Wyoming Statutes

Wyo. Stat. § 34-12-102 (2026)

Description of townsites and subdivisions;

✓ current as of May 2026

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effect; duty to record.

Every original owner or proprietor of any tract or parcel of
land, who has heretofore subdivided, or shall hereafter
subdivide the same into three (3) or more parts for the purpose
of laying out any town or city, or any addition thereto, or any
part thereof, or suburban lots, shall cause a plat of such
subdivision, with references to known or permanent monuments, to
be made, which shall accurately describe all the subdivisions of
such tract or parcel of land, numbering the same by progressive
numbers, and giving the dimensions, and length and breadth
thereof, and the breadth and courses of all the streets and
alleys established therein. Descriptions of lots or parcels of
land in such subdivisions, according to the number and
designation thereof, on said plat contained, in conveyances, or
for the purposes of taxation, shall be deemed good and valid for
all intents and purposes. The duty to file for record a plat, as
provided herein, shall attach as a covenant of warranty, in all
conveyances of any part or parcel of such subdivisions by the
original owners or proprietors, against any and all assessments,
costs and damages, paid, lost or incurred by any grantee, or
person claiming under him, in consequence of the omission on the
part of said owner or proprietors to file such plat.

Notes of Decisions

Cited in 10 cases (3 in the last 5 years), 1980–2026 · leading case: Ruby Drilling Co., Inc. v. Billingsly, 660 P.2d 377 (Wyo. 1983).

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Ruby Drilling Co., Inc. v. Billingsly, 660 P.2d 377 (Wyo. 1983). · cites it 6× “Section 34-12-102 reads: "Every original owner or proprietor of any tract or parcel of land, who has heretofore subdivided, or shall hereafter subdivide the same into three (3) or more parts for the purpose of laying out any town or city, or any addition thereto, or any part…”

Bakken v. Price, 613 P.2d 1222 (Wyo. 1980). · cites it 4× “The County Assessor, in his *1230 affidavit, alludes to § 34-12-102, W.S. 1977, setting forth the duty to file a plat with respect to any tract or parcel of land which has been subdivided into three or more parts.”

Ahearn v. Town of Wheatland, 2002 WY 12 (Wyo. 2002). · cites it 4× “Ahearn points to § 102's language establishing a covenant of warranty and § 1083's language "with the free consent, and in accordance with the desires of the undersigned owners and proprietors" to argue that these statutes were violated because he, as an owner of a part of Tract…”

City of Cheyenne v. Bd. of Commissioners, 290 P.3d 1057 (Wyo. 2012). · cites it 2× “" The next statute, Wyo. Stat. Ann. § 34-12-1038 , deals with governmental approval of such subdivision plats, and provides in pertinent part: Every such plat .”

Town of Moorcroft v. Lang, 779 P.2d 1180 (Wyo. 1989). “O files a plat which shows streets in accordance with W.S. 34-12-102, and the plat is duly approved in accordance with W.”

River Props. P'ship v. Willoughby, 944 P.2d 1145 (Wyo. 1997). · cites it 3× “§§ 34-12-102, -103, -112 (1997). The following general rule applies if the property is mortgaged when it is dedicated: [A] mortgagor may divest himself of his own interests in the mortgaged property by a dedication thereof.”

Foster v. Wicklund, 778 P.2d 118 (Wyo. 1989). “See W.S. 34-12-102. 5 . The legal questions detailing litigant preclusion to continue an action against the landlord after settlement with the tenant who provided the offending use will also not now be addressed in this forum; albeit interesting, but neither briefed nor…”

V. Kathie Brazinski Case M. Brown Margaret E. Creel Joseph M. Demarsh Jan Demarsh-Lovett Lloyd Dorsey & Michele W. Dorsey, Trs. of the Dorsey Revocable Trust Dated 12/5/2012 Mark Lovett Allison F. Merritt & Janice K. Smith, Tr. of the William R. & Janice K. Smith Revocable Trust Dated 3/15/2005 v. Bd. of Cnty. Commissioners of Teton Cnty., Wyoming & Stage Stop, Inc., 2024 WY 40 (Wyo. 2024). · cites it 2× “[¶21] Wyo. Stat. Ann. § 34-12-102 (LexisNexis 2023) sets out the process for platting a subdivision: 6 Every original owner or proprietor of any tract or parcel of land, who .”

Ronald W. Hein & Linda M. Hein v. Steven Paul Carlson & Paulette Joan Carlson; & Clarence Lee Daniels & Mary Jo Daniels, 2026 WY 33 (Wyo. 2026). · cites it 8× “Second, they argue that the subdivision plats establish and fix the boundary at the meander line pursuant to Wyo. Stat. Ann. § 34-12-102 . Third, they contend Glover, 824 P.”

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