Sign Regulations in Olathe, KS (2026)
4 verified sign regulations for Olathe, Kansas, sourced directly from the municipal code and official government pages.
Verified from official government sources
Political Signs
Olathe caps yard signs, including election signs, at two per lot in AG, R-1 and R-2 districts, each no larger than six square feet per face and six feet tall.
Olathe Political Yard Sign Limits
Some RestrictionsOlathe Unified Development Ordinance § 18.50.190.O.2.a, .O.2.a(1)
In addition to other signs permitted by this chapter, in Districts AG and R-1 and R-2, a maximum of two (2) temporary signs may be displayed at any time. (1) These signs must be yard signs and the total surface area of each sign face must not exceed six (6) square feet per face and six (6) feet in height. A maximum of two (2) sign faces are permitted for each yard sign. ...
Garage Sale Signs
Olathe caps garage-sale signs at four square feet with up to two faces, allows them only at the site of the sale, and requires no sign permit, under the UDO's temporary-sign rules for the AG, R-1, and R-2 districts.
Garage Sale Sign Rules in Olathe
Light RestrictionsOlathe Unified Development Ordinance § 18.50.190(O)(2)(a)(2)
Garage sale signs may only be placed at the site of the sale. Garage sale signs include sample and yard sale signs. Such signs must not exceed four (4) square feet per sign, with two (2) faces per sign permitted. No permit is required for these signs. b. R-3 and R-4 Districts In addition to other signs permitted by this chapter, in multifamily districts a maximum of three (3) ...
Digital Billboards
Olathe bans new billboards citywide and blocks existing nonconforming billboards from adding digital faces, extra illumination or moving panels under the sign code.
Olathe Digital Billboard Ban
Heavy RestrictionsOlathe Unified Development Ordinance § 18.50.190.L.1, .L.3.b
No new billboards may be constructed in any zoning district. ... A legal nonconforming billboard may not be increased in size or elevation, relocated to another site or to a new location on the same site or expanded, enlarged, or extended in any way, including, but not limited to, the addition of advertising faces, the addition of digital faces, adding additional illumination or the addition of...
Window Signs
In Olathe's Downtown District, a permanent window sign can cover only 10% of the window's area, or up to 20% if the business skips a wall sign, and only one sign per window.
Olathe Downtown Window Sign Coverage
Some RestrictionsOlathe Unified Development Ordinance § 18.50.190.K.7.a-b
No more than one (1) permanent window sign is allowed per window. Window signs must not exceed ten (10) percent of the window area so that visibility into and out of the window is not obscured, except that window signs may be as large as twenty (20) percent of each window area if no wall sign is provided.
Looking for Johnson County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Olathe city rules.
Sign Regulations in Johnson County →