631 46th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 631 46th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 24 permits, 8 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 631 46th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated earthquake risk.
Permits and code violations
8 permits not closed out. Unfinished permits pass to the next owner.
- Otc alterations permit Jan 2025Complete
Installation of insulation, staggered studs mass loaded vinyl and 2 layers of 5/8" drywall on bedroom wall and bedroom closet.
- Otc alterations permit Apr 2022Complete
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Additions alterations or repairs Jun 2021Approved
Vertical addition to convert an (e) 2-story residence to 3-story residence w/ interior stair. remodel (e) kitchen.
- Otc alterations permit Feb 2016Complete
Inkind repair 80 sf of stucco on front facade
- Otc alterations permit Aug 2008Issued
Reroofing
- Otc alterations permit Jun 2008Complete
Reroofing
- Otc alterations permit Feb 2006Complete
Add rooms at ground floor/2 bedrooms/half bath and storage/remodel extg kchn, bedroom; add a new bath at 2nd floor, add rear deck and stair to rear yard,convert extg dinning room to new bedroom and bath
- Otc alterations permit Mar 2003Expired
Install 10 replacement windows/5 front to be wood double hung/5 rear to be vinall windows
- Otc alterations permit Jan 2003Complete
Dry rot repair only-side stairs & bay window only-item 4a- & 6a listed in termite rpt no. 3167, by s
- Otc alterations permit Jan 2003Complete
Remodel kitchen:replace kitchen cabinets,remove extng plaster,installation & sheetrock,electrical wi
- Otc alterations permit Oct 2002Complete
Add 1 bedroom, 1 playroom, 1 full bath on exist ground floor per plan.
- Otc alterations permit Oct 2000Complete
Renew expired appl #9917495
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: Commercial, 101 Point Lobos Ave (1,450 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
3,000 ft
Lafayette Elementary (3,000 ft), Washington (George) High (4,700 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 46th 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.
- 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.
- 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.
- Knock on a neighboring gate and ask about noise, pets, flooding, or other issues common in the area.
- 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.
- Check the sewer connection (public network or septic tank) and the water source (public network or well), including pressure and water quality.
- Check the roof, gutters, and downspouts for signs of leaks or recent repairs, especially if it has rained recently.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.