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Contractor
BESO BUILDERS LLC
General Contractor
1 project with open permitsBROOKLYN · 9
6 buildings
1
Total Filings
9
Projects on File
1
Buildings Worked
1
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month9 projects all-time
0134Feb '17 · 3Apr '17 · 1Sep '17 · 1Oct '17 · 1Dec '18 · 1Feb '19 · 1Jan '23 · 1201820192020202120222023
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit111%
Other status889%
By project type
Alteration CO1
Most active buildings
All buildings →
300 VAN BRUNT STREETBROOKLYN · 1 open · latest 03/26/2026
3 projects
4011 7 AVENUEBROOKLYN · latest 10/16/2017
2 projects
366 41 STREETBROOKLYN · latest 09/12/2017
1 projects
5007 4 AVENUEBROOKLYN · latest 12/03/2018
1 projects
4820 4 AVENUEBROOKLYN · latest 02/17/2017
1 projects
2450 EAST 11 STBROOKLYN · latest 05/08/2019
1 projects
Key relationships
Everyone →
Design firms
Filing representatives
Contractors
Owners
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B00807690 ↗300 VAN BRUNT STREET
BROOKLYN
Alteration COPermit Issued01/19/202303/26/2026PROPOSED RENOVATION OF EXISTING 4 STORY MIXED USE BUILDING TO CONVERT TO MULTIPLE DWELLING AS PER PLANS FILED HEREWITH
321607999BIS300 VAN BRUNT STREET
BROOKLYN
—ISSUED09/06/201709/18/2019—EQ, OT
321921051BIS300 VAN BRUNT STREET
BROOKLYN
—ISSUED02/05/201909/18/2019—OT
321094677BIS2450 EAST 11 ST
BROOKLYN
—ISSUED02/13/201705/08/2019—EQ, PL
322024741BIS5007 4 AVENUE
BROOKLYN
—ISSUED12/03/201812/03/2018—OT
321559808BIS4011 7 AVENUE
BROOKLYN
—ISSUED04/19/201710/16/2017—OT
Counts cover all 9 projects (1 DOB NOW + 8 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
DESIGN STUDIO ASSOCIATES107/18/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JUST PLBG & HTG INC107/18/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
MARTAN MANAGEMENT LLC107/18/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DESIGN STUDIO ASSOCIATES107/18/2025
1 DOB NOW project + 8 legacy BIS 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 9Open permit 1Other status 8
9 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B00807690 ↗300 VAN BRUNT STREET
BROOKLYN
Alteration COPermit Issued01/19/202303/26/2026PROPOSED RENOVATION OF EXISTING 4 STORY MIXED USE BUILDING TO CONVERT TO MULTIPLE DWELLING AS PER PLANS FILED HEREWITH
321607999BIS300 VAN BRUNT STREET
BROOKLYN
—ISSUED09/06/201709/18/2019—EQ, OT
321921051BIS300 VAN BRUNT STREET
BROOKLYN
—ISSUED02/05/201909/18/2019—OT
321094677BIS2450 EAST 11 ST
BROOKLYN
—ISSUED02/13/201705/08/2019—EQ, PL
322024741BIS5007 4 AVENUE
BROOKLYN
—ISSUED12/03/201812/03/2018—OT
321559808BIS4011 7 AVENUE
BROOKLYN
—ISSUED04/19/201710/16/2017—OT
321665266BIS4011 7 AVENUE
BROOKLYN
—ISSUED10/11/201710/13/2017—OT, PL
321526675BIS366 41 STREET
BROOKLYN
—ISSUED02/15/201709/12/2017—OT
321526684BIS4820 4 AVENUE
BROOKLYN
—ISSUED02/15/201702/17/2017—EQ, OT, PL
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
300 VAN BRUNT STREET ↗107/08/2026
▾Documents — 175 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
▸Applications & Permits46
▸BISWORK PERMIT APPLICATION25
09/20/2019321607999 · 300 VAN BRUNT STREETOpen ↗
09/20/2019321921051 · 300 VAN BRUNT STREETOpen ↗
02/05/2019321921051 · 300 VAN BRUNT STREETOpen ↗
Showing 3 of 25 on file for this type
▸BISPLAN / WORK APPROVAL APPLICATION15
12/24/2025321921051 · 300 VAN BRUNT STREETOpen ↗
09/24/2019321094677 · 2450 EAST 11 STOpen ↗
08/09/2019321094677 · 2450 EAST 11 STOpen ↗
Showing 3 of 15 on file for this type
▸BISPLAN - WORK & PERMITS - SUPPPORTING DOCUMENTATION4
07/24/2019321094677 · 2450 EAST 11 STOpen ↗
04/20/2017321526684 · 4820 4 AVENUEOpen ↗
04/20/2017321526684 · 4820 4 AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸BISCERTIFICATE OF OCCUPANCY: APPLICATION2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Zoning, Tax Lot & Property Records4
▸BISZONING DIAGRAM2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISADDRESS: NEW HOUSE NUMBER APPROVED1
10/30/2019321094677 · 2450 EAST 11 STOpen ↗
▸DOB NOWZoning Exhibit form (1-5)1
08/13/2026B00807690-I1 · 300 VAN BRUNT STREETOpen ↗
▸Seals & Professional Certifications32
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION16
09/24/2019321094677 · 2450 EAST 11 STOpen ↗
06/03/2019321094677 · 2450 EAST 11 STOpen ↗
02/05/2019321921051 · 300 VAN BRUNT STREETOpen ↗
Showing 3 of 16 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST6
01/30/2019321921051 · 300 VAN BRUNT STREETOpen ↗
12/04/2018322024741 · 5007 4 AVENUEOpen ↗
10/10/2017321665266 · 4011 7 AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT6
01/30/2019321921051 · 300 VAN BRUNT STREETOpen ↗
12/04/2018322024741 · 5007 4 AVENUEOpen ↗
10/10/2017321665266 · 4011 7 AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature2
08/21/2026B00807690-S1 · 300 VAN BRUNT STREETOpen ↗
08/21/2026B00807690-I1 · 300 VAN BRUNT STREETOpen ↗
▸DOB NOWSpecial Inspector Seal & Signature1
08/28/2026B00807690-S1 · 300 VAN BRUNT STREETOpen ↗
▸DOB NOWProgress Inspector Seal & Signature1
08/28/2026B00807690-S1 · 300 VAN BRUNT STREETOpen ↗
▸Trade Schedules & Equipment8
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE4
10/10/2017321665266 · 4011 7 AVENUEOpen ↗
Showing 1 of 4 on file for this type
▸BISSEWER/HOUSE CON SIGNOFF: DEP HC 0212
05/28/2019321094677 · 2450 EAST 11 STOpen ↗
Showing 1 of 2 on file for this type
▸BISSPRINKLER INSP REPORT : FP-851
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISSCHEDULE C - HEATING & COMBUSTION EQUIPMENT1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Safety & Tenant Protection9
▸BISTenant Protection Plan and Notes5
12/04/2018322024741 · 5007 4 AVENUEOpen ↗
10/10/2017321665266 · 4011 7 AVENUEOpen ↗
04/27/2017321559808 · 4011 7 AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸BISEXCAVATION OR DEMOLITION: 5-DAY NOTICE1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISSTREET 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
▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1
08/13/2026B00807690-I1 · 300 VAN BRUNT STREETOpen ↗
▸DOB NOWStreet Tree Checklist1
08/13/2026B00807690-I1 · 300 VAN BRUNT STREETOpen ↗
▸Environmental & Asbestos6
▸BISASBESTOS: CERTIFICATION (DEP ACP5)4
02/01/2019321921051 · 300 VAN BRUNT STREETOpen ↗
12/04/2018322024741 · 5007 4 AVENUEOpen ↗
02/15/2017321526675 · 366 41 STREETOpen ↗
Showing 3 of 4 on file for this type
▸DOB NOWDEP ACP-5: Asbestos Assessment Report2
08/21/2026B00807690-S1 · 300 VAN BRUNT STREETOpen ↗
08/15/2026B00807690-I1 · 300 VAN BRUNT STREETOpen ↗
▸Energy Compliance6
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS5
06/03/2019321094677 · 2450 EAST 11 STOpen ↗
12/04/2018322024741 · 5007 4 AVENUEOpen ↗
Showing 2 of 5 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS1
06/03/2019321094677 · 2450 EAST 11 STOpen ↗
▸Inspections & Test Reports5
▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER2
06/03/2019321094677 · 2450 EAST 11 STOpen ↗
Showing 1 of 2 on file for this type
▸BISDEP Hydrant Flow Test Letter2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX1
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-offs9
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST5
10/30/2019321094677 · 2450 EAST 11 STOpen ↗
09/26/2018321559808 · 4011 7 AVENUEOpen ↗
05/08/2018321665266 · 4011 7 AVENUEOpen ↗
Showing 3 of 5 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION2
05/08/2018321665266 · 4011 7 AVENUEOpen ↗
10/30/2017321526684 · 4820 4 AVENUEOpen ↗
▸BISSCHEDULE A - OCCUPANCY / USE1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISADMINISTRATIVE OBJECTIONS1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Cost, Insurance & Ownership15
▸BISCOST AFFIDAVIT9
01/30/2019321921051 · 300 VAN BRUNT STREETOpen ↗
09/26/2018321559808 · 4011 7 AVENUEOpen ↗
05/08/2018321665266 · 4011 7 AVENUEOpen ↗
Showing 3 of 9 on file for this type
▸BISPROJECT-SPECIFIC GL INSURANCE4
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 4 on file for this type
▸BISAcord 25 (Acord Certificate of Liability Insurance)2
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 2 on file for this type
▸Filing & Intake Forms23
▸BISEFILING COVER SHEET9
01/30/2019321921051 · 300 VAN BRUNT STREETOpen ↗
12/06/2018322024741 · 5007 4 AVENUEOpen ↗
10/06/2017321665266 · 4011 7 AVENUEOpen ↗
Showing 3 of 9 on file for this type
▸BISADDITIONAL INFORMATION8
07/16/2019321094677 · 2450 EAST 11 STOpen ↗
03/29/2019321607999 · 300 VAN BRUNT STREETOpen ↗
07/14/2017321526684 · 4820 4 AVENUEOpen ↗
Showing 3 of 8 on file for this type
▸BISBOROUGH INTAKE FORM6
10/30/2019321094677 · 2450 EAST 11 STOpen ↗
09/26/2018321559808 · 4011 7 AVENUEOpen ↗
05/08/2018321665266 · 4011 7 AVENUEOpen ↗
Showing 3 of 6 on file for this type
▸Other Documents10
▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸BISPLOT DIAGRAM2
10/30/2019321094677 · 2450 EAST 11 STOpen ↗
Showing 1 of 2 on file for this type
▸BISCONSTRUCTION - SUPPORTING DOCUMENTATION1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISFEMA FORM (81-65): DRY FLOOD-PROOFING CERTIFICATE1
02/01/2019321921051 · 300 VAN BRUNT STREETOpen ↗
▸BISSITE CONNECTION:DEP1
10/30/2019321094677 · 2450 EAST 11 STOpen ↗
▸BISFEMA ELEVATION CERT (086-0-33)/ FLOODPROOFING CERT (086-0-34)1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWProperty Ownership Certification1
08/15/2026B00807690-I1 · 300 VAN BRUNT STREETOpen ↗