Sign Regulations in Nampa, ID (2026)
1 verified sign regulations for Nampa, Idaho, sourced directly from the municipal code and official government pages.
Verified from official government sources
Digital Billboards
Digital billboards are allowed in Nampa's commercial, industrial, and other nonresidential zones, but LED billboard displays must hold each message for at least eight seconds and cap brightness at 7,000 nits by day and 2,500 nits at night.
Nampa Digital Billboard Sign Rules
Some RestrictionsNampa City Code § 10-23-18.F
The display of a changing LED type billboard sign shall remain static for at least eight seconds... Full color LED billboards featuring full color display shall not exceed 7,000 nits between 7:00 a.m. to 11:00 p.m. and 2,500 nits from 11:00 p.m. to 7:00 a.m.
Looking for Canyon County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Nampa city rules.
Sign Regulations in Canyon County →