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County of Prince George's (MD)

Maryland Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2017
Fire Code Version2018 Building Code
SolarAPP+ StatusTesting
Wet Stamps RequiredDigital Structural,Digital Electrical
Fire Setback Enforced0

Codes

NEC Code Version
2017
Fire Code Version
2018 Building Code
Code List

SUB TITLE 4 PRINCE GEORGE'S COUNTY BUILDING CODES

2018 INTERNATIONAL BUILDING CODE

2018 INTERNATIONAL RESIDENTIAL CODE

2018 INTERNATIONAL MECHANICAL CODE

2018 INTERNATIONAL PLUMBING CODE

2018 INTERNATIONAL FUEL GAS CODE

2018 INTERNATIONAL ENERGY CONSERVATION CODE

2018 INTERNATIONAL EXISTING BUILDING CODE

2018 INTERNATIONAL SWIMMING POOL AND SPA CODE

2018 LIFE SAFETY CODE

2017 NFPA 70 NATIONAL ELECTRICAL CODE

SUBTITLE 9 PRINCE GEORGE’S COUNTY ELECTRICAL CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Testing
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
MPU,Derate
How Many Plansets Required
Other (See Submission Notes)
Revision Required
1
Rough Inspection
None
New Planset Required For Module Swap
0

Stamps

Ee Stamp Required On SLD
Yes
Wet Stamps Required
Digital Structural,Digital Electrical
Structural Calculations Required
Yes
Ee Stamp Notes
  • As of 04/2024, third-party inspection agencies now require the electrical diagram sheet to be stamped by an engineer. See Change Request #2403 for details.
Stamp Location On Plans
Top Right
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
0
Setback Notes

No fire setbacks enforced. - DB 3/27/2024

Structural & loads

Wind Speed
115
Wind Notes

Exposure Category B

Snow Load
35
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

Important AHJ Requirement

Minimum Ground On Roof
#8

Electrical

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


Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Site
  • AC Disconnect must be located in a readily accessible location.
Electrical Diagram
  • Line Side Taps only require one fused disconnect.
  • AHJ requires an MPU if service wires are replaced, and the panel is a hot or split bus.
  • Inverter must have the label “Smart Inverter or “Smart Inverter Compliant” stamped/written on it. (Effective 10/7/2024 per PEPCO’s new protocol)
Electrical Diagram Notes


Label Page
  • Meter sticker must say "Dual Power Source" or "Warning: Photovoltaic Power Source."
Custom Placards Required
0
Non Standard Revision Requirements


Ground mount

Ground Mount Fencing Required
Yes
Ground Mount Notes
  • or for setback requirements (varies by zone).
  • Ground mount (GM) must be located behind the main house.
  • Frost depth must be at least 30” from grade to the bottom of the footing.
  • Ground mount screw is acceptable if ICC Evaluation Service approves the type (must submit calculations). Otherwise, concrete footing is required.
  • AHJ checks solar array for uplift and gravity load.
  • Floodplain easement is required.
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the County of Prince George's (MD) 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.