1859 48th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 1859 48th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 18 permits, 7 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 1859 48th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively high overall, with elevated earthquake risk.
Permits and code violations
7 permits not closed out. Unfinished permits pass to the next owner.
- Otc alterations permit Mar 2022Complete
Reroofing
- Otc alterations permit Aug 2012Issued
Street space
- Otc alterations permit Oct 2010Complete
Repair damaged wood framing. stucco wall. new garage door. paint . no change in configuration.
- Otc alterations permit Aug 2009Issued
Replace 2 windows in the back side of the house (not visible to the street)
- Otc alterations permit Nov 2006Issued
Reroofing
- Otc alterations permit Oct 2005Complete
Reroofing
- Otc alterations permit Jul 1995Complete
Termite repair as per report #10685
- Otc alterations permit Mar 1995Expired
Reroofing
- Otc alterations permit Jan 1995Complete
Repair and replace stucco, front windows, dry rot repair
- Otc alterations permit Sep 1994Complete
Repair the right side stair wall stucco,&repl dry rot
- Otc alterations permit Apr 1992Complete
Reroofing
- Additions alterations or repairs Dec 1991Complete
Revise to app #9021391 and 9116302
San Francisco Department of Building Inspection
Safety and environment
FEMA natural hazard risk
Relatively High
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: Tosco (Unocal) Station #3390, 3701 Noriega St. (1,250 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
Nearest public schools
1,350 ft
Noriega Children Center (1,350 ft), Sunset Elementary (2,350 ft), Key (Francis Scott) Elementary (2,800 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 48th 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.
- 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.
- 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.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.
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