809 Mercer Street, Philadelphia
technical data · neighborhood and transit
Quick answers
- Does 809 Mercer Street have open permits or code violations?
- Philadelphia Department of Licenses and Inspections lists 41 permits, 2 not closed, and 31 violations, 6 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 809 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
2 permits not closed out. Unfinished permits pass to the next owner. 6 open violations.
- Plumbing permit Oct 2026Issued
Approved plumbing repair work per ez permit standard for plumbing. replace ct & fai.
- Plumbing permit Sep 2026Issued
- approved plumbing repair work per ez permit standard for plumbing. replace ct & fai.
- Electrical permit Jan 2026Completed
Wire through single family house decora devices, switches, receptacles, smokes, 4'' led recessed lights, and arcf breakers according to nec fishing
- Residential building permit Dec 2025Completed
For basement alterations in an existing attached structure used as a single-family dwelling as per building application/plan. basement is non-habitable storgae/utilities only.
- Plumbing permit Dec 2025Completed
Installing11 fixtures 2 shower/tubs 3 toilets 3 lavs 1 ks 1 washer 1 hwh
- Mechanical / fuel gas permit Dec 2025Completed
Ez permit ductwork & warm-air appliances- for the installation of new ductwork, registers/grilles/diffusers, and warm-air appliances as per attached standards. deviations from these standards require submission of construction and site plans. additional permits may be required. installing warm air appliances for a single family home. installing 60.000 (92%) btu heater located in the basement, with 2 ton (13.4 seer) ac. the condenser unit located in the back of the house.
- Residential building permit Nov 2025Completed
Ez permit standards alterations- for alterations to an existing one family dwelling as per attached standard. deviations from this standard will result in permit revocation and require submission of construction plans. separate permits are required for plumbing and electrical work and the installation of heating/cooling appliances. structural alteration or repair is expressly prohibited under this permit. prohibited structural work includes any modification to exterior walls, party walls, floor/roof framing or foundations; including underpinning, excavation, and removal of foundation slab. no work may be performed in the basement or cellar. interior renovation as per engineer's report & ez standard with new mep's.
- General permit minor Nov 2025Completed
For minor construction work at the subject property in accordance with all applicable provisions of the philadelphia code, all references codes and standards, and the attached ez standard, where included. deviation from this standard shall result in permit revocation. a separate permit from the philadelphia department of streets is required for any sidewalk and street closures. all means of pedestrian protection required at the site in accordance with the philadelphia building code chapter 33 shall be in place prior to start of work.
- Electrical permit Sep 2025Completed
Rewire house throughout. install lighting, switches and receptacles outlets. install 120 volts interconnected smoke/co alarms. all work to be done according to the 2017 nec.
- Plumbing permit Sep 2025Completed
Installing 9 fixtures 2 shower/tubs 2 toilets 2 lavs 1 washer machine 1 ks 1 hwh
- Mechanical / fuel gas permit Sep 2025Completed
Ez permit ductwork & warm-air appliances - for the installation of new ductwork, registers/grilles/diffusers, and warm-air appliances as per attached standards. deviations from these standards require submission of construction and site plans. install 60k btu 92% heater, 2 ton ac, ductwork, and 8 diffusers
- Residential building permit Sep 2025Completed
For alterations to a single family dwelling property as per attached standard. deviations from this standard will result in permit revocation and require submission of construction plans. structural alteration or repair is expressly prohibited under this permit. prohibited structural work includes but not limited to any modification to exterior walls, party wall, floor/roof framing and foundations, including underpinning, excavation and removal of foundation slab. no work may be performed in the basement or cellar. separate permits required for mechanical, electric and plumbing.
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
2.3 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: L Blakes Getty 97109, Berks St (500 ft), no further action. Every release here is closed by the state regulator.
EPA UST Finder, leaking underground storage tank releases
Brownfield site
700 ft
Whipped Bake Shop and 4 more within half a mile. Former industrial land in EPA's cleanup and reuse program.
EPA ACRES Brownfields
Toxic release facility
1,450 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
Historic listing nearby
400 ft
Penn Asylum for Indigent Widows and Single Women. Exterior changes can need preservation review; listed buildings can qualify for rehabilitation tax credits.
National Park Service, National Register
High-voltage line
200 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
700 ft
Penn Treaty Sch (700 ft), Adaire Alexander Sch (1,500 ft), Kensington Creative & Performing Arts HS (2,550 ft). Confirm the assigned school with the district.
U.S. Department of Education, NCES
Major airport
9.3 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.
- 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.
- 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 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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