THE INDEX: 84 78 · week of Aug 24permits quiet, openings quiet, deal ledger running hot

The Philadelphia Index

Neighborhood File · The Public Record

Philadelphia

Navy Yard

Navy Yard: 57 permits, $142M in deals, 3 tax-delinquent parcels in the last 12 months.

Owed to the city $508,856 across 3 delinquent parcels

The numbers · last 12 months

Permits
57
New units
0
New licenses
2
Median sale
$71M
Deal $ volume
$142M
Violations
52
Tax-delinquent
3

Permit & deal figures cover the last 12 months; violations and tax delinquencies are the current standing. Same definitions the metro map shades by.

Notable transfers

7 entries

The biggest recorded deeds on the public record here, largest first.

  1. Recorded Oct 16, 2025

    $90M

    2 Mustin St

    to PHILADELPHIA REGIONAL PORT AUTHORITY;PHILAPORT · 2 parcels

  2. Recorded Jan 6, 2026

    $52M

    4411 S Broad St

    to NIECGORSKI JOEL TR;FOLEY RICHARD TR;ROBINSON JOHN TR;EASTERN ATLANTIC STATES REGIONAL COUNCIL OF CARPENTERS · 3 parcels

  3. Recorded Dec 23, 2024

    $16.3M

    4775 League Island Blvd

    to LDAC 16 DI LLC

  4. Recorded Aug 1, 2025

    $10M

    5000l S Broad St

    to U O REAL ESTATE LLC

  5. Recorded Jul 23, 2025

    $6.08M

    4701 S Broad St

    to Commonwealth Charter Academy Charter School · 2 parcels

  6. Recorded Apr 30, 2025

    $1.1M

    5150 S 19th St

    to B57 PIER LLC

  7. Recorded Nov 1, 2024

    $371K

    1925 Kitty Hawk Ave Unit 69

    to PNSY RESEARCH DEVELOPMENT & TRAINING LLC

Recent permits

12 entries

Newest building permits — new construction, additions and alterations.

  1. Issued Aug 27, 2026

    4501 League Island Blvd

    General Earth Disturbance ONLY · FOR THE LEGALIZATION OF EXISTING STOCKPILE AND EXPANSION OF STOCKPILE WITHIN THE SFHA AS PER APPROVED PLANS AND BBS VARIANCE UNDER MI-2026-001588 (PA-2025-006059).

  2. Issued Aug 24, 2026

    1 units

    150 Rouse Blvd

    Addition and/or Alteration · FOR A LEVEL II INTERIOR ALTERATIONS (NO CHANGE IN OCCUPANCY ) TO A PORTION OF AN EXISTING STRUCTURE ( SUITE #200) . ALL WORK TO BE DONE PER APPROVED PLANS.** IF FIELD CONDITIONS VARY CONTACT DESIGN ENGINEER PRIOR TO THE START OF ANY WORK**IEBC 2018**EXISTING BUILDING FULLY SPRINKLERED** SEPARATE PERMITS REQUIRED FOR ALL OTHER WORK**

  3. Issued Aug 19, 2026

    4800 S 13th St

    Parking Only · Site redevelopment includes constructing new driveway aprons to establish improved connections to the adjacent public streets, along with a redesigned parking lot featuring new curbs. size and locations as shown on the plans.

  4. Issued Aug 17, 2026

    4499 S Broad St

    Addition and/or Alteration · LEVEL II ALTERATIONS (NO CHANGE OF OCCUPANCY) FOR RENOVATIONS TO EXISTING THREE-STORY OFFICE BUILDING TO INCLUDE CREATION OF NEW EXTERIOR RAMP AND ACCESSIBLE TOILET FACILITIES AS PER APPROVED PLANS. EXISTING BUILDING NOT REQUIRED TO BE SPRINKLERED. *2021 IEBC REVIEW* **SEPARATE PERMITS REQUIRED FOR ANY MEP WORK**

  5. Issued Aug 10, 2026

    5 Crescent Dr

    Addition and/or Alteration · Fire alarm alterations on first and fourth floor as per 2016 NFPA 72.

  6. Issued Aug 6, 2026

    400 Rouse Blvd

    Addition and/or Alteration · Add one (1) new elevator lobby card reader to provide controlled access for authorized personnel. Work includes installation of all required low-voltage wiring, raceways and power connections. All work to be perform according to the 2017 NEC and per approve4d plans.

  7. Issued Aug 4, 2026

    4600 S Broad St

    Alterations · - Approved plumbing repair work per EZ Permit Standard for Plumbing. REPLACE EXISTING 3" BACKFLOW DEVICE.

  8. Issued Jul 22, 2026

    1 units

    4503 S Broad St

    Addition and/or Alteration · FOR THE ERECTION OF AN ADDITION SHELL ONLY AS PER APPROVED PLANS. SEPARATE PERMITS REQUIRED FOR FITOUT AND MEP WORK. *HISTORIC STRUCTURE SHALL REMAIN HISTORIC PER SHPO LETTER THUS 1201.4 OF 2018 IEBC APPLIES. VOLUNTARY WETFLOODPROOFING NOT DESIGN TO COMPLY WITH ASCE 24.*

  9. Issued Jul 17, 2026

    4700 S 13th St

    Addition and/or Alteration · Install 120 volt 20 amp power drops for prefab office desks

  10. Issued Jul 8, 2026

    5 Crescent Dr

    Addition and/or Alteration · Provide and install 462 Cat6a plenum cables at 175' average on 4th floor. Provide and install 28 Cat6a plenum cables at 150' average on 1st floor. All cabling will be installed per current NEC. No rescue systems work.

  11. Issued Jul 7, 2026

    5 Crescent Dr

    Addition and/or Alterations · EZ PERMIT SPRINKLER RELOCATION (NFPA 13)- For the relocation of sprinkler heads as per attached standards. Deviations from these standards require submission of construction and site plans. RELOCATE (68) SPRINKLER HEADS, PER NFPA 13

  12. Issued Jul 1, 2026

    1 units

    1900 Kitty Hawk Ave

    Addition and/or Alteration · FOR FITOUT OF 2ND AND 3RD FLOORS AND LEVEL II ALTERATIONS TO INCLUDE NEW PARTITIONS, FIXTURES, FURNISHINGS, FINISHES AS PER APPROVED PLANS. SEPARATE PERMITS REQUIRED FOR MEP AND FIRE SUPPRESSION WORK. *2018 IEBC*

New business licenses

2 entries

The newest businesses licensed to operate on this ground.

  1. Issued Jun 25, 2026

    PHLNY HOTEL PARTNERS LLC

    Public Garage / Parking Lot · 1001 Intrepid Ave

  2. Issued Apr 15, 2026

    Advanced Therapies LLC

    Hazardous Materials · 400 Rouse Blvd

On the record — distress

The signals that matter for diligence — back taxes, sheriff-sale filings, and open code violations tied to parcels in Navy Yard.

Tax-delinquent parcels

$508,856 owed

  1. 1 yr owed

    3 Crescent Dr

    $208,357

  2. $151,898

  3. 4 yrs owed

    4499 S Broad St

    $148,601

Code violations & unsafe structures

  1. Violation Aug 19, 2026OPEN

    1400 Kitty Hawk Ave

    ALTER ELECTRICAL WIRING

  2. Violation Aug 19, 2026OPEN

    5001 S 11th St

    ALTER EXISTING PLUMBING

  3. Violation Aug 19, 2026OPEN

    1400 Kitty Hawk Ave

    OCCUPIED W/O TCO OR CO

  4. Violation Aug 19, 2026OPEN

    1400 Kitty Hawk Ave

    ALTER INTERIOR PORTION

  5. Violation Aug 19, 2026OPEN

    150 Rouse Blvd

    ALTER INTERIOR PORTION

  6. Violation Aug 19, 2026OPEN

    1400 Kitty Hawk Ave

    EXTEND FIRE SUPPRESSION SYSTEM

  7. Violation Aug 19, 2026OPEN

    5001 S 11th St

    ALTER INTERIOR PORTION

  8. Violation Aug 18, 2026OPEN

    2500 League Island Blvd

    BENCHMARKING LATE

  9. Violation Aug 14, 2026OPEN

    3 Crescent Dr

    BENCHMARKING LATE

  10. Violation Aug 13, 2026OPEN

    1 Crescent Dr

    BENCHMARKING LATE

  11. Violation Mar 2, 2026OPEN

    4960 S 12th St

    INSPECTION, TESTING & MAINTENANCE

  12. Violation Mar 2, 2026OPEN

    4960 S 12th St

    SUPPRESSION SYSTEM TESTING & MAINTENANCE

Get the weekly pulse for Navy Yard

Every deal, permit, and filing on this ground — one email a week, before the neighbors know.

Sources: Phila. Dept. of Records (deeds), L&I (permits, licenses & violations), Dept. of Revenue (tax delinquencies), tagged to neighborhoods by point-in-polygon in our weekly ingest. Neighborhood boundaries from the Azavea / OpenDataPhilly Philadelphia neighborhoods dataset. Verify independently before relying on any figure.
Last generated September 17, 2026.