4500 Walnut Street, Philadelphia
technical data · neighborhood and transit
Quick answers
- Does 4500 Walnut Street have open permits or code violations?
- Philadelphia Department of Licenses and Inspections lists 37 permits, 3 not closed, and 22 violations, 2 open.
- 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 4500 Walnut Street at risk for?
- FEMA's National Risk Index rates the area relatively low overall, with elevated heat wave risk.
Permits and code violations
3 permits not closed out. Unfinished permits pass to the next owner. 2 open violations.
- Plumbing permit Jan 2024Expired
Replace 1" backflow device
- General permit Sep 2022Completed
For the installation of canopy at the main entrance of an existing building per approved plans.
- Plumbing permit Dec 2021Completed
Sewer line repair: remove asphalt/concrete as needed between curb trap and bicycle lane, excavate earth to expose curb trap and section of sewer lateral in this area. disconnect and remove sections of cast iron soil pipe with fittings including curb trap. replace curb trap with fresh air inlet and philadelphia regulation vent box. install necessary sections of cast iron soil pipe and fittings to make repair. test. backfill with 2a modified stone and compact. supply and install cold patch.
- Administrative permit Sep 2021Issued
Co correction for permit 951169
- Zoning permit Jul 2021Completed
For the erection of a canopy above the entrance serving the multi-family household living use in the existing attached structure. size and location as shown on plans.
- Fire suppression permit Nov 2019Completed
For the installation of a two (2) inch fire service line with a three (3) inch backflow preventer and automatic fire suppression system as per nfpa 13 and 13r. for the installation of spandpipes at stairways in accordance with nfpa 14. all work shall be done in accordance with approved plans/hydraulic calculations.
- Mechanical / fuel gas permit Oct 2019Completed
Installation of nine (9), single zone split units and (9) dual zone mini split units as per approved plans.
- Plumbing permit Oct 2019Completed
Replace waste and water lines to 2-sinks and 1-toilet.the installation will comply with the philadelphia plumbing code 2004 - the installation does not include garbage disposal or dishwasher
- Electrical permit Oct 2019Completed
Install new 1200amp service and 1000 amp 20 gang meter bank. rewire and fit out 18 apt units with outlets, switches and lighting fixture and install new sub panels as per 2008 nec (west dist) fit out of existing fire alarm system as per nfpa 72
- Electrical permit Oct 2019Completed
Install two ceiling fan circuits two dimmers upgrade existing receptacle outlets to tamper resistant run new 240v coffee maker circuit as per 2017 nec
- Alteration permit Oct 2019Completed
For level ii alterations to an existing tenant space for the use of a retail space, alterations to incllude the erection of partition walls, provide finises/furnishings and accessibility improvments throughout. all work to be done per approved plans. if field conditions vary contact design professional prior to the start of any work. separate permits to be obtained for all other work.
- Electrical permit Sep 2019Completed
Add house panel as per 2014 nec
Philadelphia Department of Licenses and Inspections
Safety and environment
FEMA natural hazard risk
Relatively Low
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 (550 ft), open. 4 still open. Ask whether groundwater or soil vapor testing was done.
EPA UST Finder, leaking underground storage tank releases
Brownfield site
750 ft
4415 Chestnut St and 15 more within half a mile. Former industrial land in EPA's cleanup and reuse program.
EPA ACRES Brownfields
Toxic release facility
3,800 ft
Good Humor Corp. Reports chemical releases to air, water or land to EPA each year.
EPA Toxics Release Inventory
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
1,200 ft
Lea Henry C Sch (1,200 ft), Penn Alexander Sch (1,250 ft), The Workshop School (1,850 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.
- 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.
- 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.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.
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