← Back
Entity
Koolkeeper
Tenant
1 project with open permitsBROOKLYN · 1
1 building
1
Total Filings
1
Projects on File
1
Buildings Worked
1
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Not enough dated projects to chart.
Portfolio status
Browse projects →
Open permit1100%
By project type
Alteration1
Most active buildings
All buildings →
3505 NOSTRAND AVENUEBROOKLYN · 1 open · latest 08/31/2026
1 projects
Key relationships
Everyone →
Design firms
Filing representatives
Contractors
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01271644 ↗3505 NOSTRAND AVENUE
BROOKLYN
AlterationPermit Issued08/27/202508/31/2026
Contractor UPSTRATE INC
CONSTRUCT ONE METAL OUTDOOR SHEDS AND INSTALL ONE OUTDOOR WALK IN COOLER SHED AS PER PLANS. NO CHANGE IN USE, EGRESS AND OCCUPANCY UNDER T…
Counts cover all 1 projects (1 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
KNF SERVICES CORP108/27/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
IP STATE BUILDER INC108/27/2025
UPSTRATE INC108/27/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
101 SERVICES INC108/27/2025
1 DOB NOW 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 1Open permit 1
1 project
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01271644 ↗3505 NOSTRAND AVENUE
BROOKLYN
AlterationPermit Issued08/27/202508/31/2026
Contractor UPSTRATE INC
CONSTRUCT ONE METAL OUTDOOR SHEDS AND INSTALL ONE OUTDOOR WALK IN COOLER SHED AS PER PLANS. NO CHANGE IN USE, EGRESS AND OCCUPANCY UNDER T…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
3505 NOSTRAND AVENUE ↗108/27/2025
▾Documents — 3 on file (BIS + DOB NOW)
▸Plans & Drawings2
▸DOB NOWPlans/Sketch2
09/01/2026B01271644-I1 · 3505 NOSTRAND AVENUEOpen ↗
▸Seals & Professional Certifications1
▸DOB NOWDPL-1: Design Professional Seal & Signature1
08/20/2026B01271644-I1 · 3505 NOSTRAND AVENUEOpen ↗