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Contractor
T F O'BRIEN AND CO INC
General Contractor
4 projects with open permitsQUEENS · 22BROOKLYN · 12MANHATTAN · 2
34 buildings
13
Total Filings
37
Projects on File
9
Buildings Worked
4
Projects w/ Open Permits
General Contractor
Primary Trade
Activity
Projects by first filing month37 projects all-time
0123Apr '99 · 1May '99 · 1Sep '03 · 1Apr '04 · 1May '04 · 1Nov '04 · 1Apr '05 · 1Jun '06 · 1Nov '06 · 1Jun '07 · 1Jul '08 · 1Apr '09 · 2Mar '10 · 2Apr '10 · 1Mar '13 · 1Jul '13 · 1Jan '15 · 1Jul '15 · 1Jan '16 · 2Aug '16 · 1Oct '17 · 1Mar '18 · 2Aug '18 · 1Mar '20 · 1Jan '21 · 1Feb '21 · 1Dec '22 · 1Jan '23 · 1Jul '25 · 1Sep '25 · 1Mar '26 · 1Jul '26 · 2200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit411%
Signed off616%
Other status2773%
By project type
Alteration10
Most active buildings
All buildings →
1252 BEDFORD AVENUEBROOKLYN · latest 10/06/2004
2 projects
226-02 MERRICK BOULEVARDQUEENS · latest 04/06/2026
2 projects
132-07 14 AVENUEQUEENS · latest 03/27/2023
2 projects
36 WEST 44 STREETMANHATTAN · latest 03/08/2010
1 projects
768 5 AVENUEMANHATTAN · 1 open · latest 01/29/2021
1 projects
1044 WASHINGTON AVENUEBRONX · latest 11/03/2004
1 projects
Key relationships
Everyone →
Filing representatives
Contractors
Owners
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q01358925 ↗10-18 BEACH 20 STREET
QUEENS
AlterationPermit Issued07/29/202608/20/2026INSTALL HVAC SPLIT SYSTEM FOR COMMERCIAL SPACE AS PER PLANS. NO CHANGE IN USE, OCCUPANCY OR EGRESS
B01391385 ↗30 8 AVENUE
BROOKLYN
AlterationPermit Issued07/13/202607/13/2026REPLACE (2) HVAC SPLIT SYSTEM AND (1) ROOFTOP HVAC UNIT AS PER PLANS. NO CHANGE IN USE, OCCUPANCY, OR EGRESS.
Q01329504 ↗226-02 MERRICK BOULEVARD
QUEENS
AlterationSigned-off03/20/202604/06/2026INSTALL SPLIT HVAC SYSTEM.
B01260565 ↗612 11 STREET
BROOKLYN
AlterationSigned-off09/12/202509/17/2025INSTALL NEW HVAC ROOFTOP UNIT AS PER PLANS. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
Q01253193 ↗105-15 180 STREET
QUEENS
AlterationPermit Issued07/16/202507/21/2025REPLACE TWO SPLIT AC UNITS
420831513BIS132-07 14 AVENUE
QUEENS
—ISSUED07/23/201303/27/2023—EQ, OT, PL
Counts cover all 37 projects (10 DOB NOW + 27 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
NEW YORK ENGINEERING ASSOC., P.C.703/20/2026
NEW AGE ENGINEERING PLLC307/29/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
HEPCO HTG & PLBG INC107/16/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
DORF ASSOCIATES107/16/2025
MAPLACE LLC102/11/2021
RADSON DEVELOPMENT107/29/2026
THALIA SPANISH THEATRE102/14/2023
TRINITY CHURCH/LOCUST MANOR103/24/2020
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
NEW YORK ENGINEERING403/20/2026
10 DOB NOW projects + 27 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 37Open permit 4Signed off 6Other status 27
37 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
Q01358925 ↗10-18 BEACH 20 STREET
QUEENS
AlterationPermit Issued07/29/202608/20/2026INSTALL HVAC SPLIT SYSTEM FOR COMMERCIAL SPACE AS PER PLANS. NO CHANGE IN USE, OCCUPANCY OR EGRESS
B01391385 ↗30 8 AVENUE
BROOKLYN
AlterationPermit Issued07/13/202607/13/2026REPLACE (2) HVAC SPLIT SYSTEM AND (1) ROOFTOP HVAC UNIT AS PER PLANS. NO CHANGE IN USE, OCCUPANCY, OR EGRESS.
Q01329504 ↗226-02 MERRICK BOULEVARD
QUEENS
AlterationSigned-off03/20/202604/06/2026INSTALL SPLIT HVAC SYSTEM.
B01260565 ↗612 11 STREET
BROOKLYN
AlterationSigned-off09/12/202509/17/2025INSTALL NEW HVAC ROOFTOP UNIT AS PER PLANS. NO CHANGE TO USE, OCCUPANCY OR EGRESS.
Q01253193 ↗105-15 180 STREET
QUEENS
AlterationPermit Issued07/16/202507/21/2025REPLACE TWO SPLIT AC UNITS
420831513BIS132-07 14 AVENUE
QUEENS
—ISSUED07/23/201303/27/2023—EQ, OT, PL
Q07997235 ↗226-02 MERRICK BOULEVARD
QUEENS
AlterationSigned-off01/23/202301/31/2023REPLACE TWO SPLIT AC SYSTEMS.
Q08020774 ↗41-07 GREENPOINT AVENUE
QUEENS
AlterationSigned-off12/10/202212/20/2022REPLACE 7.5 TON SPLIT HVAC SYSTEM
421569993BIS69-53 HARROW STREET
QUEENS
—ISSUED10/25/201704/13/2022—MH, PL
Q00435739 ↗65-34 MYRTLE AVENUE
QUEENS
AlterationSigned-off02/11/202102/17/2021REPLACE AIR CONDITIONING UNIT
M00442543 ↗768 5 AVENUE
MANHATTAN
AlterationPermit Issued01/29/202101/29/2021REPLACE AIR CONDITIONING UNITS
Q00335289 ↗172-61 BAISLEY BOULEVARD
QUEENS
AlterationSigned-off03/24/202010/05/2020REGISTER (2) HVAC UNITS
440500539BIS901 CROSS BAY BOULEVARD
QUEENS
—ISSUED08/08/201808/08/2018—MH
440471188BIS85-25 68 ROAD
QUEENS
—ISSUED03/20/201803/20/2018—MH
440471302BIS259-10 HILLSIDE AVENUE
QUEENS
—ISSUED03/20/201803/20/2018—MH
420859725BIS132-07 14 AVENUE
QUEENS
—ISSUED08/22/201608/14/2017—MH
321265714BIS2314 86 STREET
BROOKLYN
—ISSUED01/29/201601/29/2016—MH
440273623BIS103-05 103 AVENUE
QUEENS
—ISSUED01/27/201601/27/2016—MH
321118116BIS314 SCHOLES STREET
BROOKLYN
—ISSUED07/22/201509/22/2015—MH, PL
340215813BIS2204 FLATBUSH AVENUE
BROOKLYN
—ISSUED01/06/201501/06/2015—MH
440053399BIS198-10 JAMAICA AVENUE
QUEENS
—ISSUED03/13/201303/14/2013—MH, PL
420167839BIS87-03 JAMAICA AVENUE
QUEENS
—ISSUED04/23/201004/23/2010—MH
420110980BIS117-19 SPRINGFIELD BLVD
QUEENS
—ISSUED03/29/201003/29/2010—MH
120286252BIS36 WEST 44 STREET
MANHATTAN
—ISSUED03/08/201003/08/2010—MH
420007147BIS197-25 LINDEN BOULEVARD
QUEENS
—ISSUED04/27/200904/27/2009—OT
310304131BIS175 REMSEN AVENUE
BROOKLYN
—ISSUED04/17/200904/17/2009—OT
410117243BIS102-28 JAMAICA AVENUE
QUEENS
—ISSUED07/29/200807/29/2008—MH
402599256BIS98-27 101 STREET
QUEENS
—RE-ISSUED06/04/200706/04/2007—MH
402392157BIS167-01 HILLSIDE AVENUE
QUEENS
—ISSUED11/17/200611/17/2006—MH
302144169BIS175 REMSEN STREET
BROOKLYN
—ISSUED06/05/200606/05/2006—OT
402115812BIS147-01 UNION TURNPIKE
QUEENS
—ISSUED04/20/200504/20/2005—MH
200914476BIS1044 WASHINGTON AVENUE
BRONX
—ISSUED11/03/200411/03/2004—MH
301769012BIS1252 BEDFORD AVENUE
BROOKLYN
—ISSUED05/18/200410/06/2004—OT, PL
301769021BIS1325 HERKIMER STREET
BROOKLYN
—ISSUED04/20/200404/20/2004—OT
301628139BIS2502 NEPTUNE AVENUE
BROOKLYN
—ISSUED09/10/200309/10/2003—MH
300857071BIS429 80 STREET
BROOKLYN
—ISSUED05/17/199905/17/1999—CC
300835933BIS1252 BEDFORD AVENUE
BROOKLYN
—ISSUED04/02/199904/02/1999—OT
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
30 8 AVENUE ↗108/26/2026
10-18 BEACH 20 STREET ↗108/21/2026
172-61 BAISLEY BOULEVARD ↗107/08/2026
768 5 AVENUE ↗107/08/2026
612 11 STREET ↗107/08/2026
226-02 MERRICK BOULEVARD ↗304/09/2026
41-07 GREENPOINT AVENUE ↗203/21/2026
65-34 MYRTLE AVENUE ↗203/21/2026
105-15 180 STREET ↗103/21/2026
▾Documents — 516 on file (BIS + DOB NOW)
▸Plans & Drawings12
▸DOB NOWPlans/Sketch9
Showing 3 of 9 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems3
▸Applications & Permits92
▸BISPLAN / WORK APPROVAL APPLICATION56
10/15/2025420831513 · 132-07 14 AVENUEOpen ↗
09/25/2025420831513 · 132-07 14 AVENUEOpen ↗
04/18/2025420831513 · 132-07 14 AVENUEOpen ↗
Showing 3 of 56 on file for this type
▸BISWORK PERMIT APPLICATION33
04/11/2023420831513 · 132-07 14 AVENUEOpen ↗
08/07/2018440500539 · 901 CROSS BAY BOULEVARDOpen ↗
09/07/2017420859725 · 132-07 14 AVENUEOpen ↗
Showing 3 of 33 on file for this type
▸DOB NOWLPC Approval/Permit3
08/16/2026B01391385-I1 · 30 8 AVENUEOpen ↗
08/13/2026B01260565-I1 · 612 11 STREETOpen ↗
08/13/2026M00442543-I1 · 768 5 AVENUEOpen ↗
▸Zoning, Tax Lot & Property Records1
▸BISFLOOD ZONE DESIGN CERTIFICATION1
08/07/2018440500539 · 901 CROSS BAY BOULEVARDOpen ↗
▸Seals & Professional Certifications142
▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION43
06/08/2019440500539 · 901 CROSS BAY BOULEVARDOpen ↗
07/12/2018440471302 · 259-10 HILLSIDE AVENUEOpen ↗
06/19/2018440471188 · 85-25 68 ROADOpen ↗
Showing 3 of 43 on file for this type
▸DOB NOWProgress Inspector Seal & Signature37
09/23/2026Q01253193-I1 · 105-15 180 STREETOpen ↗
09/23/2026Q01253193-I1 · 105-15 180 STREETOpen ↗
09/23/2026Q01253193-I1 · 105-15 180 STREETOpen ↗
Showing 3 of 37 on file for this type
▸BISPROFESSIONAL CERTIFIED CHECKLIST13
05/25/2018440471302 · 259-10 HILLSIDE AVENUEOpen ↗
05/25/2018440471188 · 85-25 68 ROADOpen ↗
01/07/2016321265714 · 2314 86 STREETOpen ↗
Showing 3 of 13 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature12
09/04/2026M00442543-I1 · 768 5 AVENUEOpen ↗
08/28/2026Q00335289-I1 · 172-61 BAISLEY BOULEVARDOpen ↗
08/27/2026Q00435739-I1 · 65-34 MYRTLE AVENUEOpen ↗
Showing 3 of 12 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature12
09/23/2026Q01253193-I1 · 105-15 180 STREETOpen ↗
09/23/2026Q01329504-I1 · 226-02 MERRICK BOULEVARDOpen ↗
09/01/2026Q01358925-I1 · 10-18 BEACH 20 STREETOpen ↗
Showing 3 of 12 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT9
06/19/2015321118116 · 314 SCHOLES STREETOpen ↗
12/15/2014340215813 · 2204 FLATBUSH AVENUEOpen ↗
Showing 2 of 9 on file for this type
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM4
03/09/2010120286252 · 36 WEST 44 STREETOpen ↗
04/03/2009310304131 · 175 REMSEN AVENUEOpen ↗
05/29/2008410117243 · 102-28 JAMAICA AVENUEOpen ↗
Showing 3 of 4 on file for this type
▸Trade Schedules & Equipment67
▸BISEQUIPMENT USE APPLICATION/PERMIT30
01/25/2023421569993 · 69-53 HARROW STREETOpen ↗
01/06/2023421569993 · 69-53 HARROW STREETOpen ↗
12/29/2022421569993 · 69-53 HARROW STREETOpen ↗
Showing 3 of 30 on file for this type
▸BISEQUIPMENT USE PERMITS21
03/15/2023421569993 · 69-53 HARROW STREETOpen ↗
01/25/2023421569993 · 69-53 HARROW STREETOpen ↗
01/06/2023421569993 · 69-53 HARROW STREETOpen ↗
Showing 3 of 21 on file for this type
▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸BISSCHEDULE B - PLUMBING4
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 4 on file for this type
▸BISSELF-CERT PLUMBING NOTICE4
07/23/2013440053399 · 198-10 JAMAICA AVENUEOpen ↗
Showing 1 of 4 on file for this type
▸BISHVAC & SERVICE WATER HEATING SYSTEM CONTROLS1
12/29/2022421569993 · 69-53 HARROW STREETOpen ↗
▸BISHVAC & SERVICE WATER HEATING EQUIPMENT1
12/29/2022421569993 · 69-53 HARROW STREETOpen ↗
▸Safety & Tenant Protection7
▸BISSTREET TREE CHECKLIST3
04/17/2009420007147 · 197-25 LINDEN BOULEVARDOpen ↗
Showing 1 of 3 on file for this type
▸BISTENANT PROTECTION PLAN AND NOTES3
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 3 on file for this type
▸DOB NOWTenant Protection Plan1
08/13/2026Q00435739-I1 · 65-34 MYRTLE AVENUEOpen ↗
▸Environmental & Asbestos20
▸BISASBESTOS: CERTIFICATION (DEP ACP5)6
12/15/2014340215813 · 2204 FLATBUSH AVENUEOpen ↗
Showing 1 of 6 on file for this type
▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'5
03/31/2010420167839 · 87-03 JAMAICA AVENUEOpen ↗
03/09/2010120286252 · 36 WEST 44 STREETOpen ↗
12/02/2009420110980 · 117-19 SPRINGFIELD BLVDOpen ↗
Showing 3 of 5 on file for this type
▸DOB NOWDEP ACP-5: Asbestos Assessment Report5
08/27/2026Q00435739-I1 · 65-34 MYRTLE AVENUEOpen ↗
08/25/2026Q07997235-I1 · 226-02 MERRICK BOULEVARDOpen ↗
08/20/2026B01260565-I1 · 612 11 STREETOpen ↗
Showing 3 of 5 on file for this type
▸BISACP5 ASBESTOS: CERTIFICATION (DEP ACP5)1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸BISASBESTOS EXEMPTION CERTIFICATION LETTER1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWOER: Notice to Proceed1
08/13/2026Q08020774-I1 · 41-07 GREENPOINT AVENUEOpen ↗
▸DOB NOWOER: Notice of Satisfaction1
08/13/2026Q08020774-I1 · 41-07 GREENPOINT AVENUEOpen ↗
▸Energy Compliance39
▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS17
06/08/2019440500539 · 901 CROSS BAY BOULEVARDOpen ↗
07/12/2018440471302 · 259-10 HILLSIDE AVENUEOpen ↗
06/19/2018440471188 · 85-25 68 ROADOpen ↗
Showing 3 of 17 on file for this type
▸BISAS-BUILT ENERGY ANALYSIS9
06/08/2019440500539 · 901 CROSS BAY BOULEVARDOpen ↗
07/12/2018440471302 · 259-10 HILLSIDE AVENUEOpen ↗
06/19/2018440471188 · 85-25 68 ROADOpen ↗
Showing 3 of 9 on file for this type
▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY FOR ENERGY CODE PROGRESS INSPECTIONS6
08/07/2018440500539 · 901 CROSS BAY BOULEVARDOpen ↗
Showing 1 of 6 on file for this type
▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY2
08/07/2018440500539 · 901 CROSS BAY BOULEVARDOpen ↗
12/15/2014340215813 · 2204 FLATBUSH AVENUEOpen ↗
▸BISAS-BUILT ENERGY ANALYSIS (EN2)1
12/29/2022421569993 · 69-53 HARROW STREETOpen ↗
▸BIS* HVAC INSULATION AND SEALING1
12/29/2022421569993 · 69-53 HARROW STREETOpen ↗
▸BISTR8: Energy Code Progress Inspections1
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸DOB NOWPreliminary Commissioning Report Certification1
08/13/2026Q00335289-I1 · 172-61 BAISLEY BOULEVARDOpen ↗
▸DOB NOWEN2: As Built Energy Analysis.1
08/13/2026Q00435739-I1 · 65-34 MYRTLE AVENUEOpen ↗
▸Inspections & Test Reports9
▸BISTECHNICAL REPORT: RESPONSIBILITY4
12/29/2022421569993 · 69-53 HARROW STREETOpen ↗
Showing 1 of 4 on file for this type
▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER2
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
▸BISMECHANICAL SYSTEMS1
12/29/2022421569993 · 69-53 HARROW STREETOpen ↗
▸BISTECHNICAL REPORT: EXT. WALLS & APPURTS1
01/07/2016321265714 · 2314 86 STREETOpen ↗
▸Approvals, Objections & Sign-offs42
▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST23
01/10/2023421569993 · 69-53 HARROW STREETOpen ↗
06/08/2019440500539 · 901 CROSS BAY BOULEVARDOpen ↗
06/08/2019440500539 · 901 CROSS BAY BOULEVARDOpen ↗
Showing 3 of 23 on file for this type
▸BISADMINISTRATIVE OBJECTIONS8
03/31/2010420167839 · 87-03 JAMAICA AVENUEOpen ↗
04/17/2009420007147 · 197-25 LINDEN BOULEVARDOpen ↗
Showing 2 of 8 on file for this type
▸BISLETTERS - SUPPORTING DOCUMENTATION6
07/18/2013440053399 · 198-10 JAMAICA AVENUEOpen ↗
02/17/2012420110980 · 117-19 SPRINGFIELD BLVDOpen ↗
10/27/2010120286252 · 36 WEST 44 STREETOpen ↗
Showing 3 of 6 on file for this type
▸BISSUPERSEDING LETTER2
12/29/2017420859725 · 132-07 14 AVENUEOpen ↗
09/07/2017420859725 · 132-07 14 AVENUEOpen ↗
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter2
08/16/2026Q01358925-I1 · 10-18 BEACH 20 STREETOpen ↗
08/13/2026Q00335289-I1 · 172-61 BAISLEY BOULEVARDOpen ↗
▸BISFINAL1
12/29/2022421569993 · 69-53 HARROW STREETOpen ↗
▸Cost, Insurance & Ownership36
▸BISCOST AFFIDAVIT35
06/08/2019440500539 · 901 CROSS BAY BOULEVARDOpen ↗
08/07/2018440500539 · 901 CROSS BAY BOULEVARDOpen ↗
07/12/2018440471302 · 259-10 HILLSIDE AVENUEOpen ↗
Showing 3 of 35 on file for this type
▸BISCOST AFFIDAVIT (FINAL): PW31
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 1 on file for this type
▸Filing & Intake Forms46
▸BISADDITIONAL INFORMATION18
06/22/2022420831513 · 132-07 14 AVENUEOpen ↗
06/10/2019440500539 · 901 CROSS BAY BOULEVARDOpen ↗
06/10/2019440500539 · 901 CROSS BAY BOULEVARDOpen ↗
Showing 3 of 18 on file for this type
▸BISBOROUGH INTAKE FORM11
04/11/2023420831513 · 132-07 14 AVENUEOpen ↗
03/21/2020301769021 · 1325 HERKIMER STREETOpen ↗
08/15/2018420831513 · 132-07 14 AVENUEOpen ↗
Showing 3 of 11 on file for this type
▸BISEFILING COVER SHEET11
03/31/2010420167839 · 87-03 JAMAICA AVENUEOpen ↗
04/17/2009420007147 · 197-25 LINDEN BOULEVARDOpen ↗
04/03/2009310304131 · 175 REMSEN AVENUEOpen ↗
Showing 3 of 11 on file for this type
▸BISEFILING JOB APPLICATION COVER SHEET6
On file, but not among the 200 most recently loaded documents for this source.
Showing 0 of 6 on file for this type
▸Other Documents3
▸BISMAINTENANCE INFORMATION1
12/29/2022421569993 · 69-53 HARROW STREETOpen ↗
▸BISUnknown1
07/23/2009310304131 · 175 REMSEN AVENUEOpen ↗
▸BISACCESSIBILITY WAIVER (PEO1)1
08/01/2019420831513 · 132-07 14 AVENUEOpen ↗