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Primarily 1 family with 1 store or office
170 FROST STREET
BROOKLYN · East Williamsburg · BIN 3068214
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1925Year Built
3Stories
S1Building Class
R6AZoning
5,118 sfGross Floor Area
2Units
3 Open Violations 1 unresolved · 2 paperwork only ▸FDNY Report ↗
Primarily 1 family with 1 store or office · Owner of record: CHAO CHUN CORP. · 2,500 sf lot · 2.05 FAR built · Flood zone X
Locations of Work
ArchitectureGeneral
Filed — no permit issued8p · 1 filing · 4 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
CHAO CHUN CORP.303/22/2026
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
03/21/2017$2.6M—— → —$500/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
CL ENGINEERING P.C.107/11/2022
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
CL ENGINEERING P.C.6781107/11/2022
Building Lifecycle
All (25)Filed (1)Violation (4)Objection (20)
01/23/2025
Violation issued (ECB, open)
Construction
12/09/2022
Objection resolved — Addressed
12/08/2022
Objection raised — Other
12/05/2022
Objection resolved — Addressed
11/15/2022
Objection resolved — Addressed
11/15/2022
Objection resolved — Addressed
09/13/2022
Objection resolved — Addressed
09/13/2022
Objection resolved — Addressed
09/06/2022
Objection resolved — Addressed
09/03/2022
Objection resolved — Addressed
09/02/2022
Objection resolved — Addressed
09/02/2022
Objection resolved — Addressed
08/10/2022
Objection raised — Zoning
08/10/2022
Objection raised — Zoning
08/10/2022
Objection raised — Zoning
08/10/2022
Objection raised — Inspections
08/10/2022
Objection raised — Admin
08/10/2022
Objection raised — Zoning
08/02/2022
Objection raised — Other
08/02/2022
Objection raised — Zoning
08/02/2022
Objection raised — Other
07/11/2022
Filed — Alteration CO
FILE TO CONVERT DOCTOR'S OFFICE AT 1ST FLOOR TO ONE FAMILY WITH PARTITION WORKS AS PER PLAN. PLUMBING WORK TO BE FILED SEPARATELY. OBTAINING NEW CERTIFICATE OF OCCUPANCY.
B00771768-I1
04/11/2022
Violation issued (ECB, closed)
Construction
04/11/2022
Violation issued (ECB, open)
Construction
12/07/2020
Violation issued (HPD, open)
B
Nothing on file for this building.
Nothing on file for this building.
Nothing on file for this building.
▾Documents — 4 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/14/2026B00771768-I1Request digital key ↗
▸Seals & Professional Certifications1
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/29/2026B00771768-I1Open ↗
▸Safety & Tenant Protection1
▸DOB NOWStreet Tree Checklist1
08/14/2026B00771768-I1Open ↗
▸Other Documents1
▸DOB NOWProperty Ownership Certification1
08/14/2026B00771768-I1Open ↗