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Design Firm
AI-ALT STRUCTURAL ENGINEERING PLLC
Design
3 projects with open permitsBROOKLYN · 6
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5 buildings
26
Total Filings
6
Projects on File
5
Buildings Worked
3
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month6 projects all-time
0112Jul '22 · 1May '23 · 1Dec '23 · 1May '24 · 1Jul '24 · 1Dec '25 · 1202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit350%
Filed only350%
By project type
Alteration CO3
New Building2
Full Demolition1
Most active buildings
All buildings →
51 HAVEMEYER STREETBROOKLYN · latest 07/22/2024
2 projects
173 PROSPECT PLACEBROOKLYN · latest 12/05/2023
1 projects
169 PROSPECT PLACEBROOKLYN · 1 open · latest 10/24/2025
1 projects
858 EAST 29 STREETBROOKLYN · 1 open · latest 07/23/2026
1 projects
766 DEAN STREETBROOKLYN · 1 open · latest 04/06/2026
1 projects
Key relationships
Everyone →
Filing representatives
5 projects
1 projects
People
All people →
ALVIN TABARlatest 03/10/2026
26 filings
Filed under
AI-ALT STRUCTURAL ENGINEERING PLLC26
Identified by the contact ids of the people who file for the firm and by its email domain (ai-alt.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01320240 ↗858 EAST 29 STREET
BROOKLYN
Alteration COPermit Issued12/09/202507/23/2026
Owner PARK DEVELOPERS & BLDS IN
Contractor A. M. PLUMBING COMPANY
Filer METRO DESIGN CONSULTANTS INC
PROPOSED STRUCTURAL PLANS FILED HEREWITH.
B00764297 ↗766 DEAN STREET
BROOKLYN
New BuildingPermit Issued07/15/202204/06/2026
Owner 766 DEAN STREET LLC
Contractor CPX PROJECT MANAGEMENT LL
Filer BMB BUILDING CONSULTING INC.
PROPOSE SUBSEQUENT STRUCTURAL WORK FILED IN CONJUNCTION WITH NB JOB #B00764297-I1
B00879096 ↗169 PROSPECT PLACE
BROOKLYN
Alteration COPermit Issued05/31/202310/24/2025
Contractor BMB BUILDER INC
Filer BMB BUILDING CONSULTING INC.
Propose Structural and Partial Demo Work as per plan in conjunction with Alt-CO-GC # B00879096-I1.
B01029662 ↗51 HAVEMEYER STREET
BROOKLYN
Full DemolitionFiled — no permit on record07/22/2024—
Owner FOUR FIVE LLC
Filer BMB BUILDING CONSULTING INC.
—
B01037461 ↗51 HAVEMEYER STREET
BROOKLYN
New BuildingFiled — no permit on record05/16/2024—
Owner FOUR FIVE LLC
Filer BMB BUILDING CONSULTING INC.
—
B00945367 ↗173 PROSPECT PLACE
BROOKLYN
Alteration COFiled — no permit on record12/05/2023—
Filer BMB BUILDING CONSULTING INC.
—
Counts cover all 6 projects (6 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
ALVIN TABAR2603/10/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BOWERBIRD ARCHITECT, PLLC406/24/2026
ALL CITY ENGINEERING, P.C.209/15/2026
GASBARRO STRUCTURAL ENGINEERING108/18/2025
SKOLNICK ARCHITECTURE PLLC109/15/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AMERICAN STANDARD P&H COR106/24/2026
AMERICAN STANDARD PLUMBIN106/24/2026
BMB BUILDER INC106/24/2026
CPX PROJECT MANAGEMENT LL108/18/2025
MAINSTREET WORKS CLS LLC109/15/2026
MEGA PLBG CORP108/18/2025
PARK PREMIUM ENTERPRISES109/15/2026
S & J INDUSTRIAL CORP109/15/2026
VSP MECHANICAL INC108/18/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
FOUR FIVE LLC207/22/2024
766 DEAN STREET LLC108/18/2025
PARK DEVELOPERS & BLDS IN109/15/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BMB BUILDING CONSULTING INC.506/24/2026
METRO DESIGN CONSULTANTS INC109/15/2026
6 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 6Open permit 3Filed only 3
Any typeAlteration CO 3New Building 2Full Demolition 1
6 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01320240 ↗858 EAST 29 STREET
BROOKLYN
Alteration COPermit Issued12/09/202507/23/2026
Owner PARK DEVELOPERS & BLDS IN
Contractor A. M. PLUMBING COMPANY
Filer METRO DESIGN CONSULTANTS INC
PROPOSED STRUCTURAL PLANS FILED HEREWITH.
B00764297 ↗766 DEAN STREET
BROOKLYN
New BuildingPermit Issued07/15/202204/06/2026
Owner 766 DEAN STREET LLC
Contractor CPX PROJECT MANAGEMENT LL
Filer BMB BUILDING CONSULTING INC.
PROPOSE SUBSEQUENT STRUCTURAL WORK FILED IN CONJUNCTION WITH NB JOB #B00764297-I1
B00879096 ↗169 PROSPECT PLACE
BROOKLYN
Alteration COPermit Issued05/31/202310/24/2025
Contractor BMB BUILDER INC
Filer BMB BUILDING CONSULTING INC.
Propose Structural and Partial Demo Work as per plan in conjunction with Alt-CO-GC # B00879096-I1.
B01029662 ↗51 HAVEMEYER STREET
BROOKLYN
Full DemolitionFiled — no permit on record07/22/2024—
Owner FOUR FIVE LLC
Filer BMB BUILDING CONSULTING INC.
—
B01037461 ↗51 HAVEMEYER STREET
BROOKLYN
New BuildingFiled — no permit on record05/16/2024—
Owner FOUR FIVE LLC
Filer BMB BUILDING CONSULTING INC.
—
B00945367 ↗173 PROSPECT PLACE
BROOKLYN
Alteration COFiled — no permit on record12/05/2023—
Filer BMB BUILDING CONSULTING INC.
—
Scope of Work
HVAC — 4 projects · most recent 09/15/2026
Ventilation Systems Heating and Air Conditioning Systems Air Conditioning Systems Heating Systems
Sprinkler / Standpipe — 3 projects · most recent 09/15/2026
Sprinkler System
Plumbing — 4 projects · most recent 09/15/2026
Water/Sanitary Storm Gas
Structural — 5 projects · most recent 09/15/2026
Steel Concrete Masonry
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
858 EAST 29 STREET ↗203/10/2026
169 PROSPECT PLACE ↗1311/06/2025
766 DEAN STREET ↗201/08/2025
51 HAVEMEYER STREET ↗606/24/2024
173 PROSPECT PLACE ↗310/20/2023
▾Documents — 352 on file (BIS + DOB NOW)
▸Plans & Drawings46
▸DOB NOWPlans/Sketch46
08/26/2026B00945367-S3 · 173 PROSPECT PLACERequest digital key ↗
08/26/2026B00945367-I1 · 173 PROSPECT PLACERequest digital key ↗
08/26/2026B00945367-S2 · 173 PROSPECT PLACERequest digital key ↗
Showing 3 of 46 on file for this type
▸Applications & Permits21
▸DOB NOWLPC Approval/Permit21
08/13/2026B00945367-S2 · 173 PROSPECT PLACEOpen ↗
08/13/2026B00945367-S3 · 173 PROSPECT PLACEOpen ↗
08/13/2026B00945367-I1 · 173 PROSPECT PLACEOpen ↗
Showing 3 of 21 on file for this type
▸Zoning, Tax Lot & Property Records19
▸DOB NOWZD1: DOB Zoning Diagram9
08/13/2026B00945367-I1 · 173 PROSPECT PLACEOpen ↗
08/13/2026B01037461-I1 · 51 HAVEMEYER STREETOpen ↗
Showing 2 of 9 on file for this type
▸DOB NOWRestrictive Declaration/Easement 15
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 5 on file for this type
▸DOB NOWZoning Exhibit form (1-5)3
08/13/2026B00945367-I1 · 173 PROSPECT PLACEOpen ↗
Showing 1 of 3 on file for this type
▸DOB NOWHouse Number Verification: TOPO Stamp2
08/13/2026B01037461-I1 · 51 HAVEMEYER STREETOpen ↗
Showing 1 of 2 on file for this type
▸Seals & Professional Certifications199
▸DOB NOWProgress Inspector Seal & Signature100
09/27/2026B00764297-S2 · 766 DEAN STREETOpen ↗
09/27/2026B00764297-S2 · 766 DEAN STREETOpen ↗
09/27/2026B00764297-S2 · 766 DEAN STREETOpen ↗
Showing 3 of 100 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature54
09/27/2026B00764297-S2 · 766 DEAN STREETOpen ↗
09/27/2026B00764297-S2 · 766 DEAN STREETOpen ↗
09/26/2026B01320240-I1 · 858 EAST 29 STREETOpen ↗
Showing 3 of 54 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature45
09/23/2026B01320240-P5 · 858 EAST 29 STREETOpen ↗
09/23/2026B01320240-P4 · 858 EAST 29 STREETOpen ↗
08/26/2026B00945367-S3 · 173 PROSPECT PLACEOpen ↗
Showing 3 of 45 on file for this type
▸Trade Schedules & Equipment2
▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Safety & Tenant Protection5
▸DOB NOWStreet Tree Checklist4
08/13/2026B01037461-I1 · 51 HAVEMEYER STREETOpen ↗
08/13/2026B00945367-I1 · 173 PROSPECT PLACEOpen ↗
Showing 2 of 4 on file for this type
▸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 & Asbestos15
▸DOB NOWDEP ACP-5: Asbestos Assessment Report15
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 15 on file for this type
▸Energy Compliance1
▸DOB NOWPreliminary Commissioning Report Certification1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Inspections & Test Reports3
▸DOB NOWSOIL REPORT2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 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
▸Approvals, Objections & Sign-offs2
▸DOB NOWLandmark Approval2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Other Documents39
▸DOB NOWProperty Ownership Certification12
09/23/2026B01320240-P5 · 858 EAST 29 STREETOpen ↗
08/26/2026B00945367-I1 · 173 PROSPECT PLACEOpen ↗
08/25/2026B01037461-I1 · 51 HAVEMEYER STREETOpen ↗
Showing 3 of 12 on file for this type
▸DOB NOWSite Survey: Initial10
08/13/2026B01037461-I1 · 51 HAVEMEYER STREETOpen ↗
Showing 1 of 10 on file for this type
▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone9
08/13/2026B01037461-I1 · 51 HAVEMEYER STREETOpen ↗
Showing 1 of 9 on file for this type
▸DOB NOWPlot Diagram6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸DOB NOWStructure Photographs1
08/13/2026B01029662-I1 · 51 HAVEMEYER STREETOpen ↗
▸DOB NOWAdjoining Owners Notification1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type