348 Peninsula Avenue, San Francisco
Estimated number, map position is approximatetechnical data · neighborhood and transit
Quick answers
- Does 348 Peninsula Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 36 permits, 14 not closed, and 9 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 348 Peninsula Avenue at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated earthquake risk.
Permits and code violations
14 permits not closed out. Unfinished permits pass to the next owner. No open violations.
- Otc alterations permit Feb 2022Complete
Reroofing
- Otc alterations permit Sep 2014Issued
Reroofing
- Otc alterations permit May 2014Complete
Siding repair at rear of building, painting & change 2 locks for back door, comply to complaint #201466971, repair 100 sq.ft. of siding.
- Otc alterations permit Apr 2012Issued
Replacement in kind (e) 15 windows, no changes in size. 7 at front.
- Otc alterations permit Apr 2012Complete
Reroofing
- Otc alterations permit Mar 2012Complete
2nd fl relocate kitchen, add 1 bath, remodel in kind 1 bath, infill 1 window, remove wall between living room and hall. change e kitchen to study room. 2 skylights and 1 skytube. lower: remove interior wood between e storage, patch leak at roof
- Otc alterations permit Jan 2012Complete
Remove (e) wall & ceiling covering at dining, and rear bedroom, install r-13 insulation for walls and r-30 insulation for ceilings. install new 5/8 dry wall for new walls and ceilings coverings.
- Otc alterations permit Dec 2011Complete
To obtain final inspection for work approved under pa 200808088800; allwork is complete, remove plumbing, cap off at source, remove electrical cap off at source
- Otc alterations permit Mar 2011Complete
Repair to back staircase less than 50 % repair
- Otc alterations permit Sep 2008Complete
Replace dryrot damaged ti-11 on street side only. replace in kind. detached garage-replacing south facing siding 128 sq ft.
- Otc alterations permit Aug 2008Issued
To remove illegal storage at the rear of the property approx. 8'-6"x17'-9". cap-off all plumbing to source. compt #200671007 and 200670584.
- Additions alterations or repairs Oct 2006Withdrawn
Construct a horizontal addition at rear of bldg. 14'5"x 7'2" and 9'10" ht. has a window, one door for laundry room for washer/dryer. to comply with nov 200670584.
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
5.4 mi
San Andreas fault zone, slip rate greater than 5.0 mm/yr. Ask about seismic retrofit and earthquake insurance.
USGS Quaternary Fault Database
Quakes M4.5+ since 1970
2 within 30 mi
Every recorded earthquake of magnitude 4.5 or stronger within 30 miles.
USGS earthquake catalog
Superfund site
1.9 mi
Hunters Point Naval Shipyard (NPL Site). Check groundwater and vapor reports on the EPA site page.
EPA National Priorities List
Leaking fuel tanks
11 within 1,650 ft
Nearest: Macor Inc./Norcal Waste System, 401 Tunnel Ave (900 ft), no further action. Every release here is closed by the state regulator.
EPA UST Finder, leaking underground storage tank releases
Brownfield site
800 ft
Blanken Ave Parking Lot Former Schlage Lock Facto. Former industrial land in EPA's cleanup and reuse program.
EPA ACRES Brownfields
Toxic release facility
1,200 ft
Schlage Lock Co and 1 more within a mile. Reports chemical releases to air, water or land to EPA each year.
EPA Toxics Release Inventory
High-voltage line
800 ft
115 kV line run by PACIFIC GAS & ELECTRIC COMPANY.
HIFLD transmission lines
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
Wildfire risk
Very Low
Wildfire risk is low enough that standard home insurance usually covers it.
FEMA National Risk Index
Nearest public schools
3,150 ft
Visitacion Valley Elementary (3,150 ft), KIPP Bayview Academy (3,250 ft), El Dorado Elementary (3,550 ft). Confirm the assigned school with the district.
U.S. Department of Education, NCES
Major airport
6.5 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 Peninsula 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.
- 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.
- Knock on a neighboring door and ask two things: what bothers them most often, and what work is planned for the building.
- 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.
- 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.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.
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