2279 47th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 2279 47th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 32 permits, 5 not closed, and 11 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 2279 47th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively high overall, with elevated earthquake and inland flooding risk.
Permits and code violations
5 permits not closed out. Unfinished permits pass to the next owner. No open violations.
- Otc alterations permit Mar 2026Complete
Repair rear stairs and landing, in-kind, 50% or less.
- Otc alterations permit Aug 2025Issued
Replace all siding around house.
- Otc alterations permit Aug 2025Complete
Remove and replace approximately 200 sq. ft. of existing roof sheathing/plywood with 1/2" c.d.x. plywood and nail #10 d @ 12" oc field #6 oc edges. roofing under seperate permit. reference 202508112763
- Otc alterations permit Aug 2025Complete
Re-roofing with torch down. reference 202508112771.
- Otc alterations permit Mar 2025Complete
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Otc alterations permit Aug 2024Complete
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Otc alterations permit Nov 2023Complete
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Otc alterations permit Sep 2020Complete
House has water damage and insurance remove drywall from master nbath, kitchen living rm. laundry, 1/2 bath. restore master bath, kitchen, lr, cabinets and fixtures kitchen and bath, fixtures drywall
- Otc alterations permit Aug 2018Complete
Re-roofing
- Otc alterations permit May 2017Complete
Re-roofing
- Otc alterations permit Oct 2014Complete
Replace front stairs in-kind, less than 50%.
- Otc alterations permit Oct 2009Complete
Revision to approved pa# 2009.05.05.7718. revised the room labels per building's / field's inspector request for clarificaton of (e) bedroom and weight room on ground floor. no work done under this permit.
San Francisco Department of Building Inspection
Safety and environment
FEMA natural hazard risk
Relatively High
Highest for this area: earthquake, inland flooding. These drive insurance cost here.
FEMA National Risk Index, census tract
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
1,750 ft
S.F. County Special Education (1,750 ft), Ulloa Elementary (3,050 ft), Sunset Elementary (3,050 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 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.
- 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.