1774 47th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 1774 47th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 13 permits, 5 not closed, and 23 violations, 7 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 1774 47th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively high overall, with elevated earthquake risk.
Permits and code violations
5 permits not closed out. Unfinished permits pass to the next owner. 7 open violations.
- Otc alterations permit Sep 2016Issued
Repair brick stairs at front. remove and replace dryrotted sheathing, framing, reflash sidewalls, use pressure treated framing and plywood. replace brick in-kind.
- Otc alterations permit Feb 2012Complete
Comply with his nov 200722230. remodel existing 1st floor spaces/rooms to have 1 car parking garage, 1 bathroom, 1 family room, 1 study room. provide laundry facility and new energy efficient furnace in garage.
- Otc alterations permit Nov 2010Issued
Replace 6 windows, size for size (4) alum to vinyl, u-valve 0.38 (2) alum to wood composite, 4 in rear of house 1(2) in front visible from st
- Otc alterations permit Oct 2010Complete
To comply with complaint #201071027; remove wet bar on ground floor sitting room
- Otc alterations permit Jan 2010Issued
Remove illegal stove & bathroom at 1st floor.
- Additions alterations or repairs May 2007Complete
Two story extension at rear of existing building.
- Otc alterations permit Jan 1996Expired
Window replacement
- Otc alterations permit Oct 1993Expired
Reroofing
- Otc alterations permit May 1992Complete
Reroofing
- Otc alterations permit Apr 1992Complete
Reroofing
- Otc alterations permit Feb 1987Complete
Install aluminum windows
- Otc alterations permit Apr 1984Complete
Installation of 1 aluminum window in the living room
San Francisco Department of Building Inspection
Safety and environment
FEMA natural hazard risk
Relatively High
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 #3390, 3701 Noriega St. (800 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
750 ft
Noriega Children Center (750 ft), Key (Francis Scott) Elementary (2,050 ft), Sunset Elementary (2,150 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.
- 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.
- Schedule a viewing in the evening too, on a weekday, to see street traffic, streetlights, and how quiet the neighborhood is after 8 PM.
- Check the sewer connection (public network or septic tank) and the water source (public network or well), including pressure and water quality.
- 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.