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San Francisco

745;747 47th Avenue, San Francisco

Apartment building

technical data · neighborhood and transit

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Quick answers

Does 745;747 47th Avenue have open permits or code violations?
San Francisco Department of Building Inspection lists 53 permits, 20 not closed, and 16 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 745;747 47th Avenue at risk for?
FEMA's National Risk Index rates the area relatively moderate overall, with elevated earthquake risk.

Permits and code violations

20 permits not closed out. Unfinished permits pass to the next owner. No open violations.

  1. Otc alterations permit Mar 2024Complete

    Reroofing

  2. Otc alterations permit Dec 2023Complete

    Unit 1: ilo. permit for use of an intermediate length occupancy within existing legally permitted use and occupancy. no work perform.

  3. Otc alterations permit Sep 2023Complete

    Remove and replace 11 windows block frame, 1 window nail fin w/ flashing. 2 windows street facing.

  4. Otc alterations permit Aug 2023Complete

    Reroofing

  5. Otc alterations permit Oct 2022Issued

    Reroofing.

  6. Otc alterations permit Jul 2021Complete

    Remove (e) lath & plaster thru out (ceiling only). install 1 layer 5/8 type x 10 joist bays. r-19 insulation & 2 layer of 5/8 type x to joists.

  7. Otc alterations permit Mar 2019Complete

    Unit #2: bathroom remodel: toilet & sink to remain. remove & replace tub & surround. new floor tile & around tube. 5'x8'.

  8. Otc alterations permit Aug 2018Complete

    Replace (13) windows and (1) patio door, size-for-size, not visible from street, u-factor 0.30

  9. Otc alterations permit Jun 2018Issued

    Streetspace

  10. Otc alterations permit Jun 2015Complete

    Dry rot repair on front porch; repair one stringer, replce one post, replace one ledger, replace 3 of the joist and replace one rim joint.

  11. Otc alterations permit Jul 2014Complete

    Replace extg windows at rear. same size u=0.40 and dry rot repair in extg rear deck. deck less than 50%. no plan.

  12. Otc alterations permit May 2014Complete

    Remodel (e) kitchen, remove non-bearing wall and add a non bearing wall, add a sink to (e) toilet, remodel (e) bathroom. all work in second floor.

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

3,450 ft

Lafayette Elementary (3,450 ft), Washington (George) High (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

Sunlight

How the sun hits 745;747 47th Avenue, San Francisco

Sunlight at this address
How it works
Building typeApartment building

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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
Read the San Francisco city report →

Viewing 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 for the latest maintenance bill from a winter month, not a summer one: that's where the real cost of living there shows up.
  • 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.
  • 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.