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Entity
Mapleton Library
Tenant
BROOKLYN · 3
1 building
3
Total Filings
3
Projects on File
1
Buildings Worked
0
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month3 projects all-time
0112Apr '21 · 1Jun '25 · 1Jul '25 · 12022202320242025
bars = month · line = 3-mo average
Portfolio status
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Signed off133%
Filed only267%
By project type
Alteration3
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6009 17 AVENUEBROOKLYN · latest 11/24/2025
3 projects
Key relationships
Everyone →
Filing representatives
1 projects
Contractors
1 projects
Owners
1 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B00495387 ↗6009 17 AVENUE
BROOKLYN
AlterationSigned-off04/12/202111/24/2025
Design JFK&M CONSULTING ENGINEERS
Contractor LOUIS L.BUTTERMARK & SONS
install 5 roof drains. Cut back and cap existing 4 storm piping from roof drains to storm leader. Install new 4 leader and connect to exist…
B01181879 ↗6009 17 AVENUE
BROOKLYN
AlterationFiled — no permit on record07/09/2025—
Design SCAPE LANDSCAPE ARCHITECTURE D.P.C.
Owner DDC
Filer JAM CONSULTANTS, INC.
—
B01174866 ↗6009 17 AVENUE
BROOKLYN
AlterationFiled — no permit on record06/17/2025—
Design INSIGHT CIVIL ENGINEERING, PLLC
—
Counts cover all 3 projects (3 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
INSIGHT CIVIL ENGINEERING, PLLC106/17/2025
JFK&M CONSULTING ENGINEERS102/26/2026
SCAPE LANDSCAPE ARCHITECTURE D.P.C.107/09/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
LOUIS L.BUTTERMARK & SONS102/26/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DDC107/09/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JAM CONSULTANTS, INC.107/09/2025
3 DOB NOW projects, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.
All 3Signed off 1Filed only 2
3 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B00495387 ↗6009 17 AVENUE
BROOKLYN
AlterationSigned-off04/12/202111/24/2025
Design JFK&M CONSULTING ENGINEERS
Contractor LOUIS L.BUTTERMARK & SONS
install 5 roof drains. Cut back and cap existing 4 storm piping from roof drains to storm leader. Install new 4 leader and connect to exist…
B01181879 ↗6009 17 AVENUE
BROOKLYN
AlterationFiled — no permit on record07/09/2025—
Design SCAPE LANDSCAPE ARCHITECTURE D.P.C.
Owner DDC
Filer JAM CONSULTANTS, INC.
—
B01174866 ↗6009 17 AVENUE
BROOKLYN
AlterationFiled — no permit on record06/17/2025—
Design INSIGHT CIVIL ENGINEERING, PLLC
—
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
6009 17 AVENUE ↗302/26/2026
▾Documents — 17 on file (BIS + DOB NOW)
▸Plans & Drawings4
▸DOB NOWPlans/Sketch4
08/21/2026B01174866-I1 · 6009 17 AVENUERequest digital key ↗
08/21/2026B01181879-I1 · 6009 17 AVENUERequest digital key ↗
08/18/2026B00495387-P1 · 6009 17 AVENUERequest digital key ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications4
▸DOB NOWDPL-1: Design Professional Seal & Signature4
08/21/2026B01174866-I1 · 6009 17 AVENUEOpen ↗
08/18/2026B00495387-I1 · 6009 17 AVENUEOpen ↗
08/18/2026B00495387-P1 · 6009 17 AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸Environmental & Asbestos1
▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form1
08/18/2026B00495387-I1 · 6009 17 AVENUEOpen ↗
▸Approvals, Objections & Sign-offs8
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter4
08/21/2026B01174866-I1 · 6009 17 AVENUEOpen ↗
08/18/2026B00495387-P1 · 6009 17 AVENUEOpen ↗
08/18/2026B00495387-I1 · 6009 17 AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWDesign Commission Approval City Owned (Exterior Work)4
08/13/2026B00495387-P1 · 6009 17 AVENUEOpen ↗
08/13/2026B00495387-I1 · 6009 17 AVENUEOpen ↗
08/13/2026B01174866-I1 · 6009 17 AVENUEOpen ↗
Showing 3 of 4 on file for this type