NY Property Records

310 West 21 Street
Manhattan · New York County · 10011

02 · Walk-Up AptsSold $13,350,000 · Aug 2014 ↗
Owner of record
OwnerProlifia, LLC
Assessment · 2025 roll
Land assessed$137,700
Total assessed$1,996,200
Est. annual tax$81,167 (2027, excl. special districts)
Building
StyleOld Law Tenements
Year built1900
Living area4,875 sq ft
Lot
Size0.06 acres (GIS)
Frontage × depth25 × 92 ft
Lot sq ft2,300
Zoning
DistrictR7B
FAR2.12 built · 3.0 max residential · 3.0 max facility
Zoning map8d
Recorded documents · 23
ASGN OF ASGN OF L&R Feb 23, 2026
assignor Readycap Commercial, LLC
assignee U.S. Bank National Association, As Trustee
View on ACRIS ↗
ASSIGNMENT, MORTGAGE Feb 23, 2026
assignor/old lender Readycap Commercial, LLC
assignee/new lender U.S. Bank National Association, As Trustee
View on ACRIS ↗
AGREEMENT $8,800,000 Jan 16, 2019
party 1 Prolifia LLC
party 2 Readycap Commercial, LLC
View on ACRIS ↗
Show all 23
ASSIGNMENT OF LEASES AND RENTS $8,800,000 Jan 16, 2019
assignor Prolifia LLC
assignee Readycap Commercial, LLC
View on ACRIS ↗
MORTGAGE $1,103,349 Jan 16, 2019
mortgagor/borrower Prolifia LLC
mortgagee/lender Readycap Commercial, LLC
View on ACRIS ↗
ASSIGNMENT, MORTGAGE Jan 16, 2019
assignor/old lender Bankunited, N.A.
assignee/new lender Readycap Commercial, LLC
View on ACRIS ↗
TERMINATION OF ASSIGN OF L&R Jan 16, 2019
party one Ppny17 LLC
party two Bankunited, N.A.
View on ACRIS ↗
DEED Jul 5, 2016
grantor/seller Ppny 17, LLC
grantee/buyer Prolifia, LLC
View on ACRIS ↗
BOTH RPTT AND RETT Jun 1, 2015
grantor/seller Parked Properties Ny,Inc.
grantee/buyer Prolifia LLC
View on ACRIS ↗
TERMINATION OF LEASE OR MEMO Oct 8, 2014
lessor 308-310 West 21 Realty LLC
lessee Delcona LLC
View on ACRIS ↗
AGREEMENT $8,450,000 Sep 8, 2014
party 1 Ppny17, LLC
party 2 Bankunited N A
View on ACRIS ↗
TERMINATION OF ASSIGN OF L&R Sep 8, 2014
party one Bankunited, N A
party two 308-310 West 21st Realty LLC
View on ACRIS ↗
MORTGAGE $295,556 Sep 8, 2014
mortgagor/borrower Ppny17, LLC
mortgagee/lender Bankunited N A
View on ACRIS ↗
DEED $13,350,000 Sep 8, 2014
grantor/seller 308-310 West 21 Realty LLC
grantee/buyer Ppny17, LLC
View on ACRIS ↗
ASSIGNMENT OF LEASES AND RENTS $8,450,000 Sep 8, 2014
assignor Ppny17, LLC
assignee Bankunited N A
View on ACRIS ↗
MORTGAGE $4,280,000 Jun 2, 2014
mortgagor/borrower 308-310 West 21 Realty LLC
mortgagee/lender Bankunited, N.A.
View on ACRIS ↗
ASSIGNMENT OF LEASES AND RENTS $8,200,000 Jun 2, 2014
assignor 308-310 West 21 Realty LLC
assignee Bankunited, N.A.
View on ACRIS ↗
AGREEMENT $8,200,000 Jun 2, 2014
party 1 308-310 West 21 Realty LLC
party 2 Bankunited, N.A.
View on ACRIS ↗
ASSIGNMENT, MORTGAGE Jun 2, 2014
assignor/old lender Manufacturers And Traders Trust Company
assignee/new lender Bankunited, N.A.
View on ACRIS ↗
PARTIAL RELEASE OF MORTGAGE Jun 2, 2014
party one Manufacturers And Traders Trust Company
party two 308-310 West 21 Realty LLC
View on ACRIS ↗
TERMINATION OF ASSIGN OF L&R Jun 2, 2014
party one Manufacturers And Traders Trust Company
View on ACRIS ↗
PARTIAL RELEASE OF MORTGAGE Jun 2, 2014
party one Manufacturers And Traders Trust Company
party two 308-310 West 21 Realty LLC
View on ACRIS ↗
CONTRACT OF SALE May 29, 2014
grantor/seller 308-310 West 21 Realty LLC
grantee/buyer Delcona LLC
View on ACRIS ↗
DOB complaints — total 21 · open 0 · closed 21
Electrical wiring – defective/exposed Closed Jan 3, 2026
Complaint 1713697
View on BIS ↗
Boiler – defective/non-operative/no permit Closed Aug 6, 2025
Complaint 1701685
View on BIS ↗
Plumbing – defective/leaking/not maintained Closed Sep 20, 2018
Complaint 1490312
View on BIS ↗
Show all 21
Category 54 Closed Mar 21, 2018
Complaint 1474863
View on BIS ↗
Illegal hotel rooms in residential building Closed Nov 3, 2015
Complaint 1409331
View on BIS ↗
Illegal hotel rooms in residential building Closed Oct 25, 2013
Complaint 1359171
View on BIS ↗
After-hours work – illegal Closed Jul 23, 2013
Complaint 1353151
View on BIS ↗
Debris/building – falling or danger of falling Closed Mar 23, 2013
Complaint 1345537
View on BIS ↗
After-hours work – illegal Closed Dec 15, 2012
Complaint 1339440
View on BIS ↗
Building shaking/vibrating/structural stability Closed Dec 12, 2012
Complaint 1339232
View on BIS ↗
After-hours work – illegal Closed Dec 8, 2012
Complaint 1338960
View on BIS ↗
After-hours work – illegal Closed Nov 26, 2012
Complaint 1338077
View on BIS ↗
Permit – none (building/PA/demolition) Closed Nov 20, 2012
Complaint 1337815
View on BIS ↗
After-hours work – illegal Closed Oct 27, 2012
Complaint 1336467
View on BIS ↗
Permit – none (building/PA/demolition) Closed Oct 18, 2012
Complaint 1335850
View on BIS ↗
Category 4C Closed Oct 3, 2012
Complaint 1334907
View on BIS ↗
Debris – excessive Closed Jun 3, 2012
Complaint 1326433
View on BIS ↗
Debris – excessive Closed Nov 1, 2011
Complaint 1312068
View on BIS ↗
Permit – none (building/PA/demolition) Closed Mar 20, 2010
Complaint 1277957
View on BIS ↗
Egress – locked/blocked/improper/none Closed May 22, 2008
Complaint 1225483
View on BIS ↗
Illegal conversion Closed Jun 11, 2006
Complaint 1168080
View on BIS ↗
No DOB violations or HPD violations on file.
Deed & identifiers
SBL1007440047
SWIS620100
Parcel ID6201001007440047

Who owns 310 West 21 Street?

310 West 21 Street, Manhattan is owned by Prolifia, LLC per the 2025 NYS assessment roll. It last sold for $13,350,000 in Aug 2014.
Public record, NYS tax roll 2025. Values are the assessor's, not an appraisal. Provided for informational purposes only — accuracy and completeness are not warranted or guaranteed; verify against official sources before relying on it. Disclaimer · Request redaction

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