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Entity
Sierra
Tenant
3 projects with open permitsMANHATTAN · 3
1 building
3
Total Filings
3
Projects on File
1
Buildings Worked
3
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month3 projects all-time
0123Mar '26 · 2Jun '26 · 1Mar '26Apr '26May '26Jun '26
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Browse projects →
Open permit3100%
By project type
Alteration3
Most active buildings
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11 EAST 26 STREETMANHATTAN · 3 open · latest 08/18/2026
3 projects
Key relationships
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Design firms
3 projects
2 projects
1 projects
Filing representatives
2 projects
Owners
1 projects
1 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01410792 ↗11 EAST 26 STREET
MANHATTAN
AlterationPermit Issued06/30/202608/18/2026
Design Christopher Lyles, PE
Owner ROCKROSE
Contractor L&K PARTNERS, INC
Filer RIZZO GROUP
Sprinkler modifications taking place on the 6th fl as per plans filed herewith. no chnage in use, egress, or occupancy.
M01375934 ↗11 EAST 26 STREET
MANHATTAN
AlterationPermit Issued03/27/202608/03/2026
Design Christopher Lyles, PE
Contractor L&K PARTNERS, INC
MECHANICAL SYSTEMS MODIFICATION ON THE 6th FLOOR PER PLANS. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01375847 ↗11 EAST 26 STREET
MANHATTAN
AlterationPermit Issued03/27/202606/17/2026
Design Christopher Lyles, PE
Owner Rockrose Development Corp
Contractor L&K PARTNERS, INC
Filer RIZZO GROUP
Sprinkler Modifications on the 4 & 5th floors as per plans filed herewith. no change in use, egress or occupancy.
Counts cover all 3 projects (3 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
Christopher Lyles, PE307/06/2026
ASD/SKY207/06/2026
AMA CONSULTING ENGINEERS, PC107/06/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
L&K PARTNERS, INC307/06/2026
DEPENDABLE MECH CORP207/06/2026
DEPENDABLE MECHANICAL COR207/06/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
ROCKROSE107/06/2026
ROCKROSE DEVELOPMENT106/16/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RIZZO GROUP207/06/2026
3 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 3Open permit 3
3 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01410792 ↗11 EAST 26 STREET
MANHATTAN
AlterationPermit Issued06/30/202608/18/2026
Design Christopher Lyles, PE
Owner ROCKROSE
Contractor L&K PARTNERS, INC
Filer RIZZO GROUP
Sprinkler modifications taking place on the 6th fl as per plans filed herewith. no chnage in use, egress, or occupancy.
M01375934 ↗11 EAST 26 STREET
MANHATTAN
AlterationPermit Issued03/27/202608/03/2026
Design Christopher Lyles, PE
Contractor L&K PARTNERS, INC
MECHANICAL SYSTEMS MODIFICATION ON THE 6th FLOOR PER PLANS. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01375847 ↗11 EAST 26 STREET
MANHATTAN
AlterationPermit Issued03/27/202606/17/2026
Design Christopher Lyles, PE
Owner Rockrose Development Corp
Contractor L&K PARTNERS, INC
Filer RIZZO GROUP
Sprinkler Modifications on the 4 & 5th floors as per plans filed herewith. no change in use, egress or occupancy.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
11 EAST 26 STREET ↗307/06/2026
▾Documents — 54 on file (BIS + DOB NOW)
▸Plans & Drawings9
▸DOB NOWPlans/Sketch9
08/18/2026M01375934-I1 · 11 EAST 26 STREETRequest digital key ↗
08/18/2026M01375847-I1 · 11 EAST 26 STREETRequest digital key ↗
08/16/2026M01410792-S3 · 11 EAST 26 STREETRequest digital key ↗
Showing 3 of 9 on file for this type
▸Applications & Permits7
▸DOB NOWLPC Approval/Permit7
08/18/2026M01375934-I1 · 11 EAST 26 STREETOpen ↗
08/18/2026M01375847-I1 · 11 EAST 26 STREETOpen ↗
08/16/2026M01410792-I1 · 11 EAST 26 STREETOpen ↗
Showing 3 of 7 on file for this type
▸Seals & Professional Certifications29
▸DOB NOWProgress Inspector Seal & Signature10
09/01/2026M01375847-I1 · 11 EAST 26 STREETOpen ↗
09/01/2026M01375847-I1 · 11 EAST 26 STREETOpen ↗
08/28/2026M01375847-S1 · 11 EAST 26 STREETOpen ↗
Showing 3 of 10 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature10
09/29/2026M01410792-S3 · 11 EAST 26 STREETOpen ↗
09/29/2026M01410792-S3 · 11 EAST 26 STREETOpen ↗
09/29/2026M01410792-S3 · 11 EAST 26 STREETOpen ↗
Showing 3 of 10 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature9
08/18/2026M01375934-I1 · 11 EAST 26 STREETOpen ↗
08/18/2026M01375847-I1 · 11 EAST 26 STREETOpen ↗
08/16/2026M01410792-S3 · 11 EAST 26 STREETOpen ↗
Showing 3 of 9 on file for this type
▸Environmental & Asbestos9
▸DOB NOWDEP ACP-5: Asbestos Assessment Report9
08/18/2026M01375934-I1 · 11 EAST 26 STREETOpen ↗
08/16/2026M01410792-S3 · 11 EAST 26 STREETOpen ↗
08/16/2026M01410792-S2 · 11 EAST 26 STREETOpen ↗
Showing 3 of 9 on file for this type