Timothy Lorenz
- Listed as
- architect, engineer
- Firm
- Tim Lorenz Architect
- Based in
- Guerneville
- On San Francisco permits
- Dec 2002 to Jun 2025
19 permits since 2000 (architect on 17 permits, engineer on 2 permits): 12 completed, 3 never finaled, 4 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 |
|---|---|---|---|---|---|
| Jun 25, 2025 | Completed final sign-off Feb 2026 | 2114 40th Av | Ams Construction | garage:add 231 sf of living space, reduce to 1 car garage, add 3rd bedroom & bonus rm & full bath, relocate laundry. 2nd/f: full kitchen & bathroom remodel. replace in-kind exterior & interior doors & windows. replace e) new 80k btu unit furnace, exterior siding replacement. re-roofingDetails
garage:add 231 sf of living space, reduce to 1 car garage, add 3rd bedroom & bonus rm & full bath, relocate laundry. 2nd/f: full kitchen & bathroom remodel. replace in-kind exterior & interior doors & windows. replace e) new 80k btu unit furnace, exterior siding replacement. re-roofing | $97,300 |
| Feb 14, 2025 | Completed final sign-off Aug 2026 | 1334 12th Av | to comply with nov 202534119. correct front and rear setbacks. ref permits 202105069906 and 202412046137.Details
to comply with nov 202534119. correct front and rear setbacks. ref permits 202105069906 and 202412046137. | ||
| May 6, 2021 | Completed final sign-off Aug 2026 | 1334 12th Av | Ams Construction | horizontal addition to the rear on 3 levels and a 12' pop-outDetails
horizontal addition to the rear on 3 levels and a 12' pop-out | $400,000 |
| Oct 28, 2020 | Completed final sign-off Oct 2022 | 15 Nebraska St | Francis Mullan Construction | to an existing single family dwelling unit, an interior only kitchen remodel is proposed. no exterior or sq footage changes are proposed. existing no structural walls are removed and new structural elements are constructed. (e) powder room moved to new location.Details
to an existing single family dwelling unit, an interior only kitchen remodel is proposed. no exterior or sq footage changes are proposed. existing no structural walls are removed and new structural elements are constructed. (e) powder room moved to new location. | $97,000 |
| Apr 17, 2017 | Completed final sign-off Jun 2018 | 555 33rd Av | Garage Renovation Inc | #2 -kitchen and bath remodel, new interior and ext railings, replace e framing in ceiling, roof repair, walls as required, patch repair balcony as req. no alterations to exterior or new sq.ft.Details
#2 -kitchen and bath remodel, new interior and ext railings, replace e framing in ceiling, roof repair, walls as required, patch repair balcony as req. no alterations to exterior or new sq.ft. | $75,000 |
| Feb 16, 2016 | Completed final sign-off Aug 2016 | 66 Cleary Ct | Infinite Construction | unit #1504: to an extg residential unit: new kitchen and bath cabinets, fixtures an appliance are proposed. no changes to exterior or interior walls or windows.Details
unit #1504: to an extg residential unit: new kitchen and bath cabinets, fixtures an appliance are proposed. no changes to exterior or interior walls or windows. | $15,000 |
| Dec 14, 2015 | Expired or cancelled expired Jun 2017 | 4614 03rd St | Cbs Construction Inc. | revision to app#201310169347. the extg windows will replace with new 45 min rated fix windows, same size.Details
revision to app#201310169347. the extg windows will replace with new 45 min rated fix windows, same size. | $1,000 |
| Aug 6, 2015 | Completed final sign-off May 2016 | 1471 Washington St | Cbs Construction Inc. | to comply w/nov #201459321 (entirely rplaced in kind per nov) - patch & repair (e) stairs, treads, risers & stair enclosure, & two windows as required. no more than 20% of existing area. compliance with maher ordinance no 155-13 not required.Details
to comply w/nov #201459321 (entirely rplaced in kind per nov) - patch & repair (e) stairs, treads, risers & stair enclosure, & two windows as required. no more than 20% of existing area. compliance with maher ordinance no 155-13 not required. | $7,000 |
| Feb 26, 2015 | Never finaled issued Mar 2015, no final | 60 Temescal Tr | Ubhi Construction Inc | new front gate/door, add architectural elements to existing entry, new conc. slab and pavers.Details
new front gate/door, add architectural elements to existing entry, new conc. slab and pavers. | $5,000 |
| Nov 26, 2014 | Completed final sign-off Jun 2017 | 4616 03rd St | Cbs Construction Inc. | rev. to pa#2013/0321/2727. no final until easement is recorded. relocate non-load bearing walls & revise windows & entry door.Details
rev. to pa#2013/0321/2727. no final until easement is recorded. relocate non-load bearing walls & revise windows & entry door. | |
| Sep 11, 2014 | Completed final sign-off May 2015 | 34 Rhine St | A C A Home Improvement & Construction In | replace 5 windows with new wood windows at existing openings, add 2 new skylights (no cutting of existing framing).Details
replace 5 windows with new wood windows at existing openings, add 2 new skylights (no cutting of existing framing). | $5,000 |
| Jan 6, 2014 | Never finaled filed Jan 2014, never issued | 450 Jones St | change business from massage to day spa, add non structural wall to create a 36"w x 48"h x 34"d niche, which was a storage area to comply with nov# 201336701Details
change business from massage to day spa, add non structural wall to create a 36"w x 48"h x 34"d niche, which was a storage area to comply with nov# 201336701 | $250 | |
| Oct 16, 2013 | Expired or cancelled expired Jun 2017 | 4614 03rd St | Cbs Construction Inc., Infinite Construction | no sign-off of final until easement has been recorded; see pa#201303212727; place (e) pg & e meter into recessed niche to allow 3ft clearance; replace 2 windows with 1 hour wall.Details
no sign-off of final until easement has been recorded; see pa#201303212727; place (e) pg & e meter into recessed niche to allow 3ft clearance; replace 2 windows with 1 hour wall. | $1,400 |
| Aug 22, 2013 | Expired or cancelled withdrawn Jun 2015 | 4426 20th St | revision to pa #200911191662, to reduce dimensions of kitchen extension and deck to maintain 27'-6" rear yard setback as shown on pa 200911191662 and this permit.Details
revision to pa #200911191662, to reduce dimensions of kitchen extension and deck to maintain 27'-6" rear yard setback as shown on pa 200911191662 and this permit. | ||
| May 15, 2013 | Completed final sign-off Apr 2014 | 60 Temescal Tr | Ubhi Construction Inc | to comply with complaint # 201303001, revision to appl #2012.0705.4138 - replace old conc. fence w/(n) concrete footing & columns.Details
to comply with complaint # 201303001, revision to appl #2012.0705.4138 - replace old conc. fence w/(n) concrete footing & columns. | $1,000 |
| Feb 15, 2013 | Completed final sign-off May 2013 | 22 Castro St | Infinite Construction | revision to 201209280853. new 2x4 wall around the centerline post on 1st fl. new concrete slab lower to 30". new concrete steps to connect to new slab as shown on the plan. new retaining wall and footing around new lower floor where applysDetails
revision to 201209280853. new 2x4 wall around the centerline post on 1st fl. new concrete slab lower to 30". new concrete steps to connect to new slab as shown on the plan. new retaining wall and footing around new lower floor where applys | $10,000 |
| May 2, 2012 | Never finaled issued Mar 2013, no final | 359 London St | Jtm Developments | to an existing single family home, a new second floor addition is proposed, no increase of rear or front setbacks are proposed. only 128 additional footprint. (e) sf:1,159 + (n) sf:976 =2,135 sf.Details
to an existing single family home, a new second floor addition is proposed, no increase of rear or front setbacks are proposed. only 128 additional footprint. (e) sf:1,159 + (n) sf:976 =2,135 sf. | $300,000 |
| Oct 21, 2010 | Completed final sign-off Aug 2013 | 147 Andover St | revision to appl #201009281802 (per nov #2010774028): demo stucco & restore (e) ext details to victorian. change stair detail, back roof & walls to be remove & reframe to new standard & code requirement. new roof configuration, new dck/stair, and new four windows.Details
revision to appl #201009281802 (per nov #2010774028): demo stucco & restore (e) ext details to victorian. change stair detail, back roof & walls to be remove & reframe to new standard & code requirement. new roof configuration, new dck/stair, and new four windows. | $23,000 | |
| Dec 27, 2002 | Expired or cancelled withdrawn Feb 2005 | 4616 03rd St | replace the existing roof of the subsidewalk basement with a new concrete slab during the constructiDetails
replace the existing roof of the subsidewalk basement with a new concrete slab during the constructi | $2,600 |