a variance and was eliminated from project scope -la] ** maher: compliance with ordinance no# 155-13 not required ** | $15,000 |
| Jun 13, 2014 | Completed final sign-off Sep 2018 | 150 Van Ness Av | erect 13 stories ,431 dwelling units.Details
erect 13 stories ,431 dwelling units. | $108,000,000 | |
| Jun 10, 2014 | Never finaled filed Jun 2014, never issued | 1055 Pine St | Hathaway Dinwiddie Co. | legalize existing number of housing units.Details
legalize existing number of housing units. | |
| May 12, 2014 | Never finaled filed May 2014, never issued | 150 Hayes St | Hathaway Dinwiddie Co. | comply w/ planning dept's enforcement notification dated 4-25-14, to establish use as post-secondary educational institution office. no work to be performed.Details
comply w/ planning dept's enforcement notification dated 4-25-14, to establish use as post-secondary educational institution office. no work to be performed. | |
| May 5, 2014 | Completed final sign-off Feb 2015 | 1355 Market St | Terra Nova Industries | interior non-structural demolition at ground floor. t.i #2014.0128.7280. compliance with ordinance #155-13 not requiredDetails
interior non-structural demolition at ground floor. t.i #2014.0128.7280. compliance with ordinance #155-13 not required | $5,000 |
| Nov 22, 2013 | Completed final sign-off Dec 2014 | 470 Pacific Av | Hathaway Dinwiddie Co. | remodel (e) quince restaurant to include renovations to (e) dining room including relocating bar. renovations to (e) kitchen including new equipment.Details
remodel (e) quince restaurant to include renovations to (e) dining room including relocating bar. renovations to (e) kitchen including new equipment. | $1,500,000 |
| Jan 24, 2006 | Completed final sign-off Jan 2007 | 750 Kearny St | per building field inspector, modify existing corridor exhaust at floor 14-25. mechanical duct installation - exempt by sec 1134b.2.1 ex4.Details
per building field inspector, modify existing corridor exhaust at floor 14-25. mechanical duct installation - exempt by sec 1134b.2.1 ex4. | $110,000 |