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Entity
Guidehouse
Tenant · filed under 2 names
MANHATTAN · 4
1 building
4
Total Filings
4
Projects on File
1
Buildings Worked
0
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Not enough dated projects to chart.
Portfolio status
Browse projects →
Signed off4100%
By project type
Alteration4
Most active buildings
All buildings →
15 WEST 51 STREETMANHATTAN · latest 02/27/2025
4 projects
Key relationships
Everyone →
Design firms
3 projects
1 projects
Filing representatives
3 projects
Owners
3 projects
Filed under
Guidehouse3Guidehouse Company1
Identified by the contact ids of the people who file for the firm and by its email domain, not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01157219 ↗15 WEST 51 STREET
MANHATTAN
AlterationSigned-off01/24/202502/27/2025
Design COSENTINI ASSOCIATES
Contractor AGGRESSIVE FIRE PROT LLC
sprinkler modifications on floors 9-10 as per plans filed herewith. no changes in use, egress or occupancy.
M01157213 ↗15 WEST 51 STREET
MANHATTAN
AlterationSigned-off01/24/202502/21/2025
Design COSENTINI ASSOCIATES
Owner RXR SL OWNER LLC
Contractor PAR PLUMBING CO., INC
Filer RIZZO GROUP
plumbing modifications on floors 9-10 as per plans filed herewith. no changes in use, egress or occupancy.
M01157209 ↗15 WEST 51 STREET
MANHATTAN
AlterationSigned-off01/24/202501/28/2025
Design COSENTINI ASSOCIATES
Owner RXR SL OWNER LLC
Contractor CLUNE CONSTRUCTION CO LP
Filer RIZZO GROUP
mechanical modifications on floors 9-10 as per plans filed herewith. no changes in use, egress or occupancy.
M01157207 ↗15 WEST 51 STREET
MANHATTAN
AlterationSigned-off01/24/202501/27/2025
Design HED Architecture PLLC
Owner RXR SL OWNER LLC
Contractor CLUNE CONSTRUCTION CO LP
Filer RIZZO GROUP
general construction on floors 9-10 as per plans filed herewith. no changes in use, egress or occupancy.
Counts cover all 4 projects (4 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
COSENTINI ASSOCIATES305/20/2026
HED Architecture PLLC110/01/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CLUNE CONSTRUCTION CO LP210/28/2025
AGGRESSIVE FIRE PROT LLC105/20/2026
PAR PLUMBING CO., INC110/02/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RXR SL OWNER LLC310/28/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RIZZO GROUP310/28/2025
4 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 4Signed off 4
4 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01157219 ↗15 WEST 51 STREET
MANHATTAN
AlterationSigned-off01/24/202502/27/2025
Design COSENTINI ASSOCIATES
Contractor AGGRESSIVE FIRE PROT LLC
sprinkler modifications on floors 9-10 as per plans filed herewith. no changes in use, egress or occupancy.
M01157213 ↗15 WEST 51 STREET
MANHATTAN
AlterationSigned-off01/24/202502/21/2025
Design COSENTINI ASSOCIATES
Owner RXR SL OWNER LLC
Contractor PAR PLUMBING CO., INC
Filer RIZZO GROUP
plumbing modifications on floors 9-10 as per plans filed herewith. no changes in use, egress or occupancy.
M01157209 ↗15 WEST 51 STREET
MANHATTAN
AlterationSigned-off01/24/202501/28/2025
Design COSENTINI ASSOCIATES
Owner RXR SL OWNER LLC
Contractor CLUNE CONSTRUCTION CO LP
Filer RIZZO GROUP
mechanical modifications on floors 9-10 as per plans filed herewith. no changes in use, egress or occupancy.
M01157207 ↗15 WEST 51 STREET
MANHATTAN
AlterationSigned-off01/24/202501/27/2025
Design HED Architecture PLLC
Owner RXR SL OWNER LLC
Contractor CLUNE CONSTRUCTION CO LP
Filer RIZZO GROUP
general construction on floors 9-10 as per plans filed herewith. no changes in use, egress or occupancy.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
15 WEST 51 STREET ↗405/20/2026
▾Documents — 50 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/21/2026M01157207-P1 · 15 WEST 51 STREETRequest digital key ↗
08/21/2026M01157207-I1 · 15 WEST 51 STREETRequest digital key ↗
08/21/2026M01157213-P1 · 15 WEST 51 STREETRequest digital key ↗
Showing 3 of 9 on file for this type
▸Applications & Permits6
▸DOB NOWLPC Approval/Permit6
08/21/2026M01157209-I1 · 15 WEST 51 STREETOpen ↗
08/13/2026M01157207-I1 · 15 WEST 51 STREETOpen ↗
08/13/2026M01157213-P1 · 15 WEST 51 STREETOpen ↗
Showing 3 of 6 on file for this type
▸Seals & Professional Certifications21
▸DOB NOWDPL-1: Design Professional Seal & Signature8
08/21/2026M01157207-P1 · 15 WEST 51 STREETOpen ↗
08/21/2026M01157207-I1 · 15 WEST 51 STREETOpen ↗
08/21/2026M01157213-I1 · 15 WEST 51 STREETOpen ↗
Showing 3 of 8 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature8
09/24/2026M01157209-P1 · 15 WEST 51 STREETOpen ↗
09/24/2026M01157209-P1 · 15 WEST 51 STREETOpen ↗
08/27/2026M01157207-I1 · 15 WEST 51 STREETOpen ↗
Showing 3 of 8 on file for this type
▸DOB NOWProgress Inspector Seal & Signature5
09/24/2026M01157209-P1 · 15 WEST 51 STREETOpen ↗
08/27/2026M01157207-I1 · 15 WEST 51 STREETOpen ↗
08/27/2026M01157207-I1 · 15 WEST 51 STREETOpen ↗
Showing 3 of 5 on file for this type
▸Environmental & Asbestos8
▸DOB NOWDEP ACP-5: Asbestos Assessment Report8
08/21/2026M01157207-I1 · 15 WEST 51 STREETOpen ↗
08/21/2026M01157207-P1 · 15 WEST 51 STREETOpen ↗
08/21/2026M01157213-P1 · 15 WEST 51 STREETOpen ↗
Showing 3 of 8 on file for this type
▸Other Documents6
▸DOB NOWProof of Historic Building6
08/21/2026M01157209-I1 · 15 WEST 51 STREETOpen ↗
08/13/2026M01157209-P1 · 15 WEST 51 STREETOpen ↗
08/13/2026M01157207-P1 · 15 WEST 51 STREETOpen ↗
Showing 3 of 6 on file for this type