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Two family converted from one family
90 DEAN STREET
BROOKLYN · BIN 3001247
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1867Year Built
3Stories
B3Building Class
R6BZoning
3,520 sfGross Floor Area
2Units
Two family converted from one family · 2,000 sf lot · 1.76 FAR built · Flood zone X
Locations of Work
Mechanical
Roof1p · 1 filing · 7 docs
Cellar1p · 1 filing · 7 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
09/05/2018$3.9M—— → —$1,097/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
WILLIAM F. RYAN, JR. P.E. PC101/11/2024
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
G GENERAL CONSTRUCTION LLGeneral Contractor303/21/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
RYAN SPECIAL ENGINEERING2018101/11/2024
Building Lifecycle
All (17)Filed (1)Permit Issued (1)Signed Off (1)Objection (6)Special Inspection (8)
05/16/2024
Signed off — Alteration
PROVIDE TWO (2) NEW ROOF MOUNTED AIR-COOLED, VRF HEAT PUMP, CONDENSING UNITS. CONNECT TO EXISTING. PROVIDE BATHROOM EXHAUST ANDKITCHEN EXHAUST AS REQUIRED. EXISTING INTERIOR HVAC SYSTEMS TO REMAIN.
B00988904-I1
03/19/2024
Permit issued — Mechanical Systems
B00988904-I1-MS
03/01/2024
Objection resolved — Addressed
02/27/2024
Objection resolved — Addressed
01/19/2024
Objection resolved — Addressed
01/16/2024
Objection raised — Scope
01/16/2024
Objection raised — Other
01/16/2024
Objection raised — Scope
01/11/2024
Filed — Alteration
PROVIDE TWO (2) NEW ROOF MOUNTED AIR-COOLED, VRF HEAT PUMP, CONDENSING UNITS. CONNECT TO EXISTING. PROVIDE BATHROOM EXHAUST ANDKITCHEN EXHAUST AS REQUIRED. EXISTING INTERIOR HVAC SYSTEMS TO REMAIN.
B00988904-I1
01/11/2024
Special inspection requirement — Mechanical Systems
William Ryan
01/11/2024
Special inspection requirement — Fire-Resistant Penetrations and Joints
William Ryan
01/11/2024
Special inspection requirement — Post-installed Anchors
William Ryan
01/11/2024
Special inspection requirement — Final
William Ryan
01/11/2024
Special inspection requirement — HVAC-R and service water heating system controls
William Ryan
01/11/2024
Special inspection requirement — HVAC-R and service water heating equipment
William Ryan
01/11/2024
Special inspection requirement — Maintenance information
William Ryan
01/11/2024
Special inspection requirement — HVAC-R and service water piping design and insulation
William Ryan
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWMechanical SystemsSigned-offG GENERAL CONSTRUCTION LL03/19/2024
BISPLISSUEDA.M.N. CORPORATION02/10/2009
BISPLISSUEDA.M.N. CORPORATION01/11/2008
BISOTISSUEDBURDA CONSTRUCTION CORP01/09/2008
BISMHISSUEDBURDA CONSTRUCTION CORP01/09/2008
BISOTISSUEDBURDA CONSTRUCTION CORP12/27/2007
Nothing on file for this building.
▾Special Inspection Requirements (DOB NOW) — 8
DateRequirementInspectorRole
01/11/2024Mechanical SystemsWilliam Ryanspecial
01/11/2024Fire-Resistant Penetrations and JointsWilliam Ryanspecial
01/11/2024Post-installed AnchorsWilliam Ryanspecial
01/11/2024FinalWilliam Ryanprogress
01/11/2024HVAC-R and service water heating system controlsWilliam Ryanenergy_progress
01/11/2024HVAC-R and service water heating equipmentWilliam Ryanenergy_progress
01/11/2024Maintenance informationWilliam Ryanenergy_progress
01/11/2024HVAC-R and service water piping design and insulationWilliam Ryanenergy_progress
▾Documents — 64 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/26/2026B00988904-I1Request digital key ↗
▸Applications & Permits9
▸BISWORK PERMIT APPLICATION5
06/03/2008310068716Open ↗
01/11/2008310036001Open ↗
01/09/2008310036001Open ↗
Showing 3 of 5 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION2
08/14/2018310068716Open ↗
02/15/2008310036001Open ↗
▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1
07/13/2010310068716Open ↗
▸DOB NOWLPC Approval/Permit1
08/13/2026B00988904-I1Open ↗
▸Zoning, Tax Lot & Property Records3
▸BISZONING EXHIBIT III: DESC & OWNERSHIP STMNT1
03/14/2008310068716Open ↗
▸BISADDRESS: NEW HOUSE NUMBER APPROVED1
08/14/2018310068716Open ↗
▸BISZONING EXHIBIT I: CERTIFICATION1
03/14/2008310068716Open ↗
▸Seals & Professional Certifications21
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION9
06/12/2018310068716Open ↗
09/15/2010310036001Open ↗
09/15/2010310036001Open ↗
Showing 3 of 9 on file for this type
▸BISPC FULL REPORT4
12/12/2007310068716Open ↗
10/25/2007310036001Open ↗
10/25/2007310036001Open ↗
Showing 3 of 4 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST2
06/12/2018310068716Open ↗
12/12/2007310068716Open ↗
▸DOB NOWProgress Inspector Seal & Signature2
08/23/2026B00988904-I1Open ↗
08/23/2026B00988904-I1Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
06/12/2018310068716Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1
12/12/2007310068716Open ↗
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/13/2026B00988904-I1Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/23/2026B00988904-I1Open ↗
▸Trade Schedules & Equipment6
▸BISDETECTOR:SMOKE-CERT. OF INSTALLATION5
08/21/2018310068716Open ↗
08/21/2018310068716Open ↗
08/14/2018310068716Open ↗
Showing 3 of 5 on file for this type
▸BISSELF-CERT PLUMBING NOTICE1
02/20/2009310036001Open ↗
▸Safety & Tenant Protection1
▸BISSTREET TREE CHECKLIST1
06/12/2018310068716Open ↗
▸Environmental & Asbestos3
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1
12/12/2007310068716Open ↗
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1
10/25/2007310036001Open ↗
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/13/2026B00988904-I1Open ↗
▸Energy Compliance1
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
06/12/2018310068716Open ↗
▸Approvals, Objections & Sign-offs7
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST3
08/30/2018310068716Open ↗
08/21/2018310068716Open ↗
09/15/2010310036001Open ↗
▸BISADMINISTRATIVE OBJECTIONS2
12/12/2007310068716Open ↗
10/25/2007310036001Open ↗
▸BISLETTERS - SUPPORTING DOCUMENTATION2
06/12/2018310068716Open ↗
09/15/2010310036001Open ↗
▸Cost, Insurance & Ownership6
▸BISCOST AFFIDAVIT6
08/15/2018310068716Open ↗
06/12/2018310068716Open ↗
09/15/2010310036001Open ↗
Showing 3 of 6 on file for this type
▸Filing & Intake Forms3
▸BISBOROUGH INTAKE FORM2
08/30/2018310068716Open ↗
08/21/2018310068716Open ↗
▸BISADDITIONAL INFORMATION1
06/13/2018310068716Open ↗
▸Other Documents3
▸BISPLOT DIAGRAM2
08/14/2018310068716Open ↗
06/12/2018310068716Open ↗
▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION1
06/11/2018310068716Open ↗