686 47th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 686 47th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 38 permits, 8 not closed, and 8 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 686 47th 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. No open violations.
- Otc alterations permit May 2026Issued
Top floor: remodel 2 bathrooms and kitchen in kind. upgrade electrical wires of the unit, and upgrade sub-panel.
- Otc alterations permit Jul 2019Complete
To comply with nov #201918663, dated 1/31/2019, remodel kitchen & bathroom caused by water damage
- Otc alterations permit May 2018Complete
Reroofing
- Otc alterations permit Mar 2018Complete
Re-roofing
- Otc alterations permit Mar 2017Complete
Re-roofing
- Otc alterations permit Nov 2016Cancelled
Upgrade foundation & add new bedroom, media room & laundry on 1st floor with kitchen. (change of use from single to two-family)
- Otc alterations permit Nov 2016Complete
Inkind replacement of visible windows (6) with aluminum-clad wood; other non-visible windows with other material ok
- Otc alterations permit Mar 2016Complete
Remodel bathroom at 2nd floor.
- Otc alterations permit Dec 2015Issued
Street space
- Otc alterations permit Jul 2014Complete
Replace one front window for same size, window ill be marvin, wood material.
- Otc alterations permit Nov 2012Complete
Kitchen remodel-new cabinets & appliances, counter tops, new hardwood fl. new wall light fixture locations in dining rm & under cabinet lighting in kitchen, ceiling lighting stay as is. all walls stay as is, no change in wall layout/openings
- Otc alterations permit Oct 2012Expired
Replace (e) windows with wood clad windows (6) repair dryrot framing @ windows. repair stucco (2) replace (e) exterior wood doors with new wood clad doors. visible from street.
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
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
3,200 ft
Lafayette Elementary (3,200 ft), Washington (George) High (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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686 47th Avenue is in San Francisco.
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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.
- 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.
- Check the roof, gutters, and downspouts for signs of leaks or recent repairs, especially if it has rained recently.
- Ask to see the construction documents (permit, sign-off) and check for visible cracks on the facade or in the attic/basement.
- Check the sewer connection (public network or septic tank) and the water source (public network or well), including pressure and water quality.
- Ask what heating system is in place (own boiler, wood, gas) and request the last winter month's bills.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.