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Two family converted from one family
70 GUYON AVENUE
STATEN ISLAND · BIN 5062771
💬 Discuss this project
1945Year Built
2.5Stories
B3Building Class
R3-1Zoning
2,912 sfGross Floor Area
2Units
FDNY Report ↗
Two family converted from one family · 4,240 sf lot · 0.69 FAR built · Flood zone X
Locations of Work
ArchitectureMechanicalPlumbing
Floor 211p · 1 filing · 20 docs
Floor 18p · 1 filing · 20 docs
Cellar8p · 1 filing · 20 docs
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
ROYAL ENTERPRISE DEVELOPMENT IN2307/08/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
THINK DESIGN ARCHITECTURE803/06/2023
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
ORBIT MECHANICAL SOLUTIO*General Contractor407/08/2026
ROYAL ENTERPRISE AND DEVEGeneral Contractor303/21/2026
ORBIT PLBG & HTG INCPlumbing107/08/2026
▾Special Inspection Agencies
AgencyLicense #FilingsMost Recent
THINK DESIGN ARCHITECTURA683703/06/2023
Building Lifecycle
All (57)Filed (8)Permit Issued (4)Signed Off (3)Inspection (8)Objection (4)Special Inspection (30)
03/16/2023
Signed off — Alteration CO
APPLICATION IS FILLED FOR PLUMBING SCOPE IN RELATION TO CONVERSION FROM (1) ONE-FAMILY TO (2) TWO-FAMILY, EXISTING 2 STORY FRAME.
S00517416-I1
03/08/2023
Special inspection requirement — Fire-Resistance Rated Construction
Frank Martarella III
03/08/2023
Special inspection requirement — Permanent certificate
Frank Martarella III
03/08/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
Frank Martarella III
03/08/2023
Special inspection requirement — Subgrade Inspections
Frank Martarella III
03/08/2023
Special inspection requirement — HVAC-R and service water piping design and insulation
Frank Martarella III
03/08/2023
Special inspection requirement — Interior lighting power
Frank Martarella III
03/08/2023
Special inspection requirement — HVAC-R and service water heating system controls
Frank Martarella III
03/08/2023
Special inspection requirement — Fenestration areas
Frank Martarella III
03/08/2023
Special inspection requirement — Energy Code Compliance Inspections
Frank Martarella III
03/08/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
Frank Martarella III
03/08/2023
Special inspection requirement — Final
Frank Martarella III
03/08/2023
Special inspection requirement — HVAC-R and service water heating equipment
Frank Martarella III
03/08/2023
Special inspection requirement — Insulation placement and R values
Frank Martarella III
03/08/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
Frank Martarella III
03/08/2023
Special inspection requirement — Mechanical Systems
Frank Martarella III
03/08/2023
Special inspection requirement — Concrete - Cast-In-Place
Frank Martarella III
03/07/2023
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
03/06/2023
Filed — Alteration CO
APPLICATION IS FILLED FOR PLUMBING SCOPE IN RELATION TO CONVERSION FROM (1) ONE-FAMILY TO (2) TWO-FAMILY, EXISTING 2 STORY FRAME.
S00517416-P8
03/06/2023
Special inspection requirement — HVAC-R and service water heating system controls
Frank Martarella III
03/06/2023
Special inspection requirement — Fenestration areas
Frank Martarella III
03/06/2023
Special inspection requirement — HVAC-R and service water heating equipment
Frank Martarella III
03/06/2023
Special inspection requirement — Permanent certificate
Frank Martarella III
03/06/2023
Special inspection requirement — Energy Code Compliance Inspections
Frank Martarella III
03/06/2023
Special inspection requirement — Subgrade Inspections
Frank Martarella III
03/06/2023
Special inspection requirement — Final
Frank Martarella III
03/06/2023
Special inspection requirement — Mechanical Systems
Frank Martarella III
03/06/2023
Special inspection requirement — Structural Stability – Alterations of existing buildings
Frank Martarella III
03/06/2023
Special inspection requirement — Fire-Resistance Rated Construction
Frank Martarella III
03/06/2023
Special inspection requirement — Concrete - Cast-In-Place
Frank Martarella III
03/06/2023
Special inspection requirement — Fire-Resistant Penetrations and Joints
Frank Martarella III
03/06/2023
Special inspection requirement — Interior lighting power
Frank Martarella III
03/06/2023
Special inspection requirement — Fenestration and door U-factor and product ratings
Frank Martarella III
01/23/2023
Filed — Alteration CO
APPLICATION IS FILLED FOR PLUMBING SCOPE IN RELATION TO CONVERSION FROM (1) ONE-FAMILY TO (2) TWO-FAMILY, EXISTING 2 STORY FRAME.
S00517416-P7
12/13/2022
Signed off — Alteration CO
APPLICATION IS FILLED FOR PLUMBING SCOPE IN RELATION TO CONVERSION FROM (1) ONE-FAMILY TO (2) TWO-FAMILY, EXISTING 2 STORY FRAME.
S00517416-S2
12/12/2022
Inspection — Pass-Final Curb Cut Non-Directive 14
Pass
View inspection ↗
12/08/2022
Signed off — Alteration CO
APPLICATION IS FILLED FOR PLUMBING SCOPE IN RELATION TO CONVERSION FROM (1) ONE-FAMILY TO (2) TWO-FAMILY, EXISTING 2 STORY FRAME.
S00517416-S1
10/05/2022
Permit issued — Curb Cut
S00517416-S2-CC
09/07/2022
Objection resolved — Addressed
09/06/2022
Objection raised — Scope
08/16/2022
Permit issued — Mechanical Systems
S00517416-I1-GC-CX
08/03/2022
Filed — Alteration CO
APPLICATION IS FILLED FOR PLUMBING SCOPE IN RELATION TO CONVERSION FROM (1) ONE-FAMILY TO (2) TWO-FAMILY, EXISTING 2 STORY FRAME.
S00517416-P6
07/01/2022
Inspection — Pass-Final CND-Occupancy Inspection
Pass
View inspection ↗
06/29/2022
Inspection — Fail-Final CND-Occupancy Inspection
Fail
View inspection ↗
06/16/2022
Objection resolved — Addressed
06/13/2022
Objection raised — Scope
05/25/2022
Inspection — Certified Remove/Cap - work done in accordance with code
Certified
View inspection ↗
05/25/2022
Inspection — Certified Water and Sanitary-WS-Fixtures-Finish
Certified
View inspection ↗
05/20/2022
Filed — Alteration CO
APPLICATION IS FILLED FOR PLUMBING SCOPE IN RELATION TO CONVERSION FROM (1) ONE-FAMILY TO (2) TWO-FAMILY, EXISTING 2 STORY FRAME.
S00517416-P1
05/20/2022
Filed — Alteration CO
APPLICATION IS FILLED FOR PLUMBING SCOPE IN RELATION TO CONVERSION FROM (1) ONE-FAMILY TO (2) TWO-FAMILY, EXISTING 2 STORY FRAME.
S00517416-P3
12/03/2021
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Roughing
Certified
View inspection ↗
12/03/2021
Inspection — Certified Water and Sanitary-WS-Sanitary Piping-Underground
Certified
View inspection ↗
09/15/2021
Permit issued — General Construction
S00517416-I1-GC-CX
09/14/2021
Permit issued — Plumbing
S00517416-S1-PL
08/17/2021
Filed — Alteration CO
APPLICATION IS FILLED FOR PLUMBING SCOPE IN RELATION TO CONVERSION FROM (1) ONE-FAMILY TO (2) TWO-FAMILY, EXISTING 2 STORY FRAME.
S00517416-S1
07/26/2021
Filed — Alteration CO
APPLICATION IS FILLED FOR PLUMBING SCOPE IN RELATION TO CONVERSION FROM (1) ONE-FAMILY TO (2) TWO-FAMILY, EXISTING 2 STORY FRAME.
S00517416-S2
05/19/2021
Filed — Alteration CO
APPLICATION IS FILLED FOR PLUMBING SCOPE IN RELATION TO CONVERSION FROM (1) ONE-FAMILY TO (2) TWO-FAMILY, EXISTING 2 STORY FRAME.
S00517416-I1
Permit / Filing Register
SourceWork TypeStatusApplicantIssued
DOB NOWCurb CutSigned-offROYAL ENTERPRISE AND DEVE10/05/2022
DOB NOWMechanical SystemsPermit IssuedORBIT MECHANICAL SOLUTIO*08/16/2022
DOB NOWGeneral ConstructionPermit IssuedORBIT MECHANICAL SOLUTIO*09/15/2021
DOB NOWPlumbingSigned-offORBIT PLBG & HTG INC09/14/2021
BISOTISSUEDORBIT PLUMBING & HEATING INC11/08/2002
1 project · most recent 03/06/2023
Heating Systems
FiledStatusContractorScopeMake / Model / Capacity
03/06/2023Signed-offROYAL ENTERPRISE AND DEVEHeating Systems
Heating
A.O. Smith ENS-40 110 62,000 BTU · Boiler ×1
1 project · most recent 03/06/2023
Gas Water/Sanitary
FiledStatusContractorScope
03/06/2023Signed-offORBIT PLBG & HTG INCGas, Water/Sanitary
2 projects · most recent 01/09/2023
General Wiring
FiledStatusContractorScope
01/09/2023CompleteLENS ELECTRIC, INCGeneral Wiring
07/08/2022CompleteLENS ELECTRIC, INCGeneral Wiring
▾Field Inspections (DOB CAP) — 8
DateTypeResultReport
03/07/2023Pass-Final CND-Occupancy InspectionPassView ↗
12/12/2022Pass-Final Curb Cut Non-Directive 14PassView ↗
07/01/2022Pass-Final CND-Occupancy InspectionPassView ↗
06/29/2022Fail-Final CND-Occupancy InspectionFailView ↗
05/25/2022Certified Remove/Cap - work done in accordance with codeCertifiedView ↗
05/25/2022Certified Water and Sanitary-WS-Fixtures-FinishCertifiedView ↗
12/03/2021Certified Water and Sanitary-WS-Sanitary Piping-RoughingCertifiedView ↗
12/03/2021Certified Water and Sanitary-WS-Sanitary Piping-UndergroundCertifiedView ↗
▾Special Inspection Requirements (DOB NOW) — 87
DateRequirementInspectorRole
03/08/2023Mechanical SystemsFrank Martarella IIIspecial
03/08/2023Interior lighting powerFrank Martarella IIIenergy_progress
03/08/2023Permanent certificateFrank Martarella IIIenergy_progress
03/08/2023HVAC-R and service water heating system controlsFrank Martarella IIIenergy_progress
03/08/2023HVAC-R and service water heating equipmentFrank Martarella IIIenergy_progress
03/08/2023Insulation placement and R valuesFrank Martarella IIIenergy_progress
03/08/2023Fenestration areasFrank Martarella IIIenergy_progress
03/08/2023HVAC-R and service water piping design and insulationFrank Martarella IIIenergy_progress
03/08/2023Fenestration and door U-factor and product ratingsFrank Martarella IIIenergy_progress
03/08/2023FinalFrank Martarella IIIprogress
03/08/2023Fire-Resistance Rated ConstructionFrank Martarella IIIprogress
03/08/2023Energy Code Compliance InspectionsFrank Martarella IIIprogress
03/08/2023Fire-Resistant Penetrations and JointsFrank Martarella IIIspecial
03/08/2023Subgrade InspectionsFrank Martarella IIIspecial
03/08/2023Concrete - Cast-In-PlaceFrank Martarella IIIspecial
03/08/2023Structural Stability – Alterations of existing buildingsFrank Martarella IIIspecial
03/06/2023Concrete - Cast-In-PlaceFrank Martarella IIIspecial
03/06/2023HVAC-R and service water piping design and insulationFrank Martarella IIIenergy_progress
03/06/2023Insulation placement and R valuesFrank Martarella IIIenergy_progress
03/06/2023Fenestration and door U-factor and product ratingsFrank Martarella IIIenergy_progress
03/06/2023Permanent certificateFrank Martarella IIIenergy_progress
03/06/2023Fenestration areasFrank Martarella IIIenergy_progress
03/06/2023HVAC-R and service water heating system controlsFrank Martarella IIIenergy_progress
03/06/2023HVAC-R and service water heating equipmentFrank Martarella IIIenergy_progress
03/06/2023Interior lighting powerFrank Martarella IIIenergy_progress
Latest 25 of 87.
▾Documents — 65 on file (BIS + DOB NOW)
▸Plans & Drawings8
▸DOB NOWPlans/Sketch8
08/25/2026S00517416-S2Request digital key ↗
08/25/2026S00517416-P7Request digital key ↗
08/25/2026S00517416-P8Request digital key ↗
Showing 3 of 8 on file for this type
▸Zoning, Tax Lot & Property Records6
▸DOB NOWZoning Exhibit form (1-5)5
08/13/2026S00517416-P8Open ↗
08/13/2026S00517416-P6Open ↗
08/13/2026S00517416-I1Open ↗
Showing 3 of 5 on file for this type
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026S00517416-I1Open ↗
▸Seals & Professional Certifications41
▸DOB NOWProgress Inspector Seal & Signature17
09/27/2026S00517416-P3Open ↗
09/27/2026S00517416-P3Open ↗
09/23/2026S00517416-P6Open ↗
Showing 3 of 17 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature16
09/27/2026S00517416-P3Open ↗
09/23/2026S00517416-P6Open ↗
09/23/2026S00517416-P6Open ↗
Showing 3 of 16 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature8
08/25/2026S00517416-S2Open ↗
08/25/2026S00517416-P1Open ↗
08/25/2026S00517416-P3Open ↗
Showing 3 of 8 on file for this type
▸Environmental & Asbestos7
▸DOB NOWDEP ACP-5: Asbestos Assessment Report7
08/25/2026S00517416-P3Open ↗
08/25/2026S00517416-P7Open ↗
08/25/2026S00517416-P8Open ↗
Showing 3 of 7 on file for this type
▸Energy Compliance2
▸DOB NOWEN2: As Built Energy Analysis.2
08/13/2026S00517416-I1Open ↗
08/13/2026S00517416-S1Open ↗
▸Other Documents1
▸DOB NOWFinal Survey1
08/13/2026S00517416-I1Open ↗