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Design Firm
OSTERMIER ARCHITECTURE PLLC
Design
2 projects with open permitsBROOKLYN · 7QUEENS · 2MANHATTAN · 2
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7 buildings
25
Total Filings
11
Projects on File
7
Buildings Worked
2
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month11 projects all-time
0123Oct '21 · 1Dec '22 · 1Sep '23 · 2Feb '24 · 2Jun '24 · 1Jul '25 · 1Oct '25 · 1May '26 · 1Jun '26 · 120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit218%
Signed off655%
Filed only327%
By project type
Alteration10
Alteration CO1
Most active buildings
All buildings →
476 14 STREETBROOKLYN · latest 02/01/2024
2 projects
60 PLAZA ST EASTBROOKLYN · latest 05/21/2024
2 projects
213 GREENPOINT AVENUEBROOKLYN · latest 05/26/2026
2 projects
4-74 48 AVENUEQUEENS · 1 open · latest 08/24/2026
2 projects
534 WEST 149 STREETMANHATTAN · 1 open · latest 03/05/2026
1 projects
64 WEST 11 STREETMANHATTAN · latest 01/09/2022
1 projects
Key relationships
Everyone →
Filing representatives
5 projects
2 projects
1 projects
1 projects
Owners
1 projects
People
All people →
CHRISTINA OSTERMIERlatest 05/18/2026
20 filings
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q014038274-74 48 AVENUE
QUEENS
AlterationPermit Issued06/15/202608/24/2026
Owner AKAM ASSOCIATES, INC.
Contractor WMG RENOVATION CORP
Filer JAM CONSULTANTS, INC.
WORK IS LIMITED TO INTERIOR WORK ONLY, GENERAL CONSTRUCTION INCLUDING NON-LOADING BEARING PARTITIONS AND FINISHES. NO CHANGE IN USE, EGRESS …
B01381569 ↗213 GREENPOINT AVENUE
BROOKLYN
AlterationFiled — no permit on record05/26/2026—
Filer MUNICIPAL BUILDING CONSULTANTS
—
M01295401 ↗534 WEST 149 STREET
MANHATTAN
Alteration COPermit Issued10/02/202503/05/2026
Contractor VESTA CONSTRUCTION, INC
Filer CAVALRY LLC
WORK IS LIMITED TO INTERIOR WORK AND WINDOW REPLACEMENT,GENERAL CONSTRUCTION INCLUDING LOAD BEARING & NON-LOADING BEARING PARTITIONS AND FIN…
B01253634 ↗213 GREENPOINT AVENUE
BROOKLYN
AlterationFiled — no permit on record07/25/2025—
Filer CAVALRY LLC
—
Q01062054 ↗4-74 48 AVENUE
QUEENS
AlterationSigned-off06/12/202408/06/2024
Contractor ORBIT PLBG & HTG INC
Filer CAVALRY LLC
WORK IS LIMITED TO INTERIOR WORK ONLY, PLUMBING WORK, NO CHANGE IN USE, EGRESS AND OCCUPANCY
B00958652 ↗60 PLAZA ST EAST
BROOKLYN
AlterationSigned-off02/26/202405/21/2024
Contractor BLACK SQUARE BUILDERS COR
Partial interior renovation to existing apartment, no change in use, egress and occupancy.
Counts cover all 11 projects (11 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Every person filing for this firm, identified by their DOB NOW contact id (one id is one person). A person is listed under the firm they file for most.
PersonFilingsMost recent
CHRISTINA OSTERMIER2005/18/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BARRY STRUCTURAL ENGINEERING, PLLC201/07/2026
ALBANNA ENGINEERING PC104/03/2023
TSS ENGINEERS101/07/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
WMG RENOVATION CORP206/15/2026
7 & 9 ALBAN LLC110/03/2022
ABA INNOVATIVE BUILDERS I109/19/2023
AMC PLBG, HTG & CLNG, INC109/19/2023
BLACK SQUARE BUILDERS COR102/26/2024
GREGG NY PLUMBING, INC102/26/2024
MEGA PLBG CORP101/07/2026
NICE PLUMBING CORP101/07/2026
ORBIT PLBG & HTG INC112/19/2025
VESTA CONSTRUCTION, INC101/07/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AKAM ASSOCIATES, INC.106/15/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CAVALRY LLC501/07/2026
J. CALLAHAN CONSULTING, INC.209/19/2023
ADAM MAISER110/03/2022
JAM CONSULTANTS, INC.106/15/2026
MUNICIPAL BUILDING CONSULTANTS106/22/2026
11 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 11Open permit 2Signed off 6Filed only 3
Any typeAlteration 10Alteration CO 1
11 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q014038274-74 48 AVENUE
QUEENS
AlterationPermit Issued06/15/202608/24/2026
Owner AKAM ASSOCIATES, INC.
Contractor WMG RENOVATION CORP
Filer JAM CONSULTANTS, INC.
WORK IS LIMITED TO INTERIOR WORK ONLY, GENERAL CONSTRUCTION INCLUDING NON-LOADING BEARING PARTITIONS AND FINISHES. NO CHANGE IN USE, EGRESS …
B01381569 ↗213 GREENPOINT AVENUE
BROOKLYN
AlterationFiled — no permit on record05/26/2026—
Filer MUNICIPAL BUILDING CONSULTANTS
—
M01295401 ↗534 WEST 149 STREET
MANHATTAN
Alteration COPermit Issued10/02/202503/05/2026
Contractor VESTA CONSTRUCTION, INC
Filer CAVALRY LLC
WORK IS LIMITED TO INTERIOR WORK AND WINDOW REPLACEMENT,GENERAL CONSTRUCTION INCLUDING LOAD BEARING & NON-LOADING BEARING PARTITIONS AND FIN…
B01253634 ↗213 GREENPOINT AVENUE
BROOKLYN
AlterationFiled — no permit on record07/25/2025—
Filer CAVALRY LLC
—
Q01062054 ↗4-74 48 AVENUE
QUEENS
AlterationSigned-off06/12/202408/06/2024
Contractor ORBIT PLBG & HTG INC
Filer CAVALRY LLC
WORK IS LIMITED TO INTERIOR WORK ONLY, PLUMBING WORK, NO CHANGE IN USE, EGRESS AND OCCUPANCY
B00958652 ↗60 PLAZA ST EAST
BROOKLYN
AlterationSigned-off02/26/202405/21/2024
Contractor BLACK SQUARE BUILDERS COR
Partial interior renovation to existing apartment, no change in use, egress and occupancy.
B00959149 ↗60 PLAZA ST EAST
BROOKLYN
AlterationSigned-off02/26/202404/23/2024
Contractor GREGG NY PLUMBING, INC
Filer CAVALRY LLC
Plumbing work filed in conjunction with Alt II B00958652. Partial interior renovation to existing apartment, no change in use, egress and oc…
B00927427 ↗476 14 STREET
BROOKLYN
AlterationSigned-off09/19/202302/01/2024
Contractor AMC PLBG, HTG & CLNG, INC
Filer J. CALLAHAN CONSULTING, INC.
PLUMBING WORK AS PER PLANS. NO CHANGE OF USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B00927351 ↗476 14 STREET
BROOKLYN
AlterationSigned-off09/19/202301/18/2024
Contractor ABA INNOVATIVE BUILDERS I
Filer J. CALLAHAN CONSULTING, INC.
MINOR RENOVATION OF A TWO-FAMILY HOME, MINOR PARTITION CHANGES. NO CHANGE OF USE, EGRESS OR OCCUPANCY UNDER THIS APPLICATION.
B08039898 ↗60 REEVE PLACE
BROOKLYN
AlterationFiled — no permit on record12/30/2022—
Filer CAVALRY LLC
—
M00555184 ↗64 WEST 11 STREET
MANHATTAN
AlterationSigned-off10/29/202101/09/2022
Contractor 7 & 9 ALBAN LLC
Filer ADAM MAISER
Renovation of existing apartment on floor 001. Architectural work. There is to be no change of use, occupancy, or egress.
Scope of Work
HVAC — 3 projects · most recent 06/22/2026
Heating and Air Conditioning Systems
Sprinkler / Standpipe — 1 project · most recent 01/07/2026
Sprinkler System
Plumbing — 4 projects · most recent 01/07/2026
Water/Sanitary Gas
Electrical — 1 project · most recent 03/23/2026
No specific sub-scope on file — project count only.
Structural — 3 projects · most recent 01/07/2026
Wood Steel Concrete
Fence / Scaffold / Sign / Shed — 1 project · most recent 04/03/2023
Fence
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
4-74 48 AVENUE ↗505/18/2026
213 GREENPOINT AVENUE ↗505/11/2026
534 WEST 149 STREET ↗409/30/2025
60 PLAZA ST EAST ↗211/07/2023
476 14 STREET ↗208/30/2023
60 REEVE PLACE ↗403/27/2023
64 WEST 11 STREET ↗301/04/2022
▾Documents — 135 on file (BIS + DOB NOW)
▸Plans & Drawings26
▸DOB NOWPlans/Sketch26
09/01/2026M00555184-I1 · 64 WEST 11 STREETRequest digital key ↗
09/01/2026M00555184-P1 · 64 WEST 11 STREETRequest digital key ↗
08/28/2026B08039898-S2 · 60 REEVE PLACERequest digital key ↗
Showing 3 of 26 on file for this type
▸Applications & Permits3
▸DOB NOWLPC Approval/Permit3
08/13/2026M00555184-I1 · 64 WEST 11 STREETOpen ↗
08/13/2026M00555184-P1 · 64 WEST 11 STREETOpen ↗
08/13/2026B00927351-I1 · 476 14 STREETOpen ↗
▸Zoning, Tax Lot & Property Records2
▸DOB NOWZoning Exhibit form (1-5)1
08/13/2026B08039898-I1 · 60 REEVE PLACEOpen ↗
▸DOB NOWZD1: DOB Zoning Diagram1
08/13/2026B08039898-I1 · 60 REEVE PLACEOpen ↗
▸Seals & Professional Certifications82
▸DOB NOWProgress Inspector Seal & Signature34
09/24/2026B08039898-S1 · 60 REEVE PLACEOpen ↗
09/23/2026M01295401-S2 · 534 WEST 149 STREETOpen ↗
09/23/2026M01295401-S2 · 534 WEST 149 STREETOpen ↗
Showing 3 of 34 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature26
09/01/2026M00555184-P1 · 64 WEST 11 STREETOpen ↗
09/01/2026M00555184-I1 · 64 WEST 11 STREETOpen ↗
08/28/2026B08039898-I1 · 60 REEVE PLACEOpen ↗
Showing 3 of 26 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature22
09/24/2026B08039898-S1 · 60 REEVE PLACEOpen ↗
09/23/2026M01295401-S3 · 534 WEST 149 STREETOpen ↗
09/23/2026M01295401-S3 · 534 WEST 149 STREETOpen ↗
Showing 3 of 22 on file for this type
▸Safety & Tenant Protection1
▸DOB NOWStreet Tree Checklist1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Environmental & Asbestos17
▸DOB NOWDEP ACP-5: Asbestos Assessment Report17
09/01/2026M00555184-P1 · 64 WEST 11 STREETOpen ↗
09/01/2026M00555184-I1 · 64 WEST 11 STREETOpen ↗
08/25/2026B00959149-I1 · 60 PLAZA ST EASTOpen ↗
Showing 3 of 17 on file for this type
▸Other Documents4
▸DOB NOWProperty Ownership Certification1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWPlot 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 NOWLocal Law 92/94 of 2019 Sustainable Roof Zone1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWSite Survey: Initial1
08/13/2026B08039898-I1 · 60 REEVE PLACEOpen ↗