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Property overview

335 W School House Ln

Philadelphia, PA 19144

Who owns 335 W School House Ln, what the county and city have on record, and a measured sell-signal score — every fact dated and sourced.

Owner of recordSydenham Street LLCMailing address: 1820 Avenue M, Brooklyn NY 11230Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Parcel 124077100 · Public research profile
Motivated Seller IndexDRAFT MODEL
93/100
About 27 in 100 homes with these signals sold within four months (17.1× the Philadelphia rate)100% of model checks have usable evidence

A measured sell-signal score from public records: 7 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 February 2017
Property typeS/D Conv Apt 3 Sty Mason, 3 stories, construction code A

THE INDEX

Why this MSI reads 93

Draft model

10 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
S/D Conv Apt 3 Sty Mason, 3 stories, construction code A
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Owner of record
Sydenham Street LLC (mailing address 1820 Avenue M, Brooklyn NY 11230)
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Assessed market value
$371,600 (taxable land $74,320 · taxable building $297,280); 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
2,298 sq ft
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Beds and baths
5 beds · 2 baths
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Year built
1900 (estimated), exterior condition 4 (OPA scale 1 best – 7 sealed)
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Lot size
2,700 sq ft
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Last recorded sale
$200,000, deed, February 8, 2017
Observed Sep 19, 2026 · Philadelphia Office of Property Assessment (property.phila.gov)
Building permits
3 L&I permits in the last 12 months: Electrical (addition and/or alteration) issued September 9, 2026; Building (commercial make safe permit) issued April 18, 2026; Zoning (new construction, addition, gfa change) issued March 24, 2026
Observed Sep 19, 2026 · Licenses & Inspections property history (li.phila.gov)
Code violations
6 L&I violations in the last 12 months since October 29, 2025: unsafe structure; exterior walls; decks, balconies, & exterior stairs; fire escapes, signs, & balconies; architect/engineer services; vacant structure license
Observed Sep 19, 2026 · Licenses & Inspections property history (li.phila.gov)
311 requests
2 in the last 12 months: maintenance complaint (2)
Observed Sep 19, 2026 · Philly 311 service requests (OpenDataPhilly)

Parcel reference: 124077100. 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 transferFebruary 8, 2017
Transfer amount$200,000

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: Electrical

    Electrical Permit.

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

    Commercial Building 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
  4. L&I inspection: 6 violations

    unsafe structure; exterior walls; decks, balconies, & exterior stairs; fire escapes, signs, & balconies; architect/engineer services.

    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.