1735 47th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 1735 47th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 27 permits, 14 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 1735 47th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively high overall, with elevated earthquake risk.
Permits and code violations
14 permits not closed out. Unfinished permits pass to the next owner.
- Violation Feb 2026Issued
Solar permit: installing 13 solar pv modules, 440 watts per module, total no. of rating 5.72 kw. mounted: roof, ballasted: n | 5.72 kw roof mounted photovoltaic solar system on tilt up racking
- Otc alterations permit Nov 2025Issued
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Otc alterations permit Oct 2025Issued
Revision to approved pa#: 202410283881. add new roof deck and roof hatch per a13-057.
- Otc alterations permit Apr 2025Issued
New underpinning along (e) south permiter conc foundation that shares with southern neighbor at 1735 47th ave. this accomodates foundation replacement at 1735 47th ave. ref 202410283881
- Otc alterations permit Apr 2025Issued
New underpinning along (e) south permiter conc foundation that shares with southern neighbor at 1735 47th ave. this accomodates foundation replacement at 1735 47th ave. ref 202410283881
- Additions alterations or repairs Nov 2024Issued
New horizontal addition @ rear yard. new vertical 3rd floor addition & decks. new exterior cladding throughout. modifications to front facade. reconfiguration of interior walls. new interior stairs, relocate interior bathrooms & kitchen.
- Otc alterations permit Jun 2019Issued
Change front two windowsfor two new wood windows
- Otc alterations permit Mar 2019Complete
Replace 2 windows not visible from street. no structural changes. max u-factor 0.32 vinyl
- Otc alterations permit Jan 2015Complete
Revision to 201412012746 stucco replacement additional building permit repair termite damage in kind at the fron of the building. same molding as existing.
- Otc alterations permit Dec 2014Complete
Change out front 2 windows replace framing of windows due to termites
- Otc alterations permit Sep 2014Complete
Kitchen remodel. remove wall between kitchen and dining. enlarge opening at living room.
- Otc alterations permit Nov 2002Issued
Reroofing
San Francisco Department of Building Inspection
Safety and environment
FEMA natural hazard risk
Relatively High
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 #3390, 3701 Noriega St. (1,000 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
Nearest public schools
900 ft
Noriega Children Center (900 ft), Key (Francis Scott) Elementary (1,950 ft), Sunset Elementary (2,400 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.
- 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.
- Schedule a viewing in the evening too, on a weekday, to see street traffic, streetlights, and how quiet the neighborhood is after 8 PM.
- Check the sewer connection (public network or septic tank) and the water source (public network or well), including pressure and water quality.
- 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.
- Ask to see the construction documents (permit, sign-off) and check for visible cracks on the facade or in the attic/basement.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.