746 48th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 746 48th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 23 permits, 13 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 746 48th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated earthquake risk.
Permits and code violations
13 permits not closed out. Unfinished permits pass to the next owner.
- Otc alterations permit Oct 2024Complete
Re-roofing - flat roof. (no torch/ no hot work)
- Otc alterations permit Aug 2019Complete
Remodel existing bathroom.
- Otc alterations permit Oct 2018Issued
Street space sidewalk repair.
- Additions alterations or repairs Jun 2018Issued
Replaced (6) side-windows visible from street with wood-clad fiberglass.
- Otc alterations permit Mar 2015Cancelled
Convert existing window to a slide door, provide an access to rear yard with stairs, voluntary provide a story wall on 2nd floor.
- Otc alterations permit Oct 2011Complete
Repair front stairs - in kind less than 50%. replace (e) d-fir base of stair stringer at rear stairs. use presure treated d-fir in kind and stair base hardware on rear stairs. less than 50% repair.
- Otc alterations permit Aug 2008Issued
Remove damaged concrete step at house entry & replace same. patch stucco to match existing. repair only. no new construction.
- Otc alterations permit Dec 2004Expired
Dryrot repair like in kind rear entry area approx 3x10. 1) landing 2) 12 steps
- Otc alterations permit Sep 2004Expired
Reroofing
- Otc alterations permit Aug 2004Expired
Sister six 2 by 10 p.t. lumber to existing joist at roof deck, dry rot repair & set mortar & tile li
- Otc alterations permit Nov 2000Expired
Sidewalk repair
- Otc alterations permit Aug 2000Expired
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
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
3,600 ft
Lafayette Elementary (3,600 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.
- 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 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.
- 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.