1275 47th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 1275 47th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 35 permits, 15 not closed, and 27 violations, 5 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 1275 47th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated earthquake risk.
Permits and code violations
15 permits not closed out. Unfinished permits pass to the next owner. 5 open violations.
- Otc alterations permit Jan 2026Complete
Unit 7: to comply with nov 2022542811 items 2-4: remove 4 sliding windows and install 4 sliding white vinyl windows. street visible.
- Otc alterations permit Oct 2025Issued
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Otc alterations permit Oct 2025Complete
Replace 1 retrofit entry door in swinging street facing. existing wood-inswing entry door, new wood composite- inswing entry door. door is in kind and installed in same opening.
- Otc alterations permit Apr 2024Complete
Like for like replacement of 3 windows (none visible from the street) -to comply with nov: 202418017 units 2 and 3. u-factor 0.30 max.
- Otc alterations permit Mar 2024Complete
Replace (4) street visible windows. (e) wood, (n) alum clad wood. no size change. < .30 max
- Otc alterations permit Mar 2023Complete
Reroofing
- Otc alterations permit Nov 2022Issued
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Otc alterations permit Jul 2021Complete
Replacing 1 patio door, french door, retrofit fashion, non street facing. existing: aluminum. proposed: french wood. u factor less than 0.30
- Otc alterations permit Dec 2019Complete
Unit # 7: remodel kitchen and bathroom. no structural work under this permit.
- Otc alterations permit Oct 2019Issued
Street space
- Otc alterations permit Sep 2019Complete
Upgrade (e) fa system to provide sprinkler monitoring and install low freq sounders in all sleeping areas per sffc section 1103.7.6.1 ref 201805118890 201908158931
- Otc alterations permit Aug 2019Complete
Install 38 new fire sprinkler heads in ground floor adu per nfpa#13 and new underground fire service per nfpa24. ref app#201805118890
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
Leaking fuel tanks
1 within 1,650 ft
Nearest: Tosco/Unocal Station #0433, 1200 La Playa St. (700 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
Wildfire risk
Very Low
Wildfire risk is low enough that standard home insurance usually covers it.
FEMA National Risk Index
Nearest public schools
2,200 ft
Key (Francis Scott) Elementary (2,200 ft), Noriega Children Center (3,400 ft), Sunset Elementary (4,900 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.
- Semi-detached or row house: the shared wall matters. Listen from the room adjoining the neighbor's side and ask whether any structural work has been done there.
- This is a house, not an apartment. Check the lot boundaries, car access, and how water drains from the yard after rain, including whether the neighboring lot sits higher and could send water toward the property.
- Test water pressure and temperature at the tap, in the bathroom and kitchen, for at least a minute.
- Check the roof, gutters, and downspouts for signs of leaks or recent repairs, especially if it has rained recently.
- Check the condition of the fence, yard, and sidewalk out front: who is responsible for upkeep, and whether there are any boundary disputes with neighbors.
- Knock on a neighboring gate and ask about noise, pets, flooding, or other issues common in the area.
- Check exactly where you'd park: a spot in the yard or garage, or street parking, and how crowded the street gets in the evening.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.