458 47th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 458 47th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 12 permits, 4 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 458 47th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated earthquake risk.
Permits and code violations
4 permits not closed out. Unfinished permits pass to the next owner.
- Otc alterations permit Jun 2021Complete
This project includes an addition within the extg ground level, including a master bedroom, master bathroom, family room and laundry alcove off the extg stairs and hallway. extg one car garage will remain, as well as the extg stairs from the main living level.
- Otc alterations permit Jun 2012Complete
Reroofing
- Otc alterations permit Nov 2010Issued
Remove and repl 7 windows in present window openings, no changes to sizes, 2 front street facing windows to be replaced with paitnable wood composite, andersen 100 series windows. five windows not visible from street to be replaced using simorton vinyl framed windows. andersen windows will be inst
- Otc alterations permit Jul 2009Complete
Construct new deck at rear.
- Otc alterations permit Jan 2009Complete
Reroofing
- Otc alterations permit Oct 2006Complete
Construct new shower room at (e) court yard. provide new non bearing walls and roof.
- Otc alterations permit May 2006Issued
Reroofing
- Otc alterations permit Oct 1997Complete
Install 4 in kind window not facing public way
- Otc alterations permit Feb 1996Expired
Reroofing
- Otc alterations permit Nov 1991Expired
Reroofing
- Additions alterations or repairs Mar 1989Complete
Relocate exist bathrm, upgrading sunrm for bedrm
- Additions alterations or repairs Jul 1983Complete
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
Leaking fuel tanks
2 within 1,650 ft
Nearest: Commercial, 101 Point Lobos Ave (1,100 ft), no further action. Every release here is closed by the state regulator.
EPA UST Finder, leaking underground storage tank releases
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
3,350 ft
Lafayette Elementary (3,350 ft), Washington (George) High (5,000 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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458 47th Avenue is in San Francisco, placing the address within the city itself.
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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.
- Look at the stairwell (cleanliness, smell) and the association's notice board: unpaid dues, conflicts, recent decisions.
- 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.
- 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.
The year built, height regime, structure, and elevator for this address are being indexed right now, city by city. Save the page and check back: it fills in over time. If you live here, you can fill it in yourself in a minute by leaving a review.