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Design Firm
KEYOWNER ENGINEERING, P.C.
Design
5 projects with open permitsBRONX · 8BROOKLYN · 1QUEENS · 1
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9 buildings
23
Total Filings
11
Projects on File
9
Buildings Worked
5
Projects w/ Open Permits
Design
Role
Activity
Projects by first filing month11 projects all-time
0123Nov '19 · 1Jun '20 · 1Jan '21 · 2Dec '22 · 2Apr '23 · 1Apr '24 · 1Mar '25 · 1May '25 · 1Nov '25 · 1202020212022202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit545%
Signed off436%
Filed only218%
By project type
Alteration9
Alteration CO1
No Work1
Most active buildings
All buildings →
821 EAST 215 STREETBRONX · 2 open · latest 07/08/2025
3 projects
91 WALKER STREETMANHATTAN · latest 12/30/2019
1 projects
2075 CLINTON AVENUEBRONX · latest 12/20/2022
1 projects
1500 WESTCHESTER AVENUEBRONX · 1 open · latest 07/29/2025
1 projects
1490E SHORE DRIVEBRONX · latest 06/25/2025
1 projects
2239 CROTONA AVENUEBRONX · 1 open · latest 12/24/2020
1 projects
Key relationships
Everyone →
Design firms
1 projects
1 projects
Filing representatives
1 projects
1 projects
1 projects
People
All people →
KWAMI AVITYlatest 05/07/2026
13 filings
Filed under
KEYOWNER ENGINEERING, P.C.23
Identified by the contact ids of the people who file for the firm and by its email domain (keyownereng.com), not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01322929 ↗490 MAC DONOUGH STREET
BROOKLYN
AlterationPermit Issued11/25/202512/18/2025
Contractor PENINSULA CONSTRUCTION IN
Filer GRAND EXPEDITERS NYC
REMOVAL, RELOCATION, REPLACEMENT OF KITCHEN, BATHROOM, LAUNDRY FIXTURES THROUGHOUT THE CELLAR, BASEMENT, FIRST AND SECOND FLRS. NEW SUPPLY…
X01227740 ↗1500 WESTCHESTER AVENUE
BRONX
AlterationPermit Issued05/31/202507/29/2025
Contractor PM MECHANICAL GROUP CORP
FILING TO CONVERT EXIST. RETAIL (U.G. 6A) TO EATING AND DRINKING ESTABLISHMENT (U.G. 6A) AND LEGALIZE EXISTING HVAC UNIT ON THE ROOF AS PER …
X01017600 ↗821 EAST 215 STREET
BRONX
Alteration COPermit Issued04/06/202407/08/2025
Owner AVITYFAM CAPITAL, LLC
Contractor PM MECHANICAL GROUP CORP
FILING TO CONVERT FROM EXIST. 2-FAMILY DWELLING UNIT TO 3-FAMILY DWELLING UNIT AND HOME OCCUPATION AS PER PLANS. FILING TO SUPERSEDE JOB #X0…
X01190025 ↗1490E SHORE DRIVE
BRONX
AlterationSigned-off03/14/202506/25/2025
Contractor PM MECHANICAL GROUP CORP
REPAIR OF EXISTING STEEL STAIR 2ND FLOOR LANDING TO MID-THIRD FLOOR LANDING TO ADDRESS VIOLATION 39129160J
X00846807 ↗2 ST. ANN'S AVENUE
BRONX
AlterationFiled — no permit on record04/13/2023—
Owner FRESH DIRECT
Filer PEROTTO CONSULTING MGT
—
X00801060 ↗821 EAST 215 STREET
BRONX
AlterationPermit Issued12/18/202212/21/2022
Contractor KWAMI AVITY
REPAIR OF FLOOR JOISTS ON THIRD FLOOR (TOP FLOOR). SECOND FLOOR (MIDDLE FLOOR) AND THIRD FLOOR (TOP FLOOR) MUST BE VACANT DURING CONSTRUCTIO…
Counts cover all 11 projects (11 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
KWAMI AVITY1305/07/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
BO LEE ARCHITECT PC112/15/2025
CHONG ENGINEERING, P.C.112/15/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
PM MECHANICAL GROUP CORP305/08/2026
TRI CITY MECHANICAL GROUP205/08/2026
DIONISOS CONSTRUCTION101/18/2021
DK CONSTRUCTION ONE, CORP108/19/2020
HORACE FORREST PLBG&HTG I110/22/2025
I DO PLUMBING & HTG INC112/15/2025
IGUANA SERVICES INC108/14/2020
KEYOWNER ENGINEERING, P.C.112/18/2022
MHM CONSTRUCTION NYC INC101/26/2021
PENINSULA CONSTRUCTION IN112/15/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AVITYFAM CAPITAL, LLC205/08/2026
100 LAFAYETTE, LLC.108/14/2020
FRESH DIRECT104/13/2023
RAGNAROK MANAGING AGENCY, LLC.101/18/2021
ST. MARTIN OF TOURS CHURCH108/19/2020
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
GRAND EXPEDITERS NYC112/15/2025
PEROTTO CONSULTING MGT104/13/2023
RAGNAROK CONSULTANTS, LLC.101/18/2021
11 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 11Open permit 5Signed off 4Filed only 2
Any typeAlteration 9Alteration CO 1No Work 1
11 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
B01322929 ↗490 MAC DONOUGH STREET
BROOKLYN
AlterationPermit Issued11/25/202512/18/2025
Contractor PENINSULA CONSTRUCTION IN
Filer GRAND EXPEDITERS NYC
REMOVAL, RELOCATION, REPLACEMENT OF KITCHEN, BATHROOM, LAUNDRY FIXTURES THROUGHOUT THE CELLAR, BASEMENT, FIRST AND SECOND FLRS. NEW SUPPLY…
X01227740 ↗1500 WESTCHESTER AVENUE
BRONX
AlterationPermit Issued05/31/202507/29/2025
Contractor PM MECHANICAL GROUP CORP
FILING TO CONVERT EXIST. RETAIL (U.G. 6A) TO EATING AND DRINKING ESTABLISHMENT (U.G. 6A) AND LEGALIZE EXISTING HVAC UNIT ON THE ROOF AS PER …
X01017600 ↗821 EAST 215 STREET
BRONX
Alteration COPermit Issued04/06/202407/08/2025
Owner AVITYFAM CAPITAL, LLC
Contractor PM MECHANICAL GROUP CORP
FILING TO CONVERT FROM EXIST. 2-FAMILY DWELLING UNIT TO 3-FAMILY DWELLING UNIT AND HOME OCCUPATION AS PER PLANS. FILING TO SUPERSEDE JOB #X0…
X01190025 ↗1490E SHORE DRIVE
BRONX
AlterationSigned-off03/14/202506/25/2025
Contractor PM MECHANICAL GROUP CORP
REPAIR OF EXISTING STEEL STAIR 2ND FLOOR LANDING TO MID-THIRD FLOOR LANDING TO ADDRESS VIOLATION 39129160J
X00846807 ↗2 ST. ANN'S AVENUE
BRONX
AlterationFiled — no permit on record04/13/2023—
Owner FRESH DIRECT
Filer PEROTTO CONSULTING MGT
—
X00801060 ↗821 EAST 215 STREET
BRONX
AlterationPermit Issued12/18/202212/21/2022
Contractor KWAMI AVITY
REPAIR OF FLOOR JOISTS ON THIRD FLOOR (TOP FLOOR). SECOND FLOOR (MIDDLE FLOOR) AND THIRD FLOOR (TOP FLOOR) MUST BE VACANT DURING CONSTRUCTIO…
X00801747 ↗2075 CLINTON AVENUE
BRONX
No WorkFiled — no permit on record12/20/2022———
Q00455812 ↗37-23 JUNCTION BOULEVARD
QUEENS
AlterationSigned-off01/18/202105/03/2021
Owner RAGNAROK MANAGING AGENCY, LLC.
Contractor MATTHEW GERSTUNG
Filer RAGNAROK CONSULTANTS, LLC.
HEREBY FILING TO REPLACE 3 HVAC UNITS IN KIND ON THE ROOF AS PER PLANS . NO CHANGE IN USE, EGRESS, OR TYPE OF OCCUPANCY.
X00460520 ↗821 EAST 215 STREET
BRONX
AlterationSigned-off01/26/202102/09/2021
Owner AVITYFAM CAPITAL, LLC
Contractor MHM CONSTRUCTION NYC INC
THIS APPLICATION IS FILED TO REMOVE SOME INTERIOR PARTITIONS AND TO INSTALL A NEW ONE, REMOVE KITCHEN AND BATHTUB TO ADDRESS VIOLATIONS 3901…
X00352352 ↗2239 CROTONA AVENUE
BRONX
AlterationPermit Issued06/09/202012/24/2020
Owner ST. MARTIN OF TOURS CHURCH
Contractor DK CONSTRUCTION ONE, CORP
Filer AIDIN HOME IMPROVEMENT LLC
PROPOSED STRUCTURAL WORK AS SHOWN ON PLANS.
M00241901 ↗91 WALKER STREET
MANHATTAN
AlterationSigned-off11/04/201912/30/2019
Owner 100 LAFAYETTE, LLC.
Contractor IGUANA SERVICES INC
Filer RIP CC INC
Structural work for the removal of steel convenience stair and minor concrete work as per plan . There is no change to use, egress or occup…
Scope of Work
HVAC — 1 project · most recent 12/15/2025
Heating and Air Conditioning Systems
Sprinkler / Standpipe — 1 project · most recent 05/08/2026
Sprinkler System
Plumbing — 2 projects · most recent 05/08/2026
Gas Water/Sanitary Plumbing-Sprinkler
Structural — 3 projects · most recent 12/15/2025
Steel Wood Concrete
Earthwork — 1 project · most recent 12/15/2025
Tenant Protection Plan 72 Hour
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
821 EAST 215 STREET ↗905/07/2026
490 MAC DONOUGH STREET ↗112/15/2025
1490E SHORE DRIVE ↗103/04/2025
2 ST. ANN'S AVENUE ↗103/20/2023
37-23 JUNCTION BOULEVARD ↗101/18/2021
2239 CROTONA AVENUE ↗208/19/2020
91 WALKER STREET ↗205/18/2020
1500 WESTCHESTER AVENUE ↗5—
2075 CLINTON AVENUE ↗1—
▾Documents — 161 on file (BIS + DOB NOW)
▸Plans & Drawings29
▸DOB NOWPlans/Sketch21
08/23/2026X00801060-I1 · 821 EAST 215 STREETRequest digital key ↗
08/23/2026X00846807-I1 · 2 ST. ANN'S AVENUERequest digital key ↗
08/20/2026X01190025-I1 · 1490E SHORE DRIVERequest digital key ↗
Showing 3 of 21 on file for this type
▸DOB NOWPlans/Sketch - Structural4
09/04/2026M00241901-I1 · 91 WALKER STREETRequest digital key ↗
09/04/2026M00241901-P1 · 91 WALKER STREETRequest digital key ↗
08/26/2026X00352352-I1 · 2239 CROTONA AVENUERequest digital key ↗
Showing 3 of 4 on file for this type
▸DOB NOWPlans/Sketch - Place of Assembly2
08/23/2026X00801747-I1 · 2075 CLINTON AVENUERequest digital key ↗
09/01/2026X00801747-I1 · 2075 CLINTON AVENUEOpen ↗
▸DOB NOWPlans/Sketch - Mechanical Systems1
08/27/2026Q00455812-I1 · 37-23 JUNCTION BOULEVARDRequest digital key ↗
▸DOB NOWPlans/Sketch - General Construction1
08/25/2026X00460520-I1 · 821 EAST 215 STREETRequest digital key ↗
▸Applications & Permits2
▸DOB NOWLPC Approval/Permit2
09/04/2026M00241901-I1 · 91 WALKER STREETOpen ↗
09/04/2026M00241901-P1 · 91 WALKER STREETOpen ↗
▸Seals & Professional Certifications105
▸DOB NOWProgress Inspector Seal & Signature47
09/23/2026B01322929-S5 · 490 MAC DONOUGH STREETOpen ↗
09/02/2026X01017600-P2 · 821 EAST 215 STREETOpen ↗
09/02/2026X01017600-P2 · 821 EAST 215 STREETOpen ↗
Showing 3 of 47 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature33
09/23/2026B01322929-S5 · 490 MAC DONOUGH STREETOpen ↗
09/23/2026B01322929-S5 · 490 MAC DONOUGH STREETOpen ↗
09/02/2026X01017600-P2 · 821 EAST 215 STREETOpen ↗
Showing 3 of 33 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature25
09/04/2026M00241901-I1 · 91 WALKER STREETOpen ↗
09/04/2026M00241901-P1 · 91 WALKER STREETOpen ↗
08/27/2026Q00455812-I1 · 37-23 JUNCTION BOULEVARDOpen ↗
Showing 3 of 25 on file for this type
▸Safety & Tenant Protection4
▸DOB NOWStreet Tree Checklist4
09/01/2026X01017600-I1 · 821 EAST 215 STREETOpen ↗
Showing 1 of 4 on file for this type
▸Environmental & Asbestos12
▸DOB NOWDEP ACP-5: Asbestos Assessment Report12
09/04/2026M00241901-P1 · 91 WALKER STREETOpen ↗
09/04/2026M00241901-I1 · 91 WALKER STREETOpen ↗
08/13/2026X00460520-I1 · 821 EAST 215 STREETOpen ↗
Showing 3 of 12 on file for this type
▸Energy Compliance1
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026Q00455812-I1 · 37-23 JUNCTION BOULEVARDOpen ↗
▸Inspections & Test Reports1
▸DOB NOWGeotechnical Report (BC 1803.6)1
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-offs3
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter3
08/23/2026X00801747-I1 · 2075 CLINTON AVENUEOpen ↗
08/13/2026X00352352-P1 · 2239 CROTONA AVENUEOpen ↗
08/13/2026X00352352-I1 · 2239 CROTONA AVENUEOpen ↗
▸Other Documents4
▸DOB NOWProperty Ownership Certification3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸DOB NOWAlternate Plan 11
08/23/2026X00801747-I1 · 2075 CLINTON AVENUEOpen ↗