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Town of Northborough (MA)

Massachusetts Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

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

10TH EDITION OF THE MA STATE BUILDING CODE 780

2021 INTERNATIONAL BUILDING CODE W/780 CMR

2021 INTERNATIONAL RESIDENTIAL CODE W/780 CMR

2021 INTERNATIONAL EXISTING BUILDING CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL ENERGY CONSERVATION CODE

2021 INTERNATIONAL FIRE CODE

2023 NATIONAL ELECTRICAL CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

How Many Plansets Required
2
Revision Required
0
Rough Inspection
None
New Planset Required For Module Swap
0

Stamps

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

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
124
Wind Notes

Exposure Category B

Snow Load
50
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

Structural Calcs should NOT reference roof live loads. Documents should NOT reference the IBC

Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Meter Adapter,Load Side Taps,PV Breaker,Line Side Taps
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
1

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Include an elevation diagram of the house with panels on the roof. An example from an approved project is in the files below. The diagram must show to load bearing to load bearing from ridge on the horizontal span. We almost must show the degree of pitch.

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the Town of Northborough (MA) 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.