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NYC Building Records · BBL 3050900021

124 MARTENSE STREET

Brooklyn · Block 5090 · Lot 21 · Two-family brick (Class B1)

124 MARTENSE STREET is a Class B1 (two-family brick) building in Brooklyn (BBL 3050900021) built in 1910, with 2 residential units across 2 floors.

The building is in NYC community district 317, council district 40, zoning district R7-1, on a 2,360-square-foot lot with a building footprint of 2,328 square feet.

The current registered owner of record per NYC PLUTO is 124 MARTENSE LLC.

The most recent ACRIS deed transfer for this BBL was recorded on July 29, 2025 when MOSES, JOANN conveyed the property to 124 MARTENSE LLC for $1.10M. The transaction was financed with a $990K mortgage from Mers.

Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.

Owner of record

124 MARTENSE LLC

Most recent deed

Last transferred on Jul 29, 2025 for $1.1M to 124 MARTENSE LLC.
Previous owner: MOSES, JOANN
Mortgage: $990K recorded Jul 29, 2025 with Mers. Loan-to-value: 90%.
🔒 See full deed history for this building →

Recent ACRIS documents (last 3)

DateTypeAmountParties
Jul 29, 2025MTGE$990KParties redacted — full names in MetroDeeds Scout+
Jul 29, 2025DEED$1.1MParties redacted — full names in MetroDeeds Scout+
Aug 24, 2022DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →

Building stats

Units
2
Year built
1910
Class
B1
Borough
Brooklyn
Zoning:
R7-1
Lot size:
2,360 sqft
Building area:
2,328 sqft
Floors:
2
Assessed value:
$82K
Community district:
317
Council district:
40

HPD violations

0 open
No open violations on record. Source: NYC HPD.
🔒 See full violation history →

Recent HPD violation details

No open HPD violations recorded for this building.

Recent ACRIS activity

3 documents in the last 5 years (most recent Jul 29, 2025).

Frequently asked questions about 124 MARTENSE STREET

Who owns 124 MARTENSE STREET?

The current registered owner of record for 124 MARTENSE STREET per NYC PLUTO is 124 MARTENSE LLC. The most recent ACRIS deed transfer for this BBL was recorded on July 29, 2025 when the property was conveyed to 124 MARTENSE LLC. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.

When was 124 MARTENSE STREET last sold?

The most recent ACRIS deed transfer for 124 MARTENSE STREET was recorded on July 29, 2025, when MOSES, JOANN conveyed the property to 124 MARTENSE LLC for $1.10M. The transaction was financed with a $990K mortgage from Mers.

How many HPD violations does 124 MARTENSE STREET have?

No open HPD housing-maintenance code violations are on record for 124 MARTENSE STREET. The building is not registered with NYC HPD's landlord-registration system, which is typical for owner-occupied 1-2 family dwellings. HPD violation data is pulled daily from the NYC Open Data violations feed.

What is the assessed value of 124 MARTENSE STREET?

NYC Department of Finance assesses 124 MARTENSE STREET at $82K for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.

What building class is 124 MARTENSE STREET and what does that mean?

124 MARTENSE STREET is NYC building class B1 — Two-family brick. A two-family residential building of brick construction, typically owner-occupied. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.

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