855 Mercer Street, Philadelphia
technical data · neighborhood and transit
Quick answers
- Does 855 Mercer Street have open permits or code violations?
- Philadelphia Department of Licenses and Inspections lists 34 permits, 9 not closed, and 9 violations, 1 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 855 Mercer Street at risk for?
- FEMA's National Risk Index rates the area relatively moderate overall, with elevated heat wave and cold wave risk.
Permits and code violations
9 permits not closed out. Unfinished permits pass to the next owner. 1 open violation.
- Plumbing permit Jul 2025Completed
Replacing house trap, main drain and fresh air inlet. footway.
- Plumbing permit Jan 2025Completed
Curb trap, fai, main drain
- Plumbing permit Jun 2024Completed
Curb trap, fresh air inlet, drain.
- Plumbing permit May 2024Completed
House drain repair
- Zoning permit Apr 2024Issued
Limited lodging
- Residential building permit Aug 2023Completed
For the installation of star bolts and ceiling repairs per plans.
- Plumbing permit Mar 2022Expired
Curb trap fai in
- Electrical permit Dec 2021Expired
Installation of solar array in accordance with signed standard.
- Plumbing permit Mar 2020Expired
Replace house drain, curb trap & fai pa20200700278 "self-certification's are no longer permitted" - "all excavations and plumbing trenches in excess of 5 feet in depth must have approved shoring in place at the time of inspection"
- Plumbing permit Jan 2020Expired
Install a new water box at curb.the installation will comply with the philadelphia plumbing code 2018
- Alteration permit Aug 2019Completed
Install three star bolts per plan
- Plumbing permit May 2019Completed
Replace curb trap, fresh air inlet, section of main drain, installation will comply with philadelphia plumbing code 2004
Philadelphia Department of Licenses and Inspections
Safety and environment
FEMA natural hazard risk
Relatively Moderate
Highest for this area: heat wave, cold wave. These drive insurance cost here.
FEMA National Risk Index, census tract
Superfund site
2.2 mi
Franklin Slag Pile (MDC) (NPL Site). Check groundwater and vapor reports on the EPA site page.
EPA National Priorities List
Leaking fuel tanks
9 within 1,650 ft
Nearest: Aramingo Exxon, 2330 Aramingo Ave (700 ft), no further action. Every release here is closed by the state regulator.
EPA UST Finder, leaking underground storage tank releases
Brownfield site
1,000 ft
Whipped Bake Shop. Former industrial land in EPA's cleanup and reuse program.
EPA ACRES Brownfields
Toxic release facility
1,200 ft
V S Philadelphia Galvanizing Llc and 5 more within a mile. Reports chemical releases to air, water or land to EPA each year.
EPA Toxics Release Inventory
High-voltage line
50 ft
138 kV line run by PECO ENERGY CO.
HIFLD transmission lines
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
1,050 ft
Penn Treaty Sch (1,050 ft), Adaire Alexander Sch (1,850 ft), Hackett Horatio B Sch (2,500 ft). Confirm the assigned school with the district.
U.S. Department of Education, NCES
Major airport
9.4 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 Mercer 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.
- 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 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.
- 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.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.
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