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City of Lafayette (CO)

Colorado Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code VersionNot Enforced
SolarAPP+ StatusTargeted
Wet Stamps RequiredDigital Structural
Fire Setback Enforced0

Codes

NEC Code Version
2023
Fire Code Version
Not Enforced
Code List

2021 INTERNATIONAL BUILDING CODE

2021 INTERNATIONAL EXISTING BUILDING CODE

2021 INTERNATIONAL FIRE CODE

2021 INTERNATIONAL ENERGY CONSERVATION CODE

2021 INTERNATIONAL FUEL GAS CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL PLUMBING CODE

2021 INTERNATIONAL PROPERTY MAINTENANCE CODE

2021 INTERNATIONAL RESIDENTIAL CODE

2021 INTERNATIONAL SWIMMING POOL AND SPA CODE

2023 LAFAYETTE COLORADO BUILDING CODE

2023 NATIONAL ELECTRIC CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Targeted
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
MPU,Derate
How Many Plansets Required
1
Revision Required
1
Rough Inspection
None
New Planset Required For Module Swap
0

Stamps

Wet Stamps Required
Digital Structural
Structural Calculations Required
Yes
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
0
Setback Notes

Standard

Structural & loads

Wind Speed
135
Wind Notes

Wind speed: 105 mph at 3 second gust, single family Risk Category 1 Vult = 120 mph Risk Category 2 Vult = 135 mph Risk Category 3, 4 Vult = 145 mph

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
PV Breaker,Meter Adapter,Line Side Taps,Load Side Taps
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.96

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Roof Plan

Show approximate location of roof access point

Electrical Diagram

One-line standard electrical diagram, site specific, which includes arrangement of panels on the roof or ground, north arrow, lot dimensions and distance from property lines to adjacent buildings/structures Specify grounding/bonding, conductor type and size, and number of conductors in each section of conduit.

Custom Placards Required
0

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Ground Mount Notes

Frost Depth is 36 inch

Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Lafayette (CO) 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.