4511 Walnut Street, Philadelphia
technical data · neighborhood and transit
Quick answers
- Does 4511 Walnut Street have open permits or code violations?
- Philadelphia Department of Licenses and Inspections lists 13 permits, 1 not closed, and 7 violations.
- What is the 2026 conforming loan limit in Philadelphia County?
- $832,750 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 4511 Walnut Street at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated heat wave risk.
Permits and code violations
1 permit not closed out. Unfinished permits pass to the next owner. No open violations.
- Mechanical / fuel gas permit Apr 2024Expired
For the replacement of rooftop unit and associated piping as per approved plans. separate permits required for all other work.
- Electrical permit Sep 2021Completed
Surface wire only, in wiremold install additional 51 living room ceiling luminaires, as typical, 36 bedroom ceiling luminaires, as typical, and switches, on existing circuits., typically less than 10 ft to existing switch locations. installation in compliance with 2017 nec and philadelphia electrical codes. standalone project, no other associated work, no building permit issued. as per nec 2017
- Alteration permit Jul 2018Completed
Replace (110) windows in existing openings. (multi-family)
- Plumbing permit Dec 2014Completed
Replacing existing dcv backflow preventor with rpz backflow preventor (watts 009, 3"), and air gap strainer- "the installation will comply with the philadelphia plumbing code 2004"
- Electrical permit Jan 2012Completed
Replace 44 fluorescent fixtures, 13 exit signs, 22 staircase fixtures, 11 outside hps lights. install 122 air cycler switches complete with wiring for exhaust fans in bathrooms and kitchens as per 2008 nec(commercial)(west dist)
- Plumbing permit Oct 2011Completed
2-100 gal water heaters
- Administrative permit Aug 2009Completed
L.o. for ground floor resident's dining room / community room as part of residential apartments for the elderly to include 10 assisted living units
- Electrical permit Apr 2008Completed
Rewire community area and ten (10) apartments (west dist)
- Administrative permit Mar 2008Completed
Admendment to permit#82643 as per drawings
- Suppression permit Dec 2007Completed
Sprinkler system
- Plumbing permit Nov 2007Completed
Renovations to 10 dwelling units.
- Mechanical permit Aug 2007Completed
Interior renovations
Philadelphia Department of Licenses and Inspections
Safety and environment
FEMA natural hazard risk
Relatively Moderate
Highest for this area: heat wave. These drive insurance cost here.
FEMA National Risk Index, census tract
Superfund site
2.8 mi
Austin Avenue Radiation Site (Deleted NPL Site). Check groundwater and vapor reports on the EPA site page.
EPA National Priorities List
Leaking fuel tanks
13 within 1,650 ft
Nearest: 7 Eleven 40460, 4601 Walnut St (350 ft), open. 4 still open. Ask whether groundwater or soil vapor testing was done.
EPA UST Finder, leaking underground storage tank releases
Brownfield site
700 ft
4415 Chestnut St and 15 more within half a mile. Former industrial land in EPA's cleanup and reuse program.
EPA ACRES Brownfields
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
1,150 ft
Lea Henry C Sch (1,150 ft), Penn Alexander Sch (1,450 ft), KIPP Philadelphia Octavius Catto CS (1,600 ft). Confirm the assigned school with the district.
U.S. Department of Education, NCES
Major airport
5.9 mi
Philadelphia International (PHL). Aircraft may be audible under approach paths.
FAA large-hub airports
Conforming loan limit 2026
$832,750
Philadelphia 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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More on Walnut Street
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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.
- Look at the stairwell (cleanliness, smell) and the association's notice board: unpaid dues, conflicts, recent decisions.
- 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.
- Schedule a viewing on a weekday too, between 6:00 and 7:30 PM, the window when the building is busiest: neighbors, parking, elevator.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.
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