622 47th Avenue, San Francisco
technical data · neighborhood and transit
Quick answers
- Does 622 47th Avenue have open permits or code violations?
- San Francisco Department of Building Inspection lists 26 permits, 5 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 622 47th Avenue at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated earthquake risk.
Permits and code violations
5 permits not closed out. Unfinished permits pass to the next owner. No open violations.
- Otc alterations permit Aug 2025Complete
Repairs to main level and lower level due to water damage. patch drywall on both levels. replace tile in bathroom on main level. replace walk in shower in lower level, reinstall 3 toilets, 2 vanity sinks. replace countertops in kitchen, re-install sink and appliances. no change in layout. see permit
- Otc alterations permit Sep 2023Complete
Remodel extg kitchen - in-kind. install 6 recessed light in living room
- Otc alterations permit Jul 2021Complete
Re-roofing: remove and replace roofing material / existing roofing material (in-kind)
- Otc alterations permit Oct 2017Complete
Reroofing
- Otc alterations permit Jun 2017Complete
Reside & back with james hardie 7" lap siding. new insulation & plywood at open areas. no work in front.
- Otc alterations permit Nov 2012Complete
Replace windows in existing openings, replace slider at ground level rear. total 6 windows replaced at rear. u max less than or equal to 0.40. cec 151c. to abate complaint #201273583
- Otc alterations permit Jul 2008Complete
Renew appl#200711289153 for final inspection.
- Otc alterations permit Mar 2008Expired
Voluntary strengthening at garage level.epoxy 1/2 inch treaded rod @ 32 inch on center, with min 7 inch embedment 1/4 x 2x2 washers 1/2 in plywood panels 75 ft right side wall 20 ft left side wall each side garage door at front
- Otc alterations permit Nov 2007Expired
Remodel bathroom new fixtures + finishes. install dishwasher in kitchen + relocate stove only . no other work.
- Otc alterations permit Nov 2007Issued
Replace old tub w/ new jacuzzi tub rewire for jacuzzi tub.
- Otc alterations permit Feb 2006Issued
Install 6 vinyl windows in kind into existing frame.no change in size/location. windows do not face street.if applicable,bedroom window comply with section 310.4 for rescue.all window will be double pane and have a u-factor of .30
- Otc alterations permit Nov 2005Complete
Replace (e) rotten ext. stair (sane size) & cracked. concrete slab in front of bldg per plan.
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 (1,500 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
3,150 ft
Lafayette Elementary (3,150 ft), Washington (George) High (4,850 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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622 47th Avenue sits in San Francisco.
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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.
- 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.
- 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 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.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.