837 47th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 837 47th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 37 permits, 9 not closed, and 0 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 837 47th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated earthquake risk.
Permits and code violations
9 permits not closed out. Unfinished permits pass to the next owner.
- Otc alterations permit Jul 2019Complete
Kitchen remodel: replace old cabinets w/ ikea cabinets. replace counters, new sink & faucets. add dishwasher. update paint & finish add shelves. replace linoleum w/hardwood to match. no structural work: no wall/framing modification
- Otc alterations permit May 2019Complete
Reroof (flat roof touch down) paint/repair door, less than 50% repair
- Otc alterations permit Jan 2019Complete
Inkind repair of damaged stucco siding at front facade, less then 50%
- Otc alterations permit Aug 2018Complete
Revision to 201708185255 remove proposed front roof deck. minor interior modification per plans. replace front 3 windows in kind with aluminum clad wood windows
- Otc alterations permit Oct 2017Complete
Replace 3 windows not visible from the street no structural changes max uy factor .32 retrofit vinyl
- Otc alterations permit Aug 2017Complete
1/f: add 2 bedrooms, 2 full baths, family room and laundry room. 2/f: remodel kitchen, bathroom and reconfigure interior stairs. 3/f: remodel bath, add new roof deck.
- Otc alterations permit Oct 2015Complete
Reroofing
- Otc alterations permit Oct 2013Complete
Reroofing
- Otc alterations permit Jan 2011Complete
Reroofing
- Otc alterations permit Apr 2008Complete
Convert a portion of ex. garage space into 1 bedroom, 1 study rm and 1 bath.
- Otc alterations permit Apr 2008Complete
Convert a portion of ex. garage space into 1 bedroom, 1 study rm and 1 bath.
- Otc alterations permit Feb 2008Issued
Reroofing
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
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
Wildfire risk
Very Low
Wildfire risk is low enough that standard home insurance usually covers it.
FEMA National Risk Index
Nearest public schools
3,650 ft
Lafayette Elementary (3,650 ft), Washington (George) High (5,250 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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837 47th Avenue is in San Francisco.
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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.
- 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.
- Schedule a viewing on a weekday too, between 6:00 and 7:30 PM, the window when the building is busiest: neighbors, parking, elevator.
- Knock on a neighboring door and ask two things: what bothers them most often, and what work is planned for the building.
- Look at the stairwell (cleanliness, smell) and the association's notice board: unpaid dues, conflicts, recent decisions.
- 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.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.