624 Diamond Street, Philadelphia
technical data · neighborhood and transit
Quick answers
- Does 624 Diamond Street have open permits or code violations?
- Philadelphia Department of Licenses and Inspections lists 35 permits, 14 not closed, and 28 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 624 Diamond 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
14 permits not closed out. Unfinished permits pass to the next owner. 2 open violations.
- Plumbing permit Sep 2026Completed
Replace 3/4 water service
- Plumbing permit Jun 2026Issued
Installation of 3 full bathrooms, 2 kitchens, 2 hot water heaters, 2 laundry sinks & 2 dishwashers (not fixtures).
- Mechanical / fuel gas permit Apr 2026Issued
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. multi family - each hvac unit to be self-contained within each dwelling unit. no penetrations of rated assemblies. install (2) hvac sytems, (1) in each dwelling. first floor - 2 ton 24k btu heat pump with 8kw heating strip, air handler, new ductwork, and 5 registers. second floor - 2 ton 24k btu heat pump with 8kw heating strip, air-handler, new ductwork, and 7 registers.
- Zoning permit Mar 2026Issued
Limited lodging
- Electrical permit Feb 2026Issued
Total rewire per nec 2017, 200 amp service for 1st unit(basement + first floor), 200 amp at 2nd unit (2nd floor +3rd floor) and 100 amp at common area (hallway)
- Residential building permit Jan 2026Issued
For level iii alterations with partial change of occupancy (no change of occupancy classification, group r-3 to group r-3) to create a two-family dwelling within an existing two (2) story building as per approved plans. existing building not required to be sprinklered. *2018 iebc review* *separate permits required for electrical, plumbing, and mechanical work*
- Zoning permit Dec 2025Issued
Residential - household living - two-family
- Electrical permit Mar 2025Completed
Install 400 amp electrical service and 4 meter packs with proper grounding and bonding. install one 100 amp subpanels for house and three 125 amp subpanels for dwelling units. install wiring, lighting, switches and receptacle outlets. install interconnected smoke and co alarms according to the 2017 nec. install fire alarm system according to the 2016 nfpa 72 and per plans.
- Plumbing permit Jan 2025Completed
New construction of triplex. interior drainage, waste, vent, and water supply for 27 fixtures. all work performed in compliance with 2018 ppc and approved plans.
- Plumbing permit Dec 2024Completed
1” water service, curb trap, fresh air inlet, main drain
- Fire suppression permit Dec 2024Completed
Install new fire suppression system complying with nfpa 13 throughout the building to include 2" main fire service line with a 2" wilkins 950xltbfss backflow prevention assembly per approved plans. all work shall be performed by a fire suppression contractor licensed by the city of philadelphia.
- Mechanical / fuel gas permit Nov 2024Completed
For installation of hvac system as per approved plans.
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
Leaking fuel tanks
7 within 1,650 ft
Nearest: Pgw Ninth & Diamond Transp Dept, 900-940 W Diamond St (900 ft), open. 3 still open. Ask whether groundwater or soil vapor testing was done.
EPA UST Finder, leaking underground storage tank releases
Brownfield site
550 ft
8th Diamond St Playground and 25 more within half a mile. Former industrial land in EPA's cleanup and reuse program.
EPA ACRES Brownfields
Toxic release facility
2,750 ft
York Metal Finishing Co and 3 more within a mile. Reports chemical releases to air, water or land to EPA each year.
EPA Toxics Release Inventory
Historic listing nearby
450 ft
Ferguson, Joseph C., School. Exterior changes can need preservation review; listed buildings can qualify for rehabilitation tax credits.
National Park Service, National Register
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
450 ft
The U School: Innovative Lab (450 ft), McKinley William Sch (1,150 ft), Welsh John Sch (2,100 ft). Confirm the assigned school with the district.
U.S. Department of Education, NCES
Major airport
9.2 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 Diamond 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 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.
- 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.
Neighborhood recommendations are derived from public OpenStreetMap data and may be incomplete. Checking in person is still what matters most.
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