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County of Washoe (NV)

Nevada 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

2024 International Building Code

2024 International Residential Code

2024 International Existing Building Code

2024 International Energy Conservation Code

2024 International Fuel Gas Code

2024 International Mechanical Code

2024 International Wildland-Urban Interface Code

2024 International Swimming Pool and Spa Code

2024 Uniform Plumbing Code

2023 National Electrical Code (“NEC First Print”)

2024 National Fire Protection Association ("NFPA")

2024 National Fire Protection Association ("NFPA")

2024 Northern Nevada Amendments 

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
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

Follow 2018 IFC with exceptions. Ensure setbacks comply with exceptions (>33% array area of roof area will require full 3-feet at ridge), Plan Checker will reject if not in compliance.

Structural & loads

Wind Speed
120
Wind Notes

Risk Category II & 2018 IRC

Ultimate Wind Speed Vult (mph): 120

Vasd Wind Speed 3-sec gust (mph): 93

Microsoft Word - 2018 NNICC Amendments Final Document 10-18-18.docx (reno.gov)

 

Snow Load
999
Snow Load Notes
  • Identify elevation of the site via https://whatismyelevation.com/
  • Next, identify correct ground snow load via https://www.washoecounty.gov/building/Files/Files/Ground%20Snow%20Loads%20Table.pdf
  • Identify which column the home is located in from the table referenced above
  • Enter the correct ground snow load into Relay CR in the Snow Load field
  • Add sistering notes from the discription below.

*Elevation 5,700, West of 395 requires a ground snow load of 111lb, and roof load of 77lb

Reducible Snow Load Allowed
0
Max Attachment Spacing
48
Structural Notes

Stamp Tech Instructions:

Must send "2018NNICCAmendments" linked at the bottom of this DB to the PE for refence on correct ROOF snow load.

To verify elevation of project address, please use https://asce7hazardtool.online/. Search the address and choose Risk Category II, then click on Wind & Snow and click on view results.

Structural letter must provide attachment spacing or lag screw embedment depth.


PE Instructions:

USE ASCE 7-16 for tables

ROOF snow load will be based on the elevation. Use the table attached to find the correct ROOF snow load.

Please include the required embedment depth of the lag screws used to attach the racking system to the roof in the structural letter/calcs


Manufactured housing is AHJ and they are requiring we have plans stamped by electrical engineers AND a letter stamped by electrical engineer stating the project has been reviewed

Minimum Ground On Roof
#10

Electrical

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

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

No published information about battery placement.

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements
  • Plans are not to contain any red clouding prior to the permit being submitted to the AHJ for review.

TO OBTAIN SEISMIC VALUE

  • Visit Seismic Maps.
  • Input the project address.
  • Obtain the SDS value.
  • Paste the SDS value into the Building Details
  • Seismic value on cover page shall reflect Category: D2
Cover Page


Cover Page Notes


Attachment Detail

Needs 4' spans in this AHJ due to high snow loads

Electrical Diagram

Centerfed 120% allowed

Label Page

Add 2017 Rapid Shutdown Placards (same placards Henderson, NV requires)

Custom Placards Required
1
Non Standard Revision Requirements

All resubmissions will need a resubmission letter explaining the changes, regardless of the nature of the change.

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Ground Mount Notes

Ground Mount setbacks

https://www.washoecounty.us/csd/planning_and_development/setbacks/index.php


Add the following notes to the site plan:

  • "Less than 50 cubic yards of grading required"
  • "Owner is responsible to perpetuate existing drainage"


Ground mount max height is to be shown in feet instead of inches


Include accurate location of septic and leach lines

Include a septic replacement area:

  • Match current septic and leach line dimensions
  • 20' from other leach lines
  • 20' from building foundations
  • 10' from property lines/easements
  • 10' from solar array

Include notes about using mesh or scrim to protect conductors per 2017 NEC 690.31 (A)


Ground Mount

staff - / .

Dwayne Smith - / 


Septic map, email request here:

Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the County of Washoe (NV) 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.