Alfonso Fillon
- Listed as
- architect
- Firm
- Fillon Design
- Based in
- San Francisco
- On San Francisco permits
- Jan 2005 to Sep 2026
46 permits since 2000 (architect on 46 permits): 24 completed, 4 in progress, 9 never finaled, 9 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 4, 2026 | In progress filed Sep 2026, not yet issued | 2710 Oakdale Av | comply nov 202543676: remove unpermitted cannabis cultivation equipoment and revert to last legal warehouse use.Details
comply nov 202543676: remove unpermitted cannabis cultivation equipoment and revert to last legal warehouse use. | $2,500 | |
| Sep 4, 2026 | In progress filed Sep 2026, not yet issued | 2720 Oakdale Av | comply nov 202543822: remove unpermitted cannabis cultivation equipment and revert to last legal warehouse use.Details
comply nov 202543822: remove unpermitted cannabis cultivation equipment and revert to last legal warehouse use. | $2,500 | |
| Dec 24, 2025 | In progress issued Jun 2026 | 821 Guerrero St | in-kind fire damage rehab, structural repair, electrical repair.Details
in-kind fire damage rehab, structural repair, electrical repair. | $400,000 | |
| Jun 6, 2025 | In progress filed Jun 2025, not yet issued | 201 Capp St | as built permit for work under pa# 2022-0505-3638; original permit scope of work for new restaurant including plumging and electrical work also to adrdres nov# 202179654 this permit for as-built including minor changes one wall section added, kitchen finishes and equipmentDetails
as built permit for work under pa# 2022-0505-3638; original permit scope of work for new restaurant including plumging and electrical work also to adrdres nov# 202179654 this permit for as-built including minor changes one wall section added, kitchen finishes and equipment | $50,000 | |
| Mar 12, 2025 | Completed final sign-off Mar 2025 | 320 Day St | Tri-Star Home Improvement Inc. | revision to pa #202206075820 to remove special inspection item vb49(duct leakage diagnostic test)Details
revision to pa #202206075820 to remove special inspection item vb49(duct leakage diagnostic test) | |
| Sep 17, 2024 | Completed final sign-off May 2025 | 380 West Portal Av | Cypress Construction Co | new accessible bathroom to be located within (e) office space. no vertical or horizontal addition. no structural work. no change of use. mep under separate permitDetails
new accessible bathroom to be located within (e) office space. no vertical or horizontal addition. no structural work. no change of use. mep under separate permit | $20,000 |
| Apr 18, 2024 | Completed final sign-off Dec 2024 | 259 Avila St | new bay window and bay (22 sf). new sink/wet bar at family rm. structural work for new bay. ref to 201505136187. to comply w/ nov 202420394Details
new bay window and bay (22 sf). new sink/wet bar at family rm. structural work for new bay. ref to 201505136187. to comply w/ nov 202420394 | $30,000 | |
| Feb 16, 2024 | Completed final sign-off Jul 2024 | 280 Juanita Wy | Sederap's Drywall Inc. | foundation and slab upgrades in the basement areaDetails
foundation and slab upgrades in the basement area | $60,000 |
| Nov 15, 2023 | Expired or cancelled expired Oct 2025 | 100 Clipper St | Ca Sunrise Construction Solution Inc | change of use and occupancy from b-office to group e daycare. commercial ti for new day care facility. 25 students. no horizontal or vertical addition. revise (e) restrooms to be accessible.no structural work. age range 36mo-5yr.Details
change of use and occupancy from b-office to group e daycare. commercial ti for new day care facility. 25 students. no horizontal or vertical addition. revise (e) restrooms to be accessible.no structural work. age range 36mo-5yr. | $50,000 |
| Sep 20, 2023 | Never finaled filed Sep 2023, never issued | 1331 Noriega St | proposed remodel of existing two-story commericial building. scope of work includes vertical and horizontal addition. no change of use.Details
proposed remodel of existing two-story commericial building. scope of work includes vertical and horizontal addition. no change of use. | $750,000 | |
| Jan 31, 2023 | Expired or cancelled withdrawn Jun 2025 | 2301 Ocean Av | commercial tenant improvement for new day care center. work includes accessible restroom, outdoor fencing for play area. no vertical or horizontal addition, no structural work. 29 & less students.Details
commercial tenant improvement for new day care center. work includes accessible restroom, outdoor fencing for play area. no vertical or horizontal addition, no structural work. 29 & less students. | $150,000 | |
| Dec 22, 2022 | Never finaled filed Dec 2022, never issued | 425 Mission St | proj-22-0521; tjpa ti mou permit revision to dim bao restaurant space# 125 & 129. revision to mep system. ref pa# 202010217054.Details
proj-22-0521; tjpa ti mou permit revision to dim bao restaurant space# 125 & 129. revision to mep system. ref pa# 202010217054. | ||
| Jun 7, 2022 | Completed final sign-off Mar 2025 | 320 Day St | Tri-Star Home Improvement Inc. | remodel of existing two story residence.horizontal addition in rear.Details
remodel of existing two story residence.horizontal addition in rear. | $475,000 |
| Jun 2, 2022 | Expired or cancelled withdrawn Jun 2024 | 1140 Florida St | demolition of (e) rear stairs. construction of new rear stairs & deck to replace (e).Details
demolition of (e) rear stairs. construction of new rear stairs & deck to replace (e). | $20,000 | |
| May 5, 2022 | Never finaled issued Jun 2023, no final | 201 Capp St | restaurant: provide equipment & finishing for previously approved kitchen, mep deferred. ref bpa#201003248891. to comply with bid nov#202179654, 2x penaltyDetails
restaurant: provide equipment & finishing for previously approved kitchen, mep deferred. ref bpa#201003248891. to comply with bid nov#202179654, 2x penalty | $150,000 | |
| Oct 21, 2020 | Never finaled filed Oct 2020, never issued | 425 Mission St | proj-20-0332. tjpa-ti. #125 & #129. new interior. create a new restaurant within (e) commercial tenant space. work includes new mechanical ventilation for commercial kitchen, new electrical & lighthting, new accessible restrooms & new finishes throughout. no vertical or horizontal addition.Details
proj-20-0332. tjpa-ti. #125 & #129. new interior. create a new restaurant within (e) commercial tenant space. work includes new mechanical ventilation for commercial kitchen, new electrical & lighthting, new accessible restrooms & new finishes throughout. no vertical or horizontal addition. | $500,000 | |
| Sep 12, 2020 | Completed final sign-off Mar 2023 | 150 09th St | Winwin Construction Inc | seismic strengthening measures to comply with sf soft story ordinance. no vertical or horizontal addition. no change of use.Details
seismic strengthening measures to comply with sf soft story ordinance. no vertical or horizontal addition. no change of use. | $330,000 |
| Feb 27, 2020 | Completed final sign-off Oct 2020 | 4438 California St | application for technical infeasibility for existing commerical entrance. no new construction. to comply with abe ordinance 51-16.Details
application for technical infeasibility for existing commerical entrance. no new construction. to comply with abe ordinance 51-16. | ||
| Dec 20, 2019 | Completed final sign-off Jul 2020 | 240 Shotwell St | Roebuck Construction | remodel of extg outpatient clinic. work includes remodel of 2nd floor medical records area. new mechanical & electrical work in affected areas. minor structural work. no horizontal or vertical addition.Details
remodel of extg outpatient clinic. work includes remodel of 2nd floor medical records area. new mechanical & electrical work in affected areas. minor structural work. no horizontal or vertical addition. | $300,000 |
| Sep 17, 2019 | Completed final sign-off Jun 2020 | 349 Connecticut St | remodel of (e) kitchen, remodel of (e) upstairs bathroom. structural work to create new interior opening at kitchen. replacement of (e) windows at kitchen & one window at bath. no vertical or horizontal addition.Details
remodel of (e) kitchen, remodel of (e) upstairs bathroom. structural work to create new interior opening at kitchen. replacement of (e) windows at kitchen & one window at bath. no vertical or horizontal addition. | $25,000 | |
| Apr 29, 2019 | Never finaled issued May 2019, no final | 150 09th St | Castle Construction | new siding @ washburn elevation, move electrical meters and main, new accessibility upgrades. no structural work. no vertical or horizontal additionDetails
new siding @ washburn elevation, move electrical meters and main, new accessibility upgrades. no structural work. no vertical or horizontal addition | $250,000 |
| Mar 22, 2019 | Never finaled issued Apr 2019, no final | 599 Valencia St | minor alteration and repair of extg storefront. open blocked egress. new entrance at 17th street facade. accessories added to extg restroom to make accessible at 1st level. no structural work, no vertical or horizontal addtion.Details
minor alteration and repair of extg storefront. open blocked egress. new entrance at 17th street facade. accessories added to extg restroom to make accessible at 1st level. no structural work, no vertical or horizontal addtion. | $35,000 | |
| Oct 30, 2018 | Expired or cancelled expired Feb 2022 | 38 Washburn St | minor alterations to existing multi-family residence. new siding & decking to replace existing damaged siding & decking in kind, like for like, no change in size. new skylights. infill 2 windows.Details
minor alterations to existing multi-family residence. new siding & decking to replace existing damaged siding & decking in kind, like for like, no change in size. new skylights. infill 2 windows. | $80,000 | |
| May 11, 2018 | Completed final sign-off Jan 2019 | 600 Cabrillo St | Winwin Construction Inc | alteration to existing garage space. add 1/2 bath and sink. structural upgrades to garage. no vertical or horizontal addition.Details
alteration to existing garage space. add 1/2 bath and sink. structural upgrades to garage. no vertical or horizontal addition. | $50,000 |
| May 18, 2017 | Expired or cancelled cancelled Jan 2026 | 42 Otis St | change of use from warehouse to officeDetails
change of use from warehouse to office | ||
| Dec 1, 2016 | Completed final sign-off Jan 2017 | 4440 California St | Raymond Construction Co | 1/f:comply w/nov 201623991: removal of non compliant non-permitted construction in (e) commercial space & return to original layout. no vertical/ horizontial addition work includes: removal of non compliance awning. no new tenant occupant; future tenant under separate permit.Details
1/f:comply w/nov 201623991: removal of non compliant non-permitted construction in (e) commercial space & return to original layout. no vertical/ horizontial addition work includes: removal of non compliance awning. no new tenant occupant; future tenant under separate permit. | $2,500 |
| Jan 22, 2016 | Completed final sign-off Oct 2016 | 3249 17th St | Glenside Construction | revision to 201003248891: new interior 2 hr shaftDetails
revision to 201003248891: new interior 2 hr shaft | $2,000 |
| Jan 14, 2016 | Completed final sign-off Nov 2016 | 3249 17th St | new private roof deck accesible only to upper unit with aluminum and glass railing, new 2-hr partition to create new 2-hr shaft; revision to permit 201003248891.Details
new private roof deck accesible only to upper unit with aluminum and glass railing, new 2-hr partition to create new 2-hr shaft; revision to permit 201003248891. | $6,000 | |
| Jul 16, 2015 | Expired or cancelled cancelled Jan 2026 | 140 Jones St | new exterior fence and gate. new interior security door. n/a for maherDetails
new exterior fence and gate. new interior security door. n/a for maher | $2,000 | |
| May 13, 2015 | Completed final sign-off Aug 2024 | 259 Avila St | Jad Construction Inc | 3rd story residential addition & structural work. addition includes 2 new restrooms & 3 new bedrooms. ** maher: compliance with ordinance no# 155-13 not required **Details
3rd story residential addition & structural work. addition includes 2 new restrooms & 3 new bedrooms. ** maher: compliance with ordinance no# 155-13 not required ** | $499,000 |
| Apr 26, 2013 | Completed final sign-off May 2013 | 524 Valencia St | as builts for pa# 2012-0905-8944-drawings to show 1hr construction for egress path of travel including 1hr rated basement enmclosure & 2 1hr rated doors. permit provided to show corrected field related workDetails
as builts for pa# 2012-0905-8944-drawings to show 1hr construction for egress path of travel including 1hr rated basement enmclosure & 2 1hr rated doors. permit provided to show corrected field related work | ||
| Aug 9, 2012 | Never finaled issued Aug 2012, no final | 814 Mission St | R T Western Maintenance Inc. | demo of (e) non-load bearing partitions mezz. flr, hvac system,electrical wiring conduits & devices, plumbing ,ceiling & floor finishes. ab-017Details
demo of (e) non-load bearing partitions mezz. flr, hvac system,electrical wiring conduits & devices, plumbing ,ceiling & floor finishes. ab-017 | $38,000 |
| Dec 20, 2010 | Expired or cancelled expired Dec 2014 | 213 King St | Bosa Development California Inc | 1st floor - remodel existing sales office, new finishes & mock fixtures for sale area, no exterior work, fire alarm & sprinkler under separate permit.Details
1st floor - remodel existing sales office, new finishes & mock fixtures for sale area, no exterior work, fire alarm & sprinkler under separate permit. | $400,000 |
| Aug 19, 2010 | Never finaled issued Oct 2012, no final | 139 08th St | Level 8 Construction Inc | change use of basement from basement storage to additonal restaurant/bar seating. retile bath. establish new occupant load.Details
change use of basement from basement storage to additonal restaurant/bar seating. retile bath. establish new occupant load. | $2,000 |
| Mar 24, 2010 | Completed final sign-off Nov 2016 | 3249 17th St | change of occupancy from r3 to r2 & a2. site permit-remodel of (e) 1 story structure. altered building will contain 4 stories, consisting of 3 residential units above & ground level restaurant.Details
change of occupancy from r3 to r2 & a2. site permit-remodel of (e) 1 story structure. altered building will contain 4 stories, consisting of 3 residential units above & ground level restaurant. | $850,000 | |
| May 15, 2009 | Completed final sign-off Oct 2009 | 500 Florida St | definition of occupancy for non-seated occupancy load.Details
definition of occupancy for non-seated occupancy load. | ||
| Mar 26, 2009 | Never finaled issued Mar 2009, no final | 1 Polk St | tenant improvement of (e) ground floor commercial space to accommodate new temporary room. work includes new accessible restroom, new lighting, new power & data receptacles & new finishes. this is a temporary use per planning code section 205.2Details
tenant improvement of (e) ground floor commercial space to accommodate new temporary room. work includes new accessible restroom, new lighting, new power & data receptacles & new finishes. this is a temporary use per planning code section 205.2 | $50,000 | |
| Dec 10, 2008 | Completed final sign-off May 2009 | 1161 Mission St | install of new ext awning at existing commercial build per plan.Details
install of new ext awning at existing commercial build per plan. | $6,000 | |
| Nov 25, 2008 | Completed final sign-off Aug 2009 | 1161 Mission St | new mechanical system for (e) building to serve tenant spaces at each floor. hvac heat pump system. 300-400 pounds units.Details
new mechanical system for (e) building to serve tenant spaces at each floor. hvac heat pump system. 300-400 pounds units. | $40,000 | |
| Apr 3, 2008 | Completed final sign-off May 2008 | 2901 Pierce St | Christopher's Construction Inc | new retaining wall, revision to existing permit #200607136418 for new site retaining wallsDetails
new retaining wall, revision to existing permit #200607136418 for new site retaining walls | $1,500 |
| Nov 27, 2007 | Completed final sign-off Feb 2008 | 860 Fell St | renew pa3200606133854,#200502145433 for final inspection.Details
renew pa3200606133854,#200502145433 for final inspection. | ||
| May 29, 2007 | Completed final sign-off Feb 2008 | 2901 Pierce St | Omni Madison Dba Omni Window/Laguna Mad, Christopher's Construction Inc | demolish 1 story, garage building.Details
demolish 1 story, garage building. | |
| Jan 24, 2007 | Expired or cancelled expired Jun 2013 | 3801 Mission St | renovation of (e) restaurant, including new lighting, new counter top, new accessible bathroom and new floor finishes.Details
renovation of (e) restaurant, including new lighting, new counter top, new accessible bathroom and new floor finishes. | $60,000 | |
| Jul 13, 2006 | Completed final sign-off Jan 2009 | 2901 Pierce St | existing detached garage is to be demolished and replaced with new attached garagedDetails
existing detached garage is to be demolished and replaced with new attached garaged | $120,000 | |
| Jun 2, 2006 | Expired or cancelled cancelled Dec 2013 | 2026 Lombard St | erect a new 4 story 89 unit tourist hotel w/ garageDetails
erect a new 4 story 89 unit tourist hotel w/ garage | $2,000,000 | |
| Jan 28, 2005 | Completed final sign-off May 2008 | 3041 Webster St | existing 2 storey single unit residence to be altered to a 4 storey two unit residenceDetails
existing 2 storey single unit residence to be altered to a 4 storey two unit residence | $450,000 |