735 47th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 735 47th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 60 permits, 23 not closed, and 14 violations.
- What is the 2026 conforming loan limit in San Francisco County?
- $1,249,125 for a single-unit home, per FHFA. Larger loans are jumbo loans.
- Is radon a problem here?
- EPA radon zone 2, moderate potential.
- What natural disasters is 735 47th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated earthquake risk.
Permits and code violations
23 permits not closed out. Unfinished permits pass to the next owner. No open violations.
- Otc alterations permit Jul 2024Filed
Replace 4 single pan aluminium windows with double pane winyl windows for energy efficiency & noise reduction (street facing)
- Otc alterations permit Jul 2024Filed
Replace 4 single pan aluminium windows with double pane winyl windows for energy efficiency & noise reduction (street facing)
- Otc alterations permit Mar 2024Complete
Reroofing
- Otc alterations permit Dec 2023Complete
Unit 1: ilo. permit for use of an intermediate length occupancy within existing legally permitted use and occupancy. no work perform.
- Otc alterations permit Sep 2023Complete
Remove and replace 11 windows block frame, 1 window nail fin w/ flashing. 2 windows street facing.
- Otc alterations permit Oct 2022Issued
Reroofing.
- Otc alterations permit Dec 2021Complete
Repair left side lightwell stairs, less than 50%, not visible from street. replace with new wood in kind.
- Otc alterations permit Jul 2021Complete
Remove (e) lath & plaster thru out (ceiling only). install 1 layer 5/8 type x 10 joist bays. r-19 insulation & 2 layer of 5/8 type x to joists.
- Otc alterations permit Jun 2020Complete
Change out (1) window in bedroom like for like retrofit. (1) retrofit vinyl window not visible from the street. maintain bedroom emergency/egress window.
- Otc alterations permit Mar 2019Complete
Unit #2: bathroom remodel: toilet & sink to remain. remove & replace tub & surround. new floor tile & around tube. 5'x8'.
- Otc alterations permit Aug 2018Complete
Replace (13) windows and (1) patio door, size-for-size, not visible from street, u-factor 0.30
- Otc alterations permit Jun 2018Issued
Streetspace
San Francisco Department of Building Inspection
Safety and environment
FEMA natural hazard risk
Relatively Moderate
Highest for this area: earthquake. These drive insurance cost here.
FEMA National Risk Index, census tract
Nearest active fault
6.1 mi
Serra fault zone, slip rate unspecified. Ask about seismic retrofit and earthquake insurance.
USGS Quaternary Fault Database
Quakes M4.5+ since 1970
1 within 30 mi
Every recorded earthquake of magnitude 4.5 or stronger within 30 miles.
USGS earthquake catalog
Radon potential
Moderate
Average indoor levels of 2 to 4 pCi/L. EPA still suggests testing ground-floor and basement units.
EPA and USGS Geologic Radon Potential Map
Nearest public schools
3,450 ft
Lafayette Elementary (3,450 ft), Washington (George) High (5,100 ft). Confirm the assigned school with the district.
U.S. Department of Education, NCES
Conforming loan limit 2026
$1,249,125
San Francisco County. Mortgages up to this amount qualify for Fannie Mae and Freddie Mac pricing. Above it, the loan is a jumbo with stricter terms.
FHFA Conforming Loan Limit Values, one-unit
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Who lives and works in San Francisco
Venture capital, AI labs and the highest founder density in the country
San Francisco runs on company building. Engineering and product salaries set the price floor, offices cluster in SoMa and the Mission, and demand moves with funding cycles rather than with the school calendar.
- $141,446
- median household income
- 19.6%
- residents aged 25 to 34
- 38%
- households that own their home
What pays the bills
- Software and AI
- Venture capital
- Biotech
- Professional services
- Tourism
Who anchors the economy
OpenAI · Salesforce · Stripe · UCSF · Y Combinator
The market is shaped around
- Founders and engineers
- Early career tech workers
- People who move for a company
More on 47th Avenue
All addressesViewing recommendations
What's worth checking in person before deciding.
- Test water pressure and temperature at the tap, in the bathroom and kitchen, for at least a minute.
- Knock on a neighboring door and ask two things: what bothers them most often, and what work is planned for the building.
- Schedule a viewing on a weekday too, between 6:00 and 7:30 PM, the window when the building is busiest: neighbors, parking, elevator.
- Ask specifically where you'd park: is there paid city parking, who currently holds it, what the permit costs, and how long the waitlist is.
- Ask for the latest maintenance bill from a winter month, not a summer one: that's where the real cost of living there shows up.
- Look at the stairwell (cleanliness, smell) and the association's notice board: unpaid dues, conflicts, recent decisions.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.