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Building report

913 Union Street · Brooklyn · BBL 3010630047 · generated 2026-10-20 · FREE

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Where the penalty points come from

ComponentWhat it coversPoints
Housing codeHPD violations by class, complaints, emergency repairs, litigation, vacate orders, AEP5
Structural & safetyDOB violations, ECB/OATH violations by class0
PestsBedbug filings, failed rodent inspections, rodent 311s0
DisplacementMarshal evictions executed0
GRADE B

A modest record — below the level that usually signals systemic problems. More recorded distress than 85% of 1-5-unit residential buildings citywide. The citywide median for 1-5-unit residential buildings is 0 penalty points per 10 units; this building carries 12.5. In ZIP 11215, 70% of residential buildings hold an A and 4% grade D or F. How grades work

this building
A
C

Among 699,345 1-5-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

No current HPD flags in the latest weekly snapshot: no open violations, no pending litigation, no active vacate orders, and not in the Alternative Enforcement Program.

Patterns

2 heat or hot-water complaints in the last three years (winter 2025–26: 2).

No bedbug-infested units reported in the last three years of filings.

What 311 hears from this address

3 service requests in the last three years. Most common: Water System (1) · HEAT/HOT WATER (1) · Noise (1).

Filed construction activity

$1,012,500 in permitted construction work filed since 2016 (6 filings with a declared cost) — a rough measure of how actively the owner maintains the building. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.

Rent-stabilization signals

YesBuilt before 1974 (1895)
NoSix or more residential units (4)
No421-a / J-51 tax benefit on the current tax roll

1 of 3 signals present. Only a partial profile — stabilization is possible but less likely. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).

Registered with HPD — the names behind the building

Registered owner(s)WMC II LLC
Head officerNick Kaestner
Managing agentAscent Realty Group LLC
Last registered2026-07-07

as filed by the owner in the building's HPD registration

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$2,607,000 $1,173,150
2026$2,779,000 $1,250,550
2027$3,146,000 $1,415,700

The city's market estimate has risen 21% between tax years 2025 and 2027.

Flood exposure

Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).

Not in a hurricane evacuation zone.

Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.

No street-flooding or sewer-backup complaints on record at this address.

Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.

Getting around

SubwayGrand Army Plaza — 2 3 · 750 ft straight-line (about a 4-minute walk) · station accessibility: none
7 Av — B Q · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: none
BusNearest boarding stop: 7 Av / Union St — B67 B69 · 600 ft
Citi BikeBerkeley Pl & 7 Ave · 700 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 282 Park Slope. Confirm with the DOE's school search.

Distances are straight-line, not walking routes. Transit locations from the MTA and Citi Bike, bike facilities from NYC DOT, school zones from the DOE's 2024–25 maps.

Report a problem to 311

913 Union Street

Heat or hot waterHeat or hot water
Apartment maintenanceApartment maintenance
Bed bugsBed bugs
Residential pestsResidential pests
Rats or miceRats or mice
Anything elseAnything else

3 311 service requests from this address in the last three years — 1 of them about heat or hot water.

311 will ask for the address, the apartment if the problem is inside, and what's wrong. Contact details are optional for most complaints; food-poisoning reports can be anonymous. Complaints appear in the city's public 311 data, usually within a day or two, and then in the Live from 311 box on this page.

The landlord's report card

Managed by ASCENT REALTY GROUP LLC — 10 buildings, 50 units. Grades across the portfolio: B7 · C3. See the whole portfolio

BuildingBoroughUnitsGrade
1021 8 Avenue BK7 B
152 Guernsey Street BK6 B
319 Menahan Street BK6 B
411 Suydam Street BK6 B
511 Graham Avenue BK5 C
329 Henry Street BK5 B
870 Hancock Street BK5 C
913 Union Street BK4 B
109 Moffat Street BK4 B
199 Grand Street BK2 C

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $3,500,000 on 2022-09-14 (lender: Bcb Community Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2026-02-06Deed $5,750,000 — from KEYSTONE 913 UNION LLC to WMC II LLC $5,750,000
2026-01-30Sold for $5,750,000 $5,750,000 $1,437,500
2022-09-14Deed $3,925,000 — from SCHIPANI, STEPHEN; MARVIN, BRETT to KEYSTONE 913 UNION LLC $3,925,000
2022-09-14Mortgage $3,500,000 — from KEYSTONE 913 UNION LLC to BCB COMMUNITY BANK $3,500,000
2022-09-14AL&R $3,500,000 — from KEYSTONE 913 UNION LLC to BCB COMMUNITY BANK $3,500,000
2022-08-11Sold for $3,925,000 $3,925,000 $981,250
2012-11-08Mortgage $795,000 — from MARVIN, BRETT; SCHIPANI, STEPHEN to WELLS FARGO BANK, N.A. $795,000
2011-08-31Mortgage $158,681 — from MARVIN, BRETT to WELLS FARGO BANK, N.A. $158,681
2011-08-31Agreement $800,000 — from MARVIN, BRETT to WELLS FARGO BANK, N.A. $800,000
2003-12-17Agreement $730,000 — from SCHIPANI, STEPHEN; MARVIN, BRETT to JPMORGAN CHASE BANK $730,000
2003-12-17Mortgage $74,093 — from SCHIPANI, STEPHEN; MARVIN, BRETT to JPMORGAN CHASE BANK $74,093
2000-03-31Mortgage $75,000 — from SCHIPANI, STEPHEN; MARVIN, BRETT to FAIRMONT FUNDING LTD $75,000
1999-11-08Mortgage $685,000 — from MARVIN, BRETT; SCHIPANI, STEPHEN to CHASE MANHATTAN BANK $685,000
1998-02-23Mortgage $400,000 — from SCHIPANI, STEPHEN; BRETT, MARVIN to UNION SLOPE, LTD. $400,000
1994-04-13Mortgage $40,000 — from UNION SLOPE LTD to BERKOWITZ, SIDNEY; LOWE, HERBERT B. $40,000

Ten-year activity

20100
2017
2018
2019
2020
2021
2022
11
2023
2024
2025
2026
ConstructionHousing & tenantsOwnership & money
Show as table
YearConstructionHousing & tenantsOwnership & moneyTotal
20170000
20180303
20190404
20200101
20210606
20220459
202383011
20243407
20250101
20260347
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The last 12 months — 8 records

DateRecord
2026-10-10311: Noise - Residential — Loud Music/Party
2026-03-18TL&R — from KEYSTONE 913 UNION LLC to BCB COMMUNITY BANK
2026-03-18Mortgage satisfied — from KEYSTONE 913 UNION LLC to BCB COMMUNITY BANK
2026-02-06Deed $5,750,000 — from KEYSTONE 913 UNION LLC to WMC II LLC
2026-01-30Sold for $5,750,000
2026-01-05311: HEAT/HOT WATER — APARTMENT ONLY
2026-01-05Tenant complaint: HEAT/HOT WATER — APARTMENT ONLY
2025-12-12Bedbug filing: 0 infested units

The full timeline

2026
2026-10-10311: Noise - Residential — Loud Music/Party
2026-03-18TL&R — from KEYSTONE 913 UNION LLC to BCB COMMUNITY BANK
2026-03-18Mortgage satisfied — from KEYSTONE 913 UNION LLC to BCB COMMUNITY BANK
2026-02-06Deed $5,750,000 — from KEYSTONE 913 UNION LLC to WMC II LLC$5,750,000
2026-01-30Sold for $5,750,000$5,750,000
2026-01-05311: HEAT/HOT WATER — APARTMENT ONLY
2026-01-05Tenant complaint: HEAT/HOT WATER — APARTMENT ONLY
2025
2025-12-12Bedbug filing: 0 infested units
2024
2024-12-16311: Water System — Dirty Water (WE)
2024-12-02Bedbug filing: 0 infested units
2024-04-15Bedbug filing: 0 infested units
2024-04-12HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2024-04-03Permit Mechanical Systems — Signed-off
2024-01-26Job filed: PLUMBING WORK TO BASEMENT, FLOORS 1.2.3.4 AND ROOF OF AN EXISTING 4 FAMILY, 5 STORY MULTIPLE DWELLING BUILDING. ALTERATIONS TO CONSIST OF NEW, REMOVED$56,000
2024-01-26Job filed: WORK TO BASEMENT, FLOORS 1,2,3,4 AND ROOF OF AN EXISTING 4 FAMILY, 5 STORY MULTIPLE DWELLING BUILDING. ALTERATIONS TO CONSIST OF NEW INTERIOR PARTITIO$395,000
2023
2023-12-29Permit Structural — Signed-off
2023-11-20HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2023-09-18Permit Plumbing — Signed-off
2023-08-18Job filed: STRUCTURAL WORK AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS AND OCCUPANCY.$63,000
2023-07-18Permit General Construction — Signed-off
2023-04-06Permit General Construction — Signed-off
2023-03-28Bedbug filing: 0 infested units
2023-03-28Job filed: PLUMBING WORK TO BASEMENT, FLOORS 1.2.3.4 AND ROOF OF AN EXISTING 4 FAMILY, 5 STORY MULTIPLE DWELLING BUILDING. ALTERATIONS TO CONSIST OF NEW, REMOVED$56,000
2023-03-28Job filed: WORK TO BASEMENT, 1ST-4TH FLOORS AND ROOF OF AN EXISTING 4 FAMILY, 5 STORY MULTIPLE DWELLING BUILDING. ALTERATIONS TO CONSIST OF A NEW HVAC SYSTEM AND$47,500
2023-03-27HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2023-03-21Job filed: WORK TO BASEMENT, FLOORS 1,2,3,4 AND ROOF OF AN EXISTING 4 FAMILY, 5 STORY MULTIPLE DWELLING BUILDING. ALTERATIONS TO CONSIST OF NEW INTERIOR PARTITIO$395,000
2022
2022-10-24Bedbug filing: 0 infested units
2022-09-14Deed $3,925,000 — from SCHIPANI, STEPHEN; MARVIN, BRETT to KEYSTONE 913 UNION LLC$3,925,000
2022-09-14Mortgage $3,500,000 — from KEYSTONE 913 UNION LLC to BCB COMMUNITY BANK$3,500,000
2022-09-14AL&R $3,500,000 — from KEYSTONE 913 UNION LLC to BCB COMMUNITY BANK$3,500,000
2022-08-25Mortgage satisfied — from SCHIPANI, STEPHEN; MARVIN, BRETT to WELLS FARGO BANK, N.A.
2022-08-11Sold for $3,925,000$3,925,000
2022-03-06Bedbug filing: 0 infested units
2022-03-02HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2022-01-24311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2021
2021-10-16311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2021-04-22Bedbug filing: 0 infested units
2021-04-13HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2021-04-06311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2021-03-03311: Damaged Tree — Branch Cracked and Will Fall
2021-01-24311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2020
2020-06-09311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2019
2019-12-18311: Noise - Helicopter — Other
2019-10-31HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2019-09-12311: Sidewalk Condition — Sidewalk Violation
2019-02-26311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2018
2018-07-28311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2018-07-28311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2018-02-21311: Water System — Dirty Water (WE)
2016
2016-11-15HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2016-11-12311: Derelict Vehicles — Derelict Vehicles
2016-08-06311: Noise - Residential — Loud Music/Party
2016-07-09311: Illegal Parking — Blocked Sidewalk
2016-04-01311: Noise - Residential — Loud Music/Party
2015
2015-05-29311: Noise - Residential — Loud Music/Party
2013
2013-08-20311: Noise - Residential — Loud Talking
2013-08-03311: Noise - Residential — Loud Music/Party
2013-07-14311: Noise - Residential — Loud Music/Party
2013-07-14311: Noise - Residential — Loud Talking
2013-05-23311: Noise - Residential — Loud Music/Party
2013-05-17311: Noise - Residential — Loud Talking
2012
2012-11-08Mortgage $795,000 — from MARVIN, BRETT; SCHIPANI, STEPHEN to WELLS FARGO BANK, N.A.$795,000
2012-11-01Mortgage satisfied — from SCHIPANI, STEPHEN; MARVIN, BRETT to WELLS FARGO BANK, N.A.
2012-09-22311: Noise - Residential — Loud Talking
2012-08-30311: Noise - Residential — Loud Talking
2012-04-01311: Noise - Residential — Loud Talking
2012-03-24311: Noise - Residential — Loud Talking
2011
2011-09-10311: Noise Survey — People Created Noise
2011-09-10311: Noise - Residential — Loud Music/Party
2011-09-10311: Noise - Residential — Loud Talking
2011-08-31Mortgage assigned — from JPMORGAN CHASE BANK, N.A. to WELLS FARGO BANK, N.A.
2011-08-31Mortgage $158,681 — from MARVIN, BRETT to WELLS FARGO BANK, N.A.$158,681
2011-08-31Agreement $800,000 — from MARVIN, BRETT to WELLS FARGO BANK, N.A.$800,000
2011-08-23311: Noise — Noise, Barking Dog (NR5)
2010
2010-09-05311: Noise - Residential — Loud Music/Party
2010-09-05311: Noise - Residential — Loud Music/Party
2004
2004-04-29Mortgage assigned — from FAIRMONT FUNDING, LTD. to CHASE MANHATTAN BANK USA, N.A.
2004-04-29Mortgage satisfied — from SCHIPANI, STEPHEN; MARVIN, BRETT to FAIRMONT FUNDING, LTD.
2003
2003-12-17Agreement $730,000 — from SCHIPANI, STEPHEN; MARVIN, BRETT to JPMORGAN CHASE BANK$730,000
2003-12-17Mortgage $74,093 — from SCHIPANI, STEPHEN; MARVIN, BRETT to JPMORGAN CHASE BANK$74,093
2003-12-17Mortgage assigned — from CHASE MANHATTAN MORTGAGE CORPORATION to JPMORGAN CHASE BANK
2000
2000-03-31Mortgage $75,000 — from SCHIPANI, STEPHEN; MARVIN, BRETT to FAIRMONT FUNDING LTD$75,000
2000-03-24Mortgage assigned — from CHASE MANHATTAN MORTGAGE CORPORATION to CITIBANK, NA
2000-03-24Mortgage assigned — from CHASE MANHATTAN BANK to CHASE MANHATTAN MORTGAGE CORPORATION
2000-02-07DOB violation LL6291:
1999
1999-11-08Mortgage satisfied — from SCHIPANI, STEPHEN; MARVIN, BRETT to UNION SLOPE LTD
1999-11-08Mortgage satisfied — from UNION SLOPE LTD to STERNKLAR, JACK; GALLANT, STANLEY; MIJAL EQUITIES INC; WOHLGEMUTH, RALPH
1999-11-08Mortgage satisfied — from UNION SLOPE LTD to STERNKLAR, JACK; MIJAL EQUITIES INC; GALLANT, STANLEY; WOHLGEMUTH, RALPH
1999-11-08Mortgage $685,000 — from MARVIN, BRETT; SCHIPANI, STEPHEN to CHASE MANHATTAN BANK$685,000
1999-03-16DOB violation LL6291:
1998
1998-07-13DOB violation LANDMK:
1998-06-25DOB complaint, category ?
1998-06-16DOB complaint, category ?
1998-04-24Permit PL — ISSUED
1998-04-14Permit AL — ISSUED
1998-02-23Mortgage satisfied — from MONKEYFOOT CORP to TERENZONE, STELLA; TERENZONE, JEFF
1998-02-23Deed — from UNION SLOPE LTD. to MARVIN, BRETT; SCHIPANI, STEPHEN
1998-02-23Mortgage $400,000 — from SCHIPANI, STEPHEN; BRETT, MARVIN to UNION SLOPE, LTD.$400,000
1998-02-23Mortgage satisfied — from UNION SLOPE LTD to GRASHOW, JOSEPH
1995
1995-08-29DOB violation LL6291:
1994
1994-04-13Agreement — from BERKOWITZ, SIDNEY; LOWE, HERBERT B to UNION SLOPE LTD
1994-04-13Mortgage assigned — from MIJAL EQUITIES INC; GALLANT, STANLEY; WOHLGEMUTH, RALPH; STERNKLAR, JACK to LOEW, HERBERT B.; BERKOWITZ, SIDNEY
1994-04-13Mortgage $40,000 — from UNION SLOPE LTD to BERKOWITZ, SIDNEY; LOWE, HERBERT B.$40,000
1993
1993-08-16DOB violation LL6291:
1982
1982-02-03Mortgage $40,000 — from UNION SLOPE LTD. to MIJAL EQUITIES INC.; GALLANT, STANLEY; STERNKLAR, JACK; WOHLGEMUTH, RALPH$40,000
1976
1976-07-19Mortgage — from UNION SLOPE LTD to GRASHOW JOSEPH
1976-04-12Deed — from MONKEYFOOT CORP to UNION SLOPE LTD
1973
1973-09-04LDMK — from CITY OF NEW YORK; CITY OF NY LANDMARK PRESERVATION COMMISS; CITY OF NY; CITY OF N Y LANDMA
1969
1969-05-05Mortgage assigned — from TERENZONE STELLA to TERENZONE STELLA; JULIANO JOSEPHINE
1967
1967-10-03Mortgage — from MONEYFOOT CORP to TERENZONE STELLA; TERENZONE JEFF
1967-10-03Deed — from TERENZONE STELLA; TERENZONE JEFF to MONKEYFOOT CORP
1967-05-18Mortgage — from TERENZONE JEFF; TERENZONE STELLA to COTA MARIA
1967-05-18Deed — from COSTA MARIA G; COTA MARIA to TERENZONE STELLA; TERENZONE JEFF

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