303 Diamond Street, Philadelphia
technical data · neighborhood and transit
Quick answers
- Does 303 Diamond Street have open permits or code violations?
- Philadelphia Department of Licenses and Inspections lists 29 permits, 2 not closed, and 22 violations, 5 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 303 Diamond Street at risk for?
- FEMA's National Risk Index rates the area relatively low overall, with elevated heat wave risk.
Permits and code violations
2 permits not closed out. Unfinished permits pass to the next owner. 5 open violations.
- Commercial building permit Oct 2022Expired
For new construction of a three-story attached building with cellar, roof deck and roof-deck access structure. building to be fully sprinklered with nfpa 13. separate permits required for mechanical, electrical, plumbing and fire sprinkler.
- Zoning permit Sep 2021Expired
**amendment dated 4/4/2022 to change locations of entry stairs and egress wells only** for the erection of an attached structure (w/roof deck accessed by pilot house containing access stairs only), size and location as shown on plan/application.
- Plumbing permit Sep 2019Completed
Wc,ct,fai,hd,ad pa20192483645"self-certification's are no longer permitted" - excess of 5 feet in depth must have approved shoring in place at the time of inspection" and 3-wc,3-lavs,3-tub,1ks,1wm & hwh & stack the installation will comply with the philadelphia plumbing code 2004
- Fire suppression permit Aug 2019Completed
Install new fire suppression system and 1" combined service in accordance with nfpa 13d throughout the entire structure. all work shall comply with the approved plans. all work shall be performed by a fire suppression contractor licensed by the city of philadelphia.
- Electrical permit Jun 2019Completed
Install new 200 amp service with meter, panel and grounding, install recessed lights, outlets, switches, smoke/co detectors, phone & tv, per 2014 nec
- Mechanical / fuel gas permit May 2019Completed
Install one system 90k btu's @92% with all duct work and a/c unit
- Zoning/use permit Jan 2019Completed
Erection of a three story attached structure with cellar; 2nd & 3rd flr bays roof deck over 3-story portion and a stair pent to access roof deck fo ruse as sfd.
- Residential building permit Jan 2019Completed
Erection of a three story attached structure with cellar; 2nd & 3rd flr bays roof deck over 3-story portion and a stair pent to access roof deck fo ruse as sfd.
- Plumbing permit Aug 2011Completed
Toilet, lav faucet, k/s, water heater, diverter/valve, laundry tub
- Mechanical permit Jun 2011Completed
Install one goodman gms090 warm air furnace
- Electrical permit Jun 2011Completed
Interconnect 120 volt smoke detectors as per
- Alteration permit Apr 2011Completed
Re-cover existing roof with gaf rubberoid granule membrane
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
2.9 mi
Franklin Slag Pile (MDC) (NPL Site). Check groundwater and vapor reports on the EPA site page.
EPA National Priorities List
Leaking fuel tanks
3 within 1,650 ft
Nearest: Sovereign Oil, 3rd & Berks St (1,150 ft), no further action. Every release here is closed by the state regulator.
EPA UST Finder, leaking underground storage tank releases
Brownfield site
400 ft
Davis Lamp Building and 31 more within half a mile. Former industrial land in EPA's cleanup and reuse program.
EPA ACRES Brownfields
Toxic release facility
1,600 ft
York Metal Finishing Co and 4 more within a mile. 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
500 ft
McKinley William Sch (500 ft), Welsh John Sch (1,500 ft), The U School: Innovative Lab (1,850 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 Diamond Street
All addressesViewing recommendations
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.
- 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.
- 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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