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One family attached or semi-detached
408 OLMSTEAD AVENUE
BRONX · BIN 2021039
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1965Year Built
3Stories
A5Building Class
R5Zoning
1,944 sfGross Floor Area
1Units
One family attached or semi-detached · 1,903 sf lot · 1.02 FAR built · Flood zone X
Locations of Work
ArchitectureElectrical
Permit Issued — active, not yet Signed-off
RoofUnder Construction4p · 1 filing · 3 docs
Sub-BasementUnder Construction2p · 1 filing · 3 docs
▾Sales History (ACRIS)
DatePriceUnitSeller → Buyer$/sf
01/16/2020$310K—Private party → Private party$159/sf building
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
NKM ENGINEERING PLLC105/06/2026
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
BROOKLYN SOLARWORKS LLCGeneral Contractor107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
NKM ENGINEERING PLLC6244105/06/2026
Building Lifecycle
All (4)Filed (1)Permit Issued (1)Inspection (2)
06/15/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
06/15/2026
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
05/11/2026
Permit issued — Solar
X01392207-I1-SL
05/06/2026
Filed — Alteration
INSTALLATION OF SOLAR PV SYSTEM. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
X01392207-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWSolarPermit IssuedBROOKLYN SOLARWORKS LLC05/11/2026
1 project · most recent 04/30/2026
FiledStatusContractorScope
04/30/2026CompleteBROOKYLN SOLARWORKS, LLC—
1 project · most recent 05/06/2026
FiledStatusContractorScope
05/06/2026Permit IssuedBROOKLYN SOLARWORKS LLC9 panels, 3.96 kw, 676.12 roof_area_sqft
▾Field Inspections (DOB CAP) — 2
DateTypeResultReport
06/15/2026Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
06/15/2026Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Documents — 3 on file (BIS + DOB NOW)
▸Plans & Drawings1
▸DOB NOWPlans/Sketch1
08/16/2026X01392207-I1Request digital key ↗
▸Seals & Professional Certifications1
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/16/2026X01392207-I1Open ↗
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-5: Asbestos Assessment Report1
08/16/2026X01392207-I1Open ↗