The Block Report

Land report

4110-20 Carbon St

Vacant lot · Phila Belt Line R R Co · assessed $1.5M (2025) · 2027 OPA assessment $1.5M. On the 4100 block of Carbon St.

Property summary

Assessment$1,461,0602025 OPA assessment · 2027: $1,453,200 Last sale—No sale value available Est. tax bill$16,602/year2025 taxable assessment · full-value scenario $20,452/year · basis and term unverified Tax delinquency—Snapshot unavailable Permits—Record unavailable Violations0 openNo historical match in fetched records

“Open” reflects records available then historical records keep their source dates estimates are labeled

BlockReport AI · cited public records

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Street view of 4110-20 Carbon St
From the street — imagery © Google

The estimate, live balance, and back-tax record are different.

BlockReport can calculate the annual tax from the City’s taxable assessment. Payments, credits, interest, and a current amount due live separately in Philadelphia Tax Center.

Estimated annual Real Estate Tax$16,602/year

2025 taxable assessment $1,186,060 × 1.3998%. Estimate—not a bill or account balance.

OPA also publishes a 2027 assessment of $1,453,200; it is not the 2025 billed-year value.

Official current account balanceCheck live

A Tax Center balance is net of bills, payments, credits, interest, and adjustments. A credit—or an amount due—is not automatically “back taxes.”

OPA 875104220
Open Philadelphia Tax Center →Choose “View period balance” to see the tax year and any credit, interest, or delinquency.
Exemption classificationPartial assessment exemption — basis unverified

2025 OPA taxes $1,186,060 of $1,461,060 assessed. The assessment fields alone do not identify a program, approval date, expiration, or buyer eligibility.

See the assessment math →
Full-assessment scenario$20,452/year

Applying the same rate to the billed-year full assessment. OPA's numeric split does not say when or whether the current treatment changes.

See the assessment math →
Historical delinquency sources No current conclusion

The June 2022 delinquency snapshot was not verifiably available in this cached report. No conclusion about a match—or today’s balance—can be drawn from that absence.

For a purchase, refinance, or closing, request the City’s official Property Payoff statement in Tax Center under “More options.”

The property record, over time

Every dated deed, permit, inspection, license, violation, certification, and appeal is placed on the City’s annual assessment line. Select a point to read what happened; the line is an assessment history—not a sale-price chart or appraisal. OPA has also published a 2027 assessment of $1,453,200; it is not yet the billed-year tax basis.

Assessment history · all dated City records marked on the line

$0$1.0M$2.0M2016 OPA assessment: $454K2017 OPA assessment: $454K2018 OPA assessment: $454K2019 OPA assessment: $454K2020 OPA assessment: $454K2021 OPA assessment: $454K2022 OPA assessment: $454K2023 OPA assessment: $454K2024 OPA assessment: $454K2025 OPA assessment: $1.5M2027 OPA assessment: $1.5M$1.5M2016201820202022202420262027
This property
Assessment points show the City value for each year.
Vacant landLand report

An empty lot: no building, just the land and its paper trail. The homeowner tools don't apply; the deed history, owner and zoning are below, and the analyst can trace what the owner holds citywide.

What it is
Vacant lot
Vacant Land Billboard
Owner
Phila Belt Line R R Co
OPA tax treatment
Assessed $1.5M
Taxable assessment on the roll
Assessed value
$1,461,060
2025 OPA · 2027: $1,453,200
Lot size
110,000 sqft

Block context

4110-20 Carbon St sits on the 4100 block of Carbon St. Open the block report to compare its parcels, ownership and public-record history.

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Next door: 4100 Carbon St  ·  4130 Carbon St

Where this comes from
Methodology & freshness

This report was assembled Jul 9, 2026, 4:13 PM ET. Available City datasets are queried from OpenDataPhilly (phl.carto.com) and the cited City ArcGIS feeds; record queries paginate rather than silently taking a first page. “Unavailable” means the source query failed or was not supplied, not “no record.” Reports re-pull on view after seven days and on an overnight rolling schedule; citywide benchmarks recompute weekly. Source dates still govern: the parcel-level tax-delinquency snapshot is June 2022 and the separate detailed tax ledger ends in 2016, so neither establishes today’s balance. The live balance and date-effective payoff must be verified in Tax Center. AI-written passages are grounded in the assembled record and rejected if they state a number the record does not hold.

Official city record ↗  ·  L&I history ↗  ·  See the whole block  ·  Download this record (JSON)