Historic Preservation in Lewis County, WA (2026)
1 rule for unincorporated Lewis County, Washington.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Lewis County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Historic-Cultural Monuments
Unincorporated Lewis County has no separate historic landmark or cultural-monument ordinance. Its only textual protection for register-listed structures sits inside the floodplain code: alterations to buildings on the National Register of Historic Places or the State Inventory of Historic Places are excluded from the 50 percent "substantial improvement" trigger and can receive a streamlined variance from the county's flood-elevation standards without jeopardizing the listing.
Historic Structures in Unincorporated Lewis County
Light RestrictionsLewis County Code § 15.35.040; § 15.35.170(5)(a); § 15.35.180(2)
(b) Any alteration of a structure listed on the National Register of Historic Places or a State Inventory of Historic Places. ... Variance ... s may be issued for the reconstruction, rehabilitation, or restoration of structures listed on the National Register of Historic Places or the State Inventory of Historic Places without regard to the procedures set forth in this section; provided, that t...
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