1234 47th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 1234 47th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 40 permits, 19 not closed, and 11 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 1234 47th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated earthquake risk.
Permits and code violations
19 permits not closed out. Unfinished permits pass to the next owner. No open violations.
- Otc alterations permit Jul 2024Complete
Replace damaged siding through back of building, approx. 800 sq ft. sporadic damage to framing, repair damage a like in kind.
- New construction wood frame Nov 2019Cancelled
Erect a 2 story, 1 dwelling single family with no basement, type v
- Otc alterations permit May 2019Complete
Remove e walls at 2nd fl to create en suite access to e bathroom, remove wall at garage level to create closet
- Otc alterations permit May 2019Complete
Remove e walls at 2nd fl to create en suite access to e bathroom, remove wall at garage level to create closet
- Otc alterations permit Feb 2019Complete
Revision to bpa# 2017-0329-2666 & 2015-1022-0567: revise steel beam (at the rear) detail 12 sheet s0.3
- Otc alterations permit Feb 2019Complete
Recommencement and completion of work approved under pa#201703292666 & 201510220567s1
- Otc alterations permit Feb 2019Complete
Recommencement and completion of work approved under pa#201703292666 & 201510220567s1
- Otc alterations permit Oct 2018Issued
Street space only
- Otc alterations permit Oct 2018Complete
New retaining walls at rear yard
- New construction wood frame Aug 2017Withdrawn
To erect 2 stories, no basement, typ v-b, single family dwelling residence. (rear bldg)
- Otc alterations permit May 2017Issued
Street space permit
- Otc alterations permit Mar 2017Complete
Revision to permit #2015-10-22-0567 s-1. reconfigure roof deck elements add heater support posts, replace skylight and guardrails in-kind
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: Tosco/Unocal Station #0433, 1200 La Playa St. (700 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
Wildfire risk
Very Low
Wildfire risk is low enough that standard home insurance usually covers it.
FEMA National Risk Index
Nearest public schools
2,350 ft
Key (Francis Scott) Elementary (2,350 ft), Noriega Children Center (3,600 ft), Sunset Elementary (5,100 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 47th 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.
- 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 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 exactly where you'd park: a spot in the yard or garage, or street parking, and how crowded the street gets in the evening.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.