677 46th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 677 46th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 50 permits, 21 not closed, and 1 violation.
- 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 677 46th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated earthquake risk.
Permits and code violations
21 permits not closed out. Unfinished permits pass to the next owner. No open violations.
- Otc alterations permit Mar 2023Cancelled
Change window (46"x29") to door (29"x80"). visible from street.
- Otc alterations permit Jun 2021Complete
Front stair repair -in kind. less than 50%
- Otc alterations permit Sep 2020Complete
Replace 12 aluminium windows with wood with alum-clad; 7 fcing the street and 5 in the rear. max u-factor 0.32 or better. no change in sizes.
- Otc alterations permit Aug 2019Complete
Install new window in existing opening, no window there before, at front entry porch. replace 2 sets of double hung sashes at read, wood for wood. fixed window with 5 over 1 lites similar to existing.
- Otc alterations permit Aug 2019Issued
Street space
- Otc alterations permit May 2019Issued
Street space
- Otc alterations permit Feb 2019Issued
Street space
- Additions alterations or repairs Sep 2018Complete
Revision to #201205160569 to correct mismeasurements (reduction of mass) new scope, relocate kitchen @ 3rd story, new bath @ 2nd level, reconfigure layout @ all stories, new windows@ rear to be reconfigured vs approv + doors.
- Additions alterations or repairs Sep 2018Complete
Revision to #201205160569 to correct mismeasurements (reduction of mass) new scope, relocate kitchen @ 3rd story, new bath @ 2nd level, reconfigure layout @ all stories, new windows@ rear to be reconfigured vs approv + doors.
- Otc alterations permit Aug 2018Complete
Seismic strengthen 1st floor and upgrade beam at 2nd floor framing
- Otc alterations permit Jul 2018Issued
Street space
- Otc alterations permit Feb 2018Complete
Remodel kitchen in-kind (no alteration of any walls)
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
Nearest active fault
6.2 mi
Serra fault zone, slip rate unspecified. Ask about seismic retrofit and earthquake insurance.
USGS Quaternary Fault Database
Quakes M4.5+ since 1970
1 within 30 mi
Every recorded earthquake of magnitude 4.5 or stronger within 30 miles.
USGS earthquake catalog
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
3,050 ft
Lafayette Elementary (3,050 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.
- 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.
- Test water pressure and temperature at the tap, in the bathroom and kitchen, for at least a minute.
- 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.
- Ask to see the construction documents (permit, sign-off) and check for visible cracks on the facade or in the attic/basement.
- 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.