80 Belle Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 80 Belle Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 17 permits, 1 not closed, and 1 violation.
- 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 80 Belle Avenue at risk for?
- FEMA's National Risk Index rates the area relatively low overall, with elevated earthquake risk.
Permits and code violations
1 permit not closed out. Unfinished permits pass to the next owner. No open violations.
- Otc alterations permit Mar 2023Complete
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Otc alterations permit May 2008Complete
Remodel basement, convert(e) storage into (n) bedroom, adding 1 full bathroom, family room & laundry at ground floor.
- Otc alterations permit Jan 2003Complete
2 back retrofit window replacement, backside vinyl windows 2/fl.
- Otc alterations permit Jul 2002Complete
Revised anchor bolts to existing footing & wall siding per plans. under app#200107103266
- Additions alterations or repairs Jul 2001Complete
Side extension at rear area including rmdl at rear 2nd fl,bedroom,familyrm,full bth gr fl skylt 2nd
- Otc alterations permit Jun 2000Complete
Add rooms at grouond floor/two bedroom,one laundry & full bath
- Additions alterations or repairs Sep 1998Complete
Horizontal addition
- Additions alterations or repairs Jan 1998Complete
Add bath & bed room @ gound floor
- Otc alterations permit Dec 1997Expired
Reroofing
- Otc alterations permit Nov 1997Complete
Termite repair
- Additions alterations or repairs Mar 1992Complete
Horizontal addition.
- Otc alterations permit Nov 1991Complete
Vinyl siding (alside) to front por5ch ceilign & bedroom
San Francisco Department of Building Inspection
Safety and environment
FEMA natural hazard risk
Relatively Low
Highest for this area: earthquake. These drive insurance cost here.
FEMA National Risk Index, census tract
Leaking fuel tanks
1 within 1,650 ft
Nearest: San Francisco Golf Course, 1300 Junipero Serra Blvd (1,150 ft), no further action. Every release here is closed by the state regulator.
EPA UST Finder, leaking underground storage tank releases
Brownfield site
1,300 ft
Habitat For Humanity De Long Street Properties Habitat For Humanity Parcel 8 and 2 more within half a mile. Former industrial land in EPA's cleanup and reuse program.
EPA ACRES Brownfields
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
2,350 ft
Woodrow Wilson Elementary (2,350 ft), Westlake Elementary (2,900 ft), Ortega (Jose) Elementary (2,950 ft). Confirm the assigned school with the district.
U.S. Department of Education, NCES
Major airport
8.1 mi
San Francisco International (SFO). Aircraft may be audible under approach paths.
FAA large-hub airports
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 Belle 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.
- Look at the stairwell (cleanliness, smell) and the association's notice board: unpaid dues, conflicts, recent decisions.
- 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.
- Schedule a viewing on a weekday too, between 6:00 and 7:30 PM, the window when the building is busiest: neighbors, parking, elevator.
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.