391 Hanover Street, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 391 Hanover Street have open permits or code violations?
- San Francisco Department of Building Inspection lists 13 permits, 4 not closed, and 12 violations, 12 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 391 Hanover Street at risk for?
- FEMA's National Risk Index rates the area relatively low overall, with elevated earthquake risk.
Permits and code violations
4 permits not closed out. Unfinished permits pass to the next owner. 12 open violations.
- Otc alterations permit Dec 2023Complete
Demo/replace front entrance stair. re-build in kind
- Otc alterations permit May 2023Complete
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Otc alterations permit Nov 2018Issued
Reroofing
- Otc alterations permit Jun 2015Complete
Install (n) fire rated wall at garage and install (n) handrail
- Otc alterations permit Jul 2012Complete
Install vinyl siding in back and side wall, not visible from street.
- Otc alterations permit Jan 2009Issued
Put back to original legal unit. comply with#200723030.
- Otc alterations permit Aug 2006Complete
Reroofing
- Otc alterations permit Aug 2000Complete
Reroofing
- Otc alterations permit Jul 2000Expired
Street & sidewalk repair
- Additions alterations or repairs Aug 1995Complete
Bedroom #3 foundation bathroom and closet remodel kitchen
- Additions alterations or repairs Aug 1990Complete
Kitchen remodel(new electrical, plumbing, insulation) no str
- Additions alterations or repairs Dec 1983Expired
Construct an addition on the roof of an existng .
San Francisco Department of Building Inspection
Safety and environment
FEMA natural hazard risk
Relatively Low
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: Giusto Property, 5698 Mission Street (1,400 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
600 ft
George Washington Elementary (600 ft), Longfellow Elementary (1,050 ft), Panorama Elementary (1,900 ft). Confirm the assigned school with the district.
U.S. Department of Education, NCES
Major airport
7.2 mi
San Francisco International (SFO). Aircraft may be audible under approach paths.
FAA large-hub airports
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 Hanover Street
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.
- Schedule a viewing on a weekday too, between 6:00 and 7:30 PM, the window when the building is busiest: neighbors, parking, elevator.
- Look at the stairwell (cleanliness, smell) and the association's notice board: unpaid dues, conflicts, recent decisions.
- Ask for the latest maintenance bill from a winter month, not a summer one: that's where the real cost of living there shows up.
- Knock on a neighboring door and ask two things: what bothers them most often, and what work is planned for the building.
- Ask specifically where you'd park: is there paid city parking, who currently holds it, what the permit costs, and how long the waitlist is.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.
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