2247 47th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 2247 47th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 21 permits, 5 not closed, and 11 violations, 2 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 2247 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. 2 open violations.
- Otc alterations permit Jan 2026Complete
Install 30ft of 4in rigid metal dryer exhaust duct, including exterior termination. install duct power ventilator with pressure sensing. comply with nov #202649134, item 3. terminate per cmc 502.2.1
- Otc alterations permit Jun 2025Complete
Comply w/ nov 202537777: revision to pa # 202505206906 - add half bath at 2/f.
- Otc alterations permit May 2025Complete
Bathroom remodel on second floor in kind, no moving walls. approx. 40 sqft.
- Otc alterations permit Feb 2021Complete
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Otc alterations permit Aug 2020Complete
Remodel existing 1st floor bathroom, laundry, & garage. add rear deck.
- Otc alterations permit Jul 2020Complete
Cosmetic kitchen remodel only. no structural work. no walls moved. no work to building envelope.
- Otc alterations permit Mar 2016Complete
Reroofing.
- Otc alterations permit Dec 2014Issued
Reroofing
- Otc alterations permit Sep 2014Complete
Reapir the front side stairs. remove existing concrete treatds and risers and replace with new granite treads and risers (light cream color). no change to existing stair dimensions or heights.
- Otc alterations permit Jun 2014Issued
Reroofing
- Additions alterations or repairs Dec 2011Filed
Comply nov 200338937-ces. new addition 15'x18' (270 ft), grandpa/ma and new bathroom at the rear. to legalize computer room at 2nd floor. new exercise room at 1st floor.
- Otc alterations permit May 2007Issued
Install 3 vinyl windos in kind into (e) frames. no change in size or location. windows do not face the street. if applicable, bedroom windows will comply with section 301.4 for rescue. all windows will be double pane and have a u factor of .30.
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), Sunset Elementary (2,900 ft), Ulloa Elementary (3,200 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.
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