Christopher Benno Kahanek
Engineer · Forensix Design · Phoenix
Public records
From the licensing board and the city of San Francisco.
The short answer
- Licensed?
- License activeStructural Engineer S-5591First issued Jan 25, 2011, expires Jun 30, 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?
- 12 permits since 2024, 12 in the last 5 years. Latest filed Dec 8, 2025.
- What kind of projects?
- Deck, stairs or patio cover 4 · Other 3 · Home remodel 2
- How long do their permits take?
- Deck, stairs or patio cover: within 1 month. 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.
Deck, stairs or patio cover: 4 permits in San Francisco
Time to get a permit
Median from filing to permit, from 4 issued permits filed since 1966. City is the San Francisco median for the same kind of review, from 5,178 permits.
Where
- Noe Valley2
- Mission1
- Pacific Heights1
Most recent
- 3440 20th StUnit 311 and 314 balcony repairs - sister severely deteriorated framing. repair minor deterioration with woodepox or approved equivalent. replace full stucco soffit vents.Aug 6, 2025Complete
- 1920 Pacific Av #0Units 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.Jul 17, 2025Complete
- 4475 23rd St #0Unit 1 & 5: front balconies repair. sister deteriorated joists repair loose guardrail base connectionApr 9, 2025Complete
- 660 Clipper StRemove 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.Apr 8, 2025Complete
| Filed | Project | Type | Status | Time to permit | Open |
|---|---|---|---|---|---|
| Jan 30, 2026 | 1675 Clay St Revision to pa #202511189862: new structural reinforcement and foundation work to address existing work. Complete | Revision or supplement | Complete | Within 1 month | |
| Jan 29, 2026 | 660 Clipper St Repair stringer beam. this permit is a revision to 20250408-3969. new 8x11.5 both sides. updated drawings for 4x4 and simpson connector. Complete | Revision or supplement | Complete | Within 1 month | |
| Dec 12, 2025 | 175 21st Av Revision to pa# 202508153185 & 202502240980. replace rotted wall studs and posts per plan. Complete | Revision or supplement | Complete | Within 1 month | |
| Dec 8, 2025 | 721 Geary St 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. Complete | Other | Complete | Within 1 month | |
| Nov 18, 2025 | 1675 Clay St 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 Complete | Seismic retrofit or foundation | Complete | Within 1 month | |
| Aug 6, 2025 | 3440 20th St Unit 311 and 314 balcony repairs - sister severely deteriorated framing. repair minor deterioration with woodepox or approved equivalent. replace full stucco soffit vents. Complete | Deck, stairs or patio cover | Complete | 1 month | |
| Jul 17, 2025 | 1920 Pacific Av #0 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. Complete | Deck, stairs or patio cover | Complete | Within 1 month | |
| Jul 15, 2025 | 1234 Jones St Remodel existing storage room to meet requirements for use as a trash room. Complete | Home remodelType unconfirmed | Complete | 3 months | |
| Apr 9, 2025 | 1675 Clay St #0 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. Issued | Home remodel | Issued | Within 1 month | |
| Apr 9, 2025 | 4475 23rd St #0 Unit 1 & 5: front balconies repair. sister deteriorated joists repair loose guardrail base connection Complete | Deck, stairs or patio cover | Complete | Within 1 month | |
| Apr 8, 2025 | 660 Clipper St 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. Complete | Deck, stairs or patio cover | Complete | Within 1 month | |
| Feb 24, 2025 | 175 21st Av Sb721 structural repairs, water proofing structural repairs, stucco replacement. to comply with nov #202430828 #2. repair decks unit 301,101,103,104,105,201 Complete | Legalize or fix a violation | Complete | 1 month | |
| Feb 12, 2025 | 10 Glendale St #0 Fascial and water proofing, units 307 and 308 visible from street Complete | Other | Complete | Within 1 month | |
| Feb 10, 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. Complete | Legalize or fix a violation | Complete | 2 months | |
| Oct 18, 2024 | 969 Bush St #0 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... Complete | Other | Complete | 2 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.
Are you Christopher Benno Kahanek? Request a correction.