FRS Brownfields

ALLIANCE TRIANGLE SITE

1646 S. 51ST STREET · PHILADELPHIA, PHILADELPHIA County, PA, 19143

Acreage

—

Cleanup status

BROWNFIELDS PROPERTY

Dataset

FRS Brownfields

Mapped

Yes

Redevelopment suitability

Moderate

45/ 100

Site size10/35

Acreage unknown — assumed average footprint.

Grid proximity25/40

Nearest substation ~0.8 mi away. No interconnection-queue activity nearby.

Cleanup status10/25

Status: BROWNFIELDS PROPERTY.

Heuristic estimate based on site size, grid proximity, and cleanup status — not a formal assessment.

Nearby marketplace listings

DC listing

2900 S 20th St

Philadelphia, PA · 5 ac

2.0 mi

DC listing

Piers 38 & 39

Philadelphia, PA · 7 ac

2.3 mi

DC listing

1826 W. Lehigh Avenue

Philadelphia, PA · 2 ac

4.7 mi

DC listing

3900 N. 10th Street

Philadelphia, PA · 10 ac

6.2 mi

DC listing

2155 Castor Avenue

Philadelphia, PA · 7 ac

7.3 mi

DC listing

301 Cuthbert Boulevard

Cherry Hill, NJ · 13 ac

8.3 mi

DC listing

300 East Godfrey Avenue

Philadelphia, PA · 5 ac

9.0 mi

DC listing

Tomlin Station Road & Swedesboro Road

Greenwich Township, NJ · 37 ac

9.7 mi

Environmental / program records

Program	Program ID	Status	Link
ACRES	257741	BROWNFIELDS PROPERTY	View

Details

Source record ID110071973673

CountyPHILADELPHIA

StatePA

ZIP19143

Coordinates39.93611, -75.20809

Geocode sourcesource

Last updated (source)1/27/2026

Grid proximity

Substations (within 25 mi)

TAP

69 kV

0.8 mi

UNKNOWN23430

—

1.0 mi

TUNNEL

230 kV

1.0 mi

UNKNOWN29003

—

1.0 mi

UNKNOWN23429

—

1.0 mi

GREYS FERRY

230 kV

1.1 mi

SCHUYLKILL

230 kV

1.2 mi

SCHUYLKILL

69 kV

1.2 mi

PASSYUNK

230 kV

1.5 mi

ANGORA

69 kV

1.6 mi

Interconnection queue (within 50 mi)

None within 50 mi.

Sources

FRS BrownfieldsOpen