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Three families
230 UNDERHILL AVENUE
BROOKLYN · BIN 3029362
💬 Discuss this project
1920Year Built
3Stories
C0Building Class
R8XZoning
4,124 sfGross Floor Area
3Units
Rent Stabilized0 Open ViolationsFDNY Report ↗
Three families · Owner of record: CETERUS PARIBUS, LLC · 1,406 sf lot · 2.93 FAR built · Flood zone X
Locations of Work
ArchitectureStructuralMechanical
Roof5p · 2 filings · 17 docs
Floor 43p · 2 filings · 12 docs
Floor 32p · 1 filing · 9 docs
Floor 2
Floor 1
Cellar3p · 1 filing · 9 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
07/17/2018$2.8M—— → —$667/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NY BUILDING ASSOCIATES INC108/21/2025
RYAN SOAMES ENGINEERING210/24/2023
MURRAY ENGINEERING PC105/31/2023
AL-ARCHITECTURE OFFICE DPC104/18/2023
▾Filing Representatives (Expediters)
RepresentativeFilingsMost Recent
S M EXPEDITING803/21/2026
BROOKLYN SOLARWORKS103/21/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BROOKLYN SOLARWORKS LLCGeneral Contractor104/09/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244108/21/2025
Building Lifecycle
All (49)Filed (5)Permit Issued (1)Signed Off (1)Violation (11)Objection (13)Special Inspection (18)
12/15/2025
Signed off — Alteration
B01265217-I1
08/27/2025
Permit issued — Solar
B01265217-I1-SL
08/21/2025
Filed — Alteration
B01265217-I1
08/01/2025
Special inspection requirement — Energy Code Compliance Inspections
NARESH MAHANGU
08/01/2025
Special inspection requirement — Fire-Resistant Penetrations and Joints
NARESH MAHANGU
08/01/2025
Special inspection requirement — Structural Stability – Alterations of existing buildings
NARESH MAHANGU
08/01/2025
Special inspection requirement — Final
NARESH MAHANGU
08/01/2025
Special inspection requirement — Air barrier - visual inspection
NARESH MAHANGU
06/11/2025
Violation issued (HPD, closed)
A
04/12/2024
Violation issued (HPD, closed)
A
03/13/2024
Objection raised — Scope
03/13/2024
Objection resolved — Resolved
03/12/2024
Objection resolved — Addressed
02/23/2024
Objection resolved — Addressed
10/26/2023
Objection raised — Admin
10/26/2023
Objection raised — Structural
10/26/2023
Objection raised — Scope
10/26/2023
Objection raised — Fire_Protection
10/26/2023
Objection raised — Structural
10/26/2023
Objection raised — Structural
10/26/2023
Objection raised — Admin
10/24/2023
Filed — Alteration
Plumbing and Sprinkler work in conjunction with ALT CO application B00838725
B00841530-I1
10/23/2023
Objection raised — Other
10/23/2023
Objection raised — Scope
10/20/2023
Filed — Alteration
B00841613-I1
05/31/2023
Filed — Alteration
B00838746-I1
04/25/2023
Special inspection requirement — Masonry
04/21/2023
Special inspection requirement — Structural Steel - Welding
04/18/2023
Filed — Alteration CO
B00838725-I1
03/27/2023
Violation issued (HPD, closed)
A
03/21/2023
Special inspection requirement — Structural Steel - Details
03/21/2023
Special inspection requirement — Concrete - Cast-In-Place
03/21/2023
Special inspection requirement — Post-installed Anchors
03/21/2023
Special inspection requirement — Structural Cold-Formed Steel
03/21/2023
Special inspection requirement — Structural Steel - High Strength Bolting
03/21/2023
Special inspection requirement — Structural Wood Frame
03/14/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
03/09/2023
Special inspection requirement — Sprinkler Systems
03/03/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
03/03/2023
Special inspection requirement — Construction Operations Influencing Adjacent Structures
03/03/2023
Special inspection requirement — Final
03/02/2022
Violation issued (HPD, closed)
A
10/31/2019
Violation issued (HPD, closed)
I
09/09/2019
Violation issued (ECB, closed)
Construction
09/09/2019
Violation issued (ECB, closed)
Construction
09/09/2019
Violation issued (ECB, closed)
Construction
09/09/2019
Violation issued (ECB, closed)
Quality of Life
11/29/2017
Violation issued (HPD, closed)
I
10/14/2015
Violation issued (HPD, closed)
I
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarSigned-offBROOKLYN SOLARWORKS LLC08/27/2025
BISPLISSUEDSUNSET PLBG & FIRE PROTECTION08/29/2000
BISEQISSUEDNEW MODEL CONTRACTING CO08/16/2000
1 project · most recent 10/24/2023
FiledStatusContractorScope
10/24/2023——34 heads
1 project · most recent 10/24/2023
Gas Water/Sanitary
FiledStatusContractorScope
10/24/2023——Gas, Water/Sanitary
1 project · most recent 08/01/2025
FiledStatusContractorScope
08/01/2025CompleteBROOKYLN SOLARWORKS, LLC—
▾Special Inspection Requirements (DOB NOW) — 18
DateRequirementInspectorRole
08/01/2025Energy Code Compliance InspectionsNARESH MAHANGUprogress
08/01/2025Fire-Resistant Penetrations and JointsNARESH MAHANGUspecial
08/01/2025Structural Stability – Alterations of existing buildingsNARESH MAHANGUspecial
08/01/2025FinalNARESH MAHANGUprogress
08/01/2025Air barrier - visual inspectionNARESH MAHANGUenergy_progress
04/25/2023Masonry—special
04/21/2023Structural Steel - Welding—special
03/21/2023Structural Steel - Details—special
03/21/2023Concrete - Cast-In-Place—special
03/21/2023Post-installed Anchors—special
03/21/2023Structural Cold-Formed Steel—special
03/21/2023Structural Steel - High Strength Bolting—special
03/21/2023Structural Wood Frame—progress
03/14/2023Fire-Resistant Penetrations and Joints—special
03/09/2023Sprinkler Systems—special
03/03/2023Structural Stability – Alterations of existing buildings—special
03/03/2023Construction Operations Influencing Adjacent Structures—special
03/03/2023Final—progress
▾Documents — 69 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/27/2026B00838746-I1Request digital key ↗
08/26/2026B00841613-I1Request digital key ↗
08/20/2026B01265217-I1Request digital key ↗
Showing 3 of 4 on file for this type
▸Applications & Permits6
▸BISPLAN / WORK APPROVAL APPLICATION6
10/17/2018320982291Open ↗
10/10/2018320982291Open ↗
11/18/2014320982291Open ↗
Showing 3 of 6 on file for this type
▸Zoning, Tax Lot & Property Records8
▸BISZONING EXHIBIT I- CERTIFICATION3
11/18/2014320982291Open ↗
11/18/2014320982291Open ↗
11/13/2014320982291Open ↗
▸BISZONING DIAGRAM2
11/25/2014320982291Open ↗
09/22/2014320982291Open ↗
▸BISZONING EXHIBIT III- DESC & OWNERSHIP STMNT1
11/13/2014320982291Open ↗
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B00838725-I1Open ↗
▸DOB NOWZoning Exhibit form (1-5)1
08/13/2026B00838725-I1Open ↗
▸Seals & Professional Certifications14
▸DOB NOWDPL-1: Design Professional Seal & Signature5
08/27/2026B00838746-I1Open ↗
08/13/2026B00841530-I1Open ↗
08/13/2026B00838725-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWProgress Inspector Seal & Signature3
08/28/2026B01265217-I1Open ↗
08/28/2026B01265217-I1Open ↗
08/28/2026B01265217-I1Open ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT2
09/22/2014320982291Open ↗
09/22/2014320982291Open ↗
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION2
09/22/2014320982291Open ↗
09/22/2014320982291Open ↗
▸BISPROFESSIONAL CERTIFIED CHECKLIST1
09/22/2014320982291Open ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/28/2026B01265217-I1Open ↗
▸Safety & Tenant Protection3
▸BISSTREET TREE SUPPORTING DOCUMENT1
11/18/2014320982291Open ↗
▸BISSTREET TREE CHECKLIST1
09/22/2014320982291Open ↗
▸DOB NOWStreet Tree Checklist1
08/13/2026B00838725-I1Open ↗
▸Environmental & Asbestos6
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/27/2026B00838746-I1Open ↗
08/13/2026B00838725-I1Open ↗
08/13/2026B00841613-I1Open ↗
Showing 3 of 5 on file for this type
▸BISASBESTOS: CERTIFICATION (DEP ACP5)1
09/22/2014320982291Open ↗
▸Energy Compliance1
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS1
09/22/2014320982291Open ↗
▸Approvals, Objections & Sign-offs13
▸BISLETTERS - SUPPORTING DOCUMENTATION9
11/13/2014320982291Open ↗
11/13/2014320982291Open ↗
11/13/2014320982291Open ↗
Showing 3 of 9 on file for this type
▸BISSCHEDULE A - OCCUPANCY - USE3
11/18/2014320982291Open ↗
11/13/2014320982291Open ↗
09/22/2014320982291Open ↗
▸DOB NOWUtility Company Final Acceptance Letter1
08/13/2026B01265217-I1Open ↗
▸Cost, Insurance & Ownership3
▸BISCOST AFFIDAVIT3
11/18/2014320982291Open ↗
09/22/2014320982291Open ↗
09/22/2014320982291Open ↗
▸Filing & Intake Forms5
▸BISBOROUGH INTAKE FORM3
10/17/2018320982291Open ↗
10/17/2018320982291Open ↗
10/10/2018320982291Open ↗
▸BISEFILING COVER SHEET2
09/22/2014320982291Open ↗
09/22/2014320982291Open ↗
▸Other Documents6
▸BISPLOT DIAGRAM2
09/22/2014320982291Open ↗
11/18/2014320982291Open ↗
▸DOB NOWPlot Diagram1
08/13/2026B00838725-I1Open ↗
▸DOB NOWSite Survey: Initial1
08/13/2026B00838725-I1Open ↗
▸DOB NOWProperty Ownership Certification1
08/13/2026B00838725-I1Open ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
08/13/2026B00838725-I1Open ↗