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Town of Islip (NY)

New York Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

NEC Code Version
2023
Fire Code Version
2018 Building Code
Code List

2025 NEW YORK STATE BUILDING CODE

2025 NEW YORK STATE RESIDENTIAL CODE

2025 NEW YORK STATE FIRE CODE

2025 NEW YORK STATE ENERGY CONSERVATION CODE

2025 NEW YORK STATE EXISTING BUILDING CODE

2025 NEW YORK STATE FUEL GAS CODE

2025 NEW YORK STATE MECHANICAL CODE

2025 NEW YORK STATE PLUMBING CODE

2025 NEW YORK STATE ENERGY STANDARD FOR SITES AND BUILDINGS EXCEPT LOW-RISE RESIDENTIAL BUILDINGS

2023 NATIONAL ELECTRICAL CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Targeted
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
MPU,Derate
How Many Plansets Required
2
Revision Required
1
New Planset Required For Module Swap
1

Stamps

Ee Stamp Required On SLD
No
Wet Stamps Required
Digital Structural
Structural Calculations Required
Yes
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
130
Snow Load
30
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

Standard

Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Meter Adapter,Line Side Taps,PV Breaker,Load Side Taps
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.91

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

For Energy Storage Systems - Manufacturer specification sheets are required for all energy storage systems equipment. Floor plans showing equipment placement are also required to ensure compliance with the NYS

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Construction Documents must comply with the NYS Uniform Code (NYSRC or NYSBC, and NYSFC) in effect at the time of application ; the codes used must be referenced on the plans.


Plans must be stamped and signed by a NYS Registered Design Professional.


The Town of Islip, through adopting the Unified Solar Permitting process, requires contractors to provide construction documents, such as the examples included in the Understanding Solar PV Permitting and Inspecting in New York State document which can be found at www.nyserda.ny.gov/SolarGuidebook (http://www.nyserda.ny.gov/SolarGuidebook).

Roof Plan

For Roof Mounted Systems - The roof plan must show the roof layout, solar PV panels and the following:

* Proposed location of roof access point and access pathways

* Solar PV system fire classification

โ€ข Labeling and location of labels

* Type of roof covering and the number of roof coverings installed

* If there is more than 1 layer of roofing, the RDP is to approximate the remaining life of the roofing. The homeowner must provide a signed, notarized statement as follows: โ€œI hereby acknowledge the approximate ____ years of remaining life of the roofing shingles. I also acknowledge the Town of Islip recommends there be only a single layer of roofing under the solar panels.โ€

* Type of roof framing, size of members, and spacing.

* Weight of panels, support locations, and method of attachment.

* Framing plan and details for any work necessary to strengthen the existing roof structure.

* If the system is being mounted on the roof of an accessory structure, provide an electrical diagram for all new and/or existing equipment (i.e. Ex. Subpanels or New/Ex. overhead/underground wiring.)

Custom Placards Required
0

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Ground Mount Notes

For Ground Mounted Systems - A site plan or accurate survey showing the length and location of trenches, setbacks and screening. Anchorage and uplift attachments must also be shown.

Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the Town of Islip (NY) building department before you rely on this, and treat it as a research head start, not a ruling. Getting quotes? Run them through the quote checker first.