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Property overview

1821 N Natrona St

Philadelphia, PA 19121

Who owns 1821 N Natrona St, what the county and city have on record, and a measured sell-signal score — every fact dated and sourced.

Owner of recordBja Real Estate LLCMailing address: 200 Pine Lane, Douglassville PA 19518Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Parcel 323330000 · Public research profile
Motivated Seller IndexDRAFT MODEL
67/100
About 9.5 in 100 homes with these signals sold within four months (5.8× the Philadelphia rate)100% of model checks have usable evidence

A measured sell-signal score from public records: 3 positive signals observed. It is a base rate for homes like this, not a statement about this owner. How it works ↓

Aerial 2025 with parcel boundary · City of Philadelphia
Street View · © Google
Satellite · © Google
Assessed valueUnavailable
Tax statusNot on the June 2022 Revenue list
Ownership tenureSince October 2021
Property typeRow 3 Sty Masonry, 3 stories, construction code A

THE INDEX

Why this MSI reads 67

Draft model

5 of 19 checked public signals observed, covering 100% of the model. The score is public; the signal-by-signal reasons, source documents, and owner details are in LienSuite.

Method and limits. MSI v0.2-philadelphia-2026-09 weights nineteen public signals by how much each one changed the recorded four-month deed-transfer rate across all 465,000 Philadelphia single- and multi-family homes, checked on a holdout the model never saw (the top 0.5% of homes by score changed hands at 5.7× the citywide rate): trade permit +26, new-construction permit +18, vacant-structure violation +12, unsafe-structure violation +12, construction complaint +11, sheriff-sale flag (june 2022 list) +9, upkeep violation +3, maintenance complaint +3, delinquent property tax (june 2022 list) +3, structure violation +2, owner mails out of state +2, dangerous-building complaint +1, make-safe permit -2, bought since 2024 -3, owner mails elsewhere -13, no recorded sale -15, alteration permit -17, owned for 20 years or more -28, homestead exemption (owner-occupied) -35. The "in 100 homes" figure is the model's fitted probability for this combination of signals. It describes homes like this one in aggregate; it is not a claim about this owner's intentions, and it is not LienSuite's paid deal score.

THE RECORD

Property details

Dated sources
Property type
Row 3 Sty Masonry, 3 stories, construction code A
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Owner of record
Bja Real Estate LLC (mailing address 200 Pine Lane, Douglassville PA 19518)
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Assessed market value
$217,600 (taxable land $43,520 · taxable building $174,080); Philadelphia assesses at 100% of market value
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Homestead exemption
None on file
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Living area
1,560 sq ft
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Year built
1915 (estimated), exterior condition 3 (OPA scale 1 best – 7 sealed)
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Lot size
1,048 sq ft
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Last recorded sale
$150,000, deed, October 19, 2021
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Building permits
5 L&I permits in the last 12 months: Zoning (new construction, addition, gfa change) issued October 10, 2025; Plumbing (new construction or additions) issued June 1, 2026; Mechanical (addition and/or alterations) issued April 10, 2026
Observed Sep 19, 2026 · Licenses & Inspections property history (li.phila.gov)
311 requests
3 in the last 12 months: maintenance complaint (1); shoveling (1); rubbish/recyclable material collection (1)
Observed Sep 19, 2026 · Philly 311 service requests (OpenDataPhilly)

Parcel reference: 323330000. Facts reflect the listed observation dates and may have changed since then.

OWNERSHIP AND TAXES

Research snapshot

Observed tax balanceNot on the June 2022 Revenue list
Delinquency period—
Last recorded transferOctober 19, 2021
Transfer amount$150,000

Observed Sep 19, 2026 · Revenue Department delinquency list (June 2022) and Department of Records transfers. A tax balance is not proof that a property is for sale.

CHANGES OVER TIME

Property timeline

  1. Permit: Plumbing

    Plumbing Permit.

    Licenses & Inspections property history (li.phila.gov) · checked Sep 19, 2026
  2. Permit: Mechanical

    Mechanical / Fuel Gas Permit.

    Licenses & Inspections property history (li.phila.gov) · checked Sep 19, 2026
  3. Permit: Zoning

    Zoning Permit.

    Licenses & Inspections property history (li.phila.gov) · checked Sep 19, 2026

NEARBY

More records nearby

Facts on this page reflect their observation dates. Confirm the parcel and current records with the county before acting.