Christopher Kahanek
- Listed as
- engineer
- Firm
- Forensix Design
- Based in
- Los Angeles
- On San Francisco permits
- Oct 2024 to Jan 2026
15 permits since 2000 (engineer on 15 permits): 14 completed, 1 in progress.
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 |
|---|---|---|---|---|---|
| Jan 30, 2026 | Completed final sign-off Apr 2026 | 1675 Clay St | Redlog Flooring Services Corp | revision to pa #202511189862: new structural reinforcement and foundation work to address existing work.Details
revision to pa #202511189862: new structural reinforcement and foundation work to address existing work. | $40,000 |
| Jan 29, 2026 | Completed final sign-off Apr 2026 | 660 Clipper St | Dabl- Rr Builders Inc | repair stringer beam. this permit is a revision to 20250408-3969. new 8x11.5 both sides. updated drawings for 4x4 and simpson connector.Details
repair stringer beam. this permit is a revision to 20250408-3969. new 8x11.5 both sides. updated drawings for 4x4 and simpson connector. | $30,000 |
| Dec 12, 2025 | Completed final sign-off Apr 2026 | 175 21st Av | Redlog Flooring Services Corp | revision to pa# 202508153185 & 202502240980. replace rotted wall studs and posts per plan.Details
revision to pa# 202508153185 & 202502240980. replace rotted wall studs and posts per plan. | $30,000 |
| Dec 8, 2025 | Completed final sign-off Jan 2026 | 721 Geary St | Hon's Construction Inc. | 5th fl unit 24 existing window: infill with 6" fully grouted concrete masonry units. reinforce masonry infill with #4 bars as required for anchorage. apply parge coat to exterior surface and paint to match existing. finish interior surface with gypsum board to match existing.Details
5th fl unit 24 existing window: infill with 6" fully grouted concrete masonry units. reinforce masonry infill with #4 bars as required for anchorage. apply parge coat to exterior surface and paint to match existing. finish interior surface with gypsum board to match existing. | $24,800 |
| Nov 18, 2025 | Completed final sign-off Apr 2026 | 1675 Clay St | Redlog Flooring Services Corp | provide new foundation below (e) timber columns and wood framed walls as shown on as 100. remove and replace indicated timber post in kind. provide new post base connections cast into new column footings. remove and replace damaged region of (e) mudsillDetails
provide new foundation below (e) timber columns and wood framed walls as shown on as 100. remove and replace indicated timber post in kind. provide new post base connections cast into new column footings. remove and replace damaged region of (e) mudsill | $60,000 |
| Aug 6, 2025 | Completed final sign-off Oct 2025 | 3440 20th St | Redlog Flooring Services Corp | unit 311 and 314 balcony repairs - sister severely deteriorated framing. repair minor deterioration with woodepox or approved equivalent. replace full stucco soffit vents.Details
unit 311 and 314 balcony repairs - sister severely deteriorated framing. repair minor deterioration with woodepox or approved equivalent. replace full stucco soffit vents. | $25,000 |
| Jul 17, 2025 | Completed final sign-off Sep 2025 | 1920 Pacific Av | Redlog Flooring Services Corp | units 10 & 12: balcony repairs on joists, macoat application. repair cracker and loose stucco. replace deteriorated guard post at unit 10. replace deteriorated plywood decking and concrete toppings.Details
units 10 & 12: balcony repairs on joists, macoat application. repair cracker and loose stucco. replace deteriorated guard post at unit 10. replace deteriorated plywood decking and concrete toppings. | $40,000 |
| Jul 15, 2025 | Completed final sign-off Mar 2026 | 1234 Jones St | Axel8 Construction | remodel existing storage room to meet requirements for use as a trash room.Details
remodel existing storage room to meet requirements for use as a trash room. | $11,000 |
| Apr 9, 2025 | Completed final sign-off Jun 2025 | 4475 23rd St | Dabl- Rr Builders Inc | unit 1 & 5: front balconies repair. sister deteriorated joists repair loose guardrail base connectionDetails
unit 1 & 5: front balconies repair. sister deteriorated joists repair loose guardrail base connection | $32,000 |
| Apr 9, 2025 | In progress issued Apr 2025 | 1675 Clay St | Dabl- Rr Builders Inc | replace (e) column to girder connection plates. fill in holes with wood pox. reinforce (e) fractured wood girder and adjacent girder in basement storage room with sistered steel plates.Details
replace (e) column to girder connection plates. fill in holes with wood pox. reinforce (e) fractured wood girder and adjacent girder in basement storage room with sistered steel plates. | $9,000 |
| Apr 8, 2025 | Completed final sign-off Apr 2026 | 660 Clipper St | Dabl- Rr Builders Inc | remove guard rail post up to specified rust level. new wood blocking at guard rail post. install new post connection. remove corrosion off stringer geam. seal off openings with sealant.Details
remove guard rail post up to specified rust level. new wood blocking at guard rail post. install new post connection. remove corrosion off stringer geam. seal off openings with sealant. | $35,000 |
| Feb 24, 2025 | Completed final sign-off Apr 2026 | 175 21st Av | Redlog Flooring Services Corp | sb721 structural repairs, water proofing structural repairs, stucco replacement. to comply with nov #202430828 #2. repair decks unit 301,101,103,104,105,201Details
sb721 structural repairs, water proofing structural repairs, stucco replacement. to comply with nov #202430828 #2. repair decks unit 301,101,103,104,105,201 | $120,000 |
| Feb 12, 2025 | Completed final sign-off Jun 2025 | 10 Glendale St | Redlog Flooring Services Corp | fascial and water proofing, units 307 and 308 visible from streetDetails
fascial and water proofing, units 307 and 308 visible from street | $30,000 |
| Feb 10, 2025 | Completed final sign-off Apr 2025 | 1043 Minna St | to comply nov# 202418392, additional work permit to legalize existing as-built condition from pa# 201312194581 and to remove nov#202418392. location of (2) doors and (2) windows were swapped.Details
to comply nov# 202418392, additional work permit to legalize existing as-built condition from pa# 201312194581 and to remove nov#202418392. location of (2) doors and (2) windows were swapped. | ||
| Oct 18, 2024 | Completed final sign-off Dec 2025 | 969 Bush St | Dabl- Rr Builders Inc | make repairs per facade inspection report per sf facade maintenance program (sffmp) remove, prep and recoat loose and falling coating throughout exterior facade. repair instances of spalling concrete, seal open penetrations. secure unsecured pipes and wiring. replace cracked brick and in units...Details
make repairs per facade inspection report per sf facade maintenance program (sffmp) remove, prep and recoat loose and falling coating throughout exterior facade. repair instances of spalling concrete, seal open penetrations. secure unsecured pipes and wiring. replace cracked brick and in units... | $90,000 |