770 48th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 770 48th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 29 permits, 13 not closed, and 14 violations, 12 open.
- 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 770 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. 12 open violations.
- Otc alterations permit Nov 2025Issued
To obtain final inspection for work approved under pa# 202303022915. all work is complete.
- Otc alterations permit Nov 2025Issued
To obtain final inspection for work approved under pa# 202002134456 & pa# 202208251292. all work is complete.
- Otc alterations permit Mar 2023Issued
Revision to pa# 202002134456, redesign 2 bathrooms upstairs.
- Otc alterations permit Aug 2022Issued
Revision to 202002134456 revision to shear wall at 1st and 2nd fl with new hardie siding at back of building. add hold downs and strapping. replace s1.1 with new sheet.
- Otc alterations permit Dec 2021Complete
Remodel bathroom at level 1. add deck at rear yard.
- Otc alterations permit Dec 2020Issued
Reroofing.
- Otc alterations permit Feb 2020Issued
Enclose (e) tunnel entry, new bedroom and bathroom at level 1 enclose existing lightwell addition of master bathroom at level 2 remodel bathroom at level 2
- Otc alterations permit Aug 2016Complete
Remove aluminum windows and install 2 solid wood windows - marvin casements in front and 4 vinyl windows in the rear - all meet title 24
- Otc alterations permit Jun 2016Complete
Replace in kind, bathroom 1: tiles, shower glass enclosure, vanity, toilet, one wall light fixture, recessed lights; replace in kind, bathroom 2: tiles, bathtub, glass enclosure, vanity, toilet, recessed light. no change on walls.
- Otc alterations permit Aug 2015Complete
Re-roofing
- Otc alterations permit Sep 2014Complete
Remodel kitchen, replace flooring, cabinets, counters & energy compliant lighting (all works are within kitchen). lighting & control per cec 150(k).
- Otc alterations permit May 2013Issued
Street space permit
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
3,650 ft
Lafayette Elementary (3,650 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.
- 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.
- 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.