683 45th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 683 45th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 42 permits, 11 not closed, and 1 violation.
- 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 683 45th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated earthquake risk.
Permits and code violations
11 permits not closed out. Unfinished permits pass to the next owner. No open violations.
- Otc alterations permit Sep 2026Issued
Title 24 compliance and line penetrations related to hvac and plumbing upgrade. install 2 narien gas flared combi boilers, 2 heat por units, 2 horiz air handlers, assoc gas piping, hydronic loops,line sets condensate drains, elec disconnects, boiler receptacles, serving 667-669 ave. all fire
- Otc alterations permit Apr 2026Complete
Unit 667- remove and replace drywall and insulation,install new flooring, paint, replace doors in kind and repair leak in light well.
- Otc alterations permit Dec 2025Complete
Replace 10 windows w/ vinyl. 4 are street visible match (e) configurations. all are size for size.
- Otc alterations permit Apr 2025Complete
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Otc alterations permit Feb 2025Complete
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Otc alterations permit Feb 2024Complete
To obtain final inspection for work approved udner pa#: 201903256107. all work is complete
- Otc alterations permit Oct 2023Complete
Reroofing
- Otc alterations permit Oct 2023Cancelled
To obtain final inspection for work approved under pa# 201903256107. all work is complete.
- Otc alterations permit Mar 2023Complete
Remove and replace 6 windows 3 are street facing , 3 non street visible at rear, e aluminum, new wood clad for street visible, wood comp for window at rear. same size and location . replace in kind. u</30 max
- Otc alterations permit Mar 2021Complete
Replace garage door
- Otc alterations permit Jan 2021Complete
34 sq ft full bathroom remodel ground floor new tub/shower with toilet new vanity new fixtures, new floor and wall tile. no layout changes. no structural changes.
- Otc alterations permit Mar 2019Expired
Convert part of (e) garage to suite/den. lower part of the slab and underpin the perimeter foundation. install new m/e/p and bathroom. reinstall (e) w/h
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: Commercial, 101 Point Lobos Ave (1,550 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
2,750 ft
Lafayette Elementary (2,750 ft), Washington (George) High (4,400 ft), Presidio Middle (5,200 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.
- 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.
- 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.
- 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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