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Contractor
HAMM DEVELOPMENT LLC
General Contractor
4 projects with open permitsBROOKLYN · 5
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2 buildings
10
Total Filings
5
Projects on File
1
Buildings Worked
4
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month5 projects all-time
0112Jan '21 · 1Apr '24 · 1May '24 · 1Oct '24 · 1Apr '25 · 120212022202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit480%
Other status120%
By project type
Alteration3
Alteration CO1
Most active buildings
All buildings →
116 OAK STREETBROOKLYN · 4 open · latest 01/13/2026
4 projects
708 HALSEY STREETBROOKLYN · latest 01/08/2021
1 projects
Key relationships
Everyone →
Filing representatives
2 projects
1 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01125105 ↗116 OAK STREET
BROOKLYN
AlterationPermit Issued10/16/202401/13/2026
Design PRIME ZONE BUILDING CONSULTING
Owner HAMM DEVELOPMENT LLC
Filer L&C ASSOCIATES
PROVIDE NEW MECHANICAL SYSTEM THROUGHOUT EXISTING THREE-STORY RESIDENTIAL BUILDING WITH BASEMENT, IN CONJUNCTION WITH JOB# B01053772-I1
B01043606 ↗116 OAK STREET
BROOKLYN
AlterationPermit Issued04/30/202401/12/2026
Design L & C ASSOCIATES
Owner HAMM DEVELOPMENT LLC
Filer L&C ASSOCIATES
INTERIOR RENOVATION IN EXISTING 2-FAMILY 2-STY. RESIDENTIAL BUILDING WITH BASEMENT. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THIS A…
B01053772 ↗116 OAK STREET
BROOKLYN
Alteration COPermit Issued05/22/202404/30/2025
Design YAN ENGINEERING PLLC
Owner HAMM DEVELOPMENT LLC
Filer WM ARCH CORP
SUBSEQUENT FILING STEEL FRAME WORK IN CONJUNCTION WITH ALT-CO JOB #B01053772-I1
B01202889 ↗116 OAK STREET
BROOKLYN
AlterationPermit Issued04/01/202504/21/2025
Design ARC CONSULTING ENGINEERS
Owner HAMM DEVELOPMENT LLC
PROPOSED TEMPORARY CONSTRUCTION FENCE OUTSIDE THE PROPERTY LINE BUT WITHIN 3 FEET OF THE PROPERTY LINE
340800002BIS708 HALSEY STREET
BROOKLYN
—ISSUED01/08/202101/08/2021—OT
Counts cover all 5 projects (4 DOB NOW + 1 legacy BIS). 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
L & C ASSOCIATES210/31/2025
PRIME ZONE BUILDING CONSULTING210/31/2025
ARC CONSULTING ENGINEERS104/01/2025
YAN ENGINEERING PLLC110/31/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
L&C ASSOCIATES210/16/2024
WM ARCH CORP110/31/2025
4 DOB NOW projects + 1 legacy BIS project, 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 5Open permit 4Other status 1
Any typeAlteration 3Alteration CO 1
5 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01125105 ↗116 OAK STREET
BROOKLYN
AlterationPermit Issued10/16/202401/13/2026
Design PRIME ZONE BUILDING CONSULTING
Owner HAMM DEVELOPMENT LLC
Filer L&C ASSOCIATES
PROVIDE NEW MECHANICAL SYSTEM THROUGHOUT EXISTING THREE-STORY RESIDENTIAL BUILDING WITH BASEMENT, IN CONJUNCTION WITH JOB# B01053772-I1
B01043606 ↗116 OAK STREET
BROOKLYN
AlterationPermit Issued04/30/202401/12/2026
Design L & C ASSOCIATES
Owner HAMM DEVELOPMENT LLC
Filer L&C ASSOCIATES
INTERIOR RENOVATION IN EXISTING 2-FAMILY 2-STY. RESIDENTIAL BUILDING WITH BASEMENT. NO CHANGE IN USE, MEANS OF EGRESS OR OCCUPANCY IN THIS A…
B01053772 ↗116 OAK STREET
BROOKLYN
Alteration COPermit Issued05/22/202404/30/2025
Design YAN ENGINEERING PLLC
Owner HAMM DEVELOPMENT LLC
Filer WM ARCH CORP
SUBSEQUENT FILING STEEL FRAME WORK IN CONJUNCTION WITH ALT-CO JOB #B01053772-I1
B01202889 ↗116 OAK STREET
BROOKLYN
AlterationPermit Issued04/01/202504/21/2025
Design ARC CONSULTING ENGINEERS
Owner HAMM DEVELOPMENT LLC
PROPOSED TEMPORARY CONSTRUCTION FENCE OUTSIDE THE PROPERTY LINE BUT WITHIN 3 FEET OF THE PROPERTY LINE
340800002BIS708 HALSEY STREET
BROOKLYN
—ISSUED01/08/202101/08/2021—OT
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
116 OAK STREET ↗1007/08/2026
▾Documents — 101 on file (BIS + DOB NOW)
▸Plans & Drawings10
▸DOB NOWPlans/Sketch10
08/25/2026B01043606-I1 · 116 OAK STREETRequest digital key ↗
08/23/2026B01125105-I1 · 116 OAK STREETRequest digital key ↗
08/22/2026B01202889-I1 · 116 OAK STREETRequest digital key ↗
Showing 3 of 10 on file for this type
▸Applications & Permits2
▸BISPLAN / WORK APPROVAL APPLICATION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISWORK PERMIT APPLICATION1
01/08/2021340800002 · 708 HALSEY STREETOpen ↗
▸Zoning, Tax Lot & Property Records6
▸DOB NOWZoning Exhibit form (1-5)3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸DOB NOWZD1: DOB Zoning Diagram2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸DOB NOWHouse Number Verification: TOPO Stamp1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Seals & Professional Certifications33
▸DOB NOWProgress Inspector Seal & Signature12
09/01/2026B01053772-P1 · 116 OAK STREETOpen ↗
09/01/2026B01053772-P1 · 116 OAK STREETOpen ↗
08/29/2026B01053772-P4 · 116 OAK STREETOpen ↗
Showing 3 of 12 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature10
08/23/2026B01125105-I1 · 116 OAK STREETOpen ↗
08/22/2026B01202889-I1 · 116 OAK STREETOpen ↗
08/13/2026B01043606-I1 · 116 OAK STREETOpen ↗
Showing 3 of 10 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature8
09/01/2026B01053772-P1 · 116 OAK STREETOpen ↗
08/29/2026B01053772-P4 · 116 OAK STREETOpen ↗
08/28/2026B01053772-P3 · 116 OAK STREETOpen ↗
Showing 3 of 8 on file for this type
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1
12/23/2020340800002 · 708 HALSEY STREETOpen ↗
▸BISPROFESSIONAL CERTIFICATION STATEMENT1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Trade Schedules & Equipment4
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)4
09/01/2026B01053772-I1 · 116 OAK STREETOpen ↗
Showing 1 of 4 on file for this type
▸Safety & Tenant Protection5
▸DOB NOWStreet Tree Checklist3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸BISTPP1: TENANT PROTECTION PLAN1
01/08/2021340800002 · 708 HALSEY STREETOpen ↗
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
08/23/2026B01125105-I1 · 116 OAK STREETOpen ↗
08/13/2026B01043606-I1 · 116 OAK STREETOpen ↗
Showing 2 of 9 on file for this type
▸Energy Compliance5
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY3
07/27/2021340800002 · 708 HALSEY STREETOpen ↗
01/08/2021340800002 · 708 HALSEY STREETOpen ↗
12/23/2020340800002 · 708 HALSEY STREETOpen ↗
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS (EN2)1
07/27/2021340800002 · 708 HALSEY STREETOpen ↗
▸Inspections & Test Reports6
▸BISTECHNICAL REPORT: RESPONSIBILITY4
07/27/2021340800002 · 708 HALSEY STREETOpen ↗
07/27/2021340800002 · 708 HALSEY STREETOpen ↗
01/08/2021340800002 · 708 HALSEY STREETOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWTR4 Test Report and Plot Diagram1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWSOIL REPORT1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Approvals, Objections & Sign-offs1
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1
07/27/2021340800002 · 708 HALSEY STREETOpen ↗
▸Cost, Insurance & Ownership2
▸BISCOST AFFIDAVIT1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISCOST AFFIDAVIT (FINAL): PW31
07/27/2021340800002 · 708 HALSEY STREETOpen ↗
▸Filing & Intake Forms1
▸BISEFILING JOB APPLICATION COVER SHEET1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Other Documents17
▸DOB NOWPlot Diagram5
09/01/2026B01053772-I1 · 116 OAK STREETOpen ↗
Showing 1 of 5 on file for this type
▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION3
07/27/2021340800002 · 708 HALSEY STREETOpen ↗
07/27/2021340800002 · 708 HALSEY STREETOpen ↗
12/23/2020340800002 · 708 HALSEY STREETOpen ↗
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸DOB NOWSite Survey: Initial3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸DOB NOWProperty Ownership Certification3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type