891 45th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 891 45th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 44 permits, 19 not closed, and 33 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 891 45th 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 Jan 2026Issued
891-893 45th ave: replace 4 (e) front-facting ext windows in-kind. no change to window size,rough opening,location,configuration, or ext appearance. (e) framing to remain. no other work performed.
- Otc alterations permit Jun 2025Complete
Reponse to nov# 202532754 to remove un-permitted garage cover and replace with pressure treated elements.
- Otc alterations permit May 2025Complete
Relocate the kitchen to (e) dining room at 2nd fl. convert current kitchen into a study room at 2nd fl. remove (e) shower to remodel (e) bathroom at 2nd fl. upgrade electrical service to 200 amp
- Otc alterations permit Nov 2023Complete
Revision to pa#202309217136 to replace extg damaged windows and repair of rotted balcony framing in kind. street facing window. stucco replacement in kind. no color change alluminum wood clad, try to salvage pilasters.
- Otc alterations permit Sep 2023Complete
To comply with complaint #202312477. repair sink and toilet. replace shower valve and repair water damage wall and floor.
- Otc alterations permit Apr 2019Issued
Street space
- Otc alterations permit Feb 2019Issued
Street space
- Otc alterations permit Dec 2018Issued
Street space only
- Otc alterations permit Dec 2018Issued
Street space only
- Otc alterations permit Nov 2018Complete
Replace all vinyl windows (25) on building with new aluminum clad windows, remove and replace existing stucco, replace sheathing (less than 50%) and studs (less than 25%).
- Otc alterations permit Nov 2018Issued
Street space
- Otc alterations permit Oct 2018Complete
Repair dry rot around window frames as needed. path stucco as needed. less than 50% of front and side. repair dry rot around foundation as needed. in vertical studs @ foundation. repair 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
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
3,300 ft
Lafayette Elementary (3,300 ft), Washington (George) High (4,800 ft), Key (Francis Scott) 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 45th 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.
- 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.
- Knock on a neighboring door and ask two things: what bothers them most often, and what work is planned for the building.
- 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.
The year built, height regime, structure, and elevator for this address are being indexed right now, city by city. Save the page and check back: it fills in over time. If you live here, you can fill it in yourself in a minute by leaving a review.