$5,600,000 Sold Jun 2026
$4,670,000 Assessed value
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| Building size | 3,600 sq ft |
|---|---|
| Building dimensions | 20 × 50 ft |
| Stories | 3 |
| Sq ft per floor | 1,200 sq ft |
| Year built | 1873 |
| Lot dimensions | 20 × 116.25 ft |
|---|---|
| Lot area | 2,325 sq ft |
| Units | 1 |
|---|---|
| Zoning | R6B |
| Building class | A4 |
| Block / lot | Block 1143 / Lot 76 |
| Built FAR | 1.55 |
|---|---|
| Max residential FAR | 2.00 |
| Max facility FAR | 2.00 |
| Last recorded sale | $5,600,000 (Jun 2026) |
|---|---|
| Assessed value | $4,670,000 |
| Tax class | 1 |
| Annual property tax | $15,009 |
| Rent regulated | Unlikely |
105 St Marks Avenue was built in 1873 — roughly 153 years old. For property-tax purposes it falls under Class 1 (one- to three-family homes), the class with the highest nominal rate (19.8433%) but assessments capped at 6% of market value with strict yearly growth limits. At the current assessment that works out to about $15,009 per year ($1,251/month) before any abatements or exemptions the owner may receive. City records show it last changed hands for $5,600,000 in Jun 2026.
City landmark records describe it as an Italianate row house dating to c. 1873, originally used as residential. It was designed by John Donovan. It stands within the Prospect Heights Historic District.
The building uses about 78% of the density its zoning allows (1.55 built FAR vs. a maximum of 2.00) — roughly 1,046 sq ft of unused development rights, which can matter for renovations, expansions, or air-rights value.
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Data: NYC Department of Finance and Dept. of City Planning (PLUTO) via NYC Open Data. Figures are public records, may lag current bills, and can exclude abatements. Not financial advice.