- County Road Book 1 (Only Available at Skagit County Public Works on Microfiche)
- County Road Book 2
- County Road Book 3
- County Road Book 4
- County Road Book 5
- County Road Card Index
- County Road List (1863-1949) (Available upon request from Skagit County Public Works)
- Old County Road Names and Numbers
- Road Establishment Resolutions
- Bridge List (Historic)
- Road History Information Search
- Skagit County Maps (1866-1995)
- Easements (Land Access Records) Search
- Engineers Record of Surveys' (1891-1933) Version 1 (incomplete)
- Engineers Record of Surveys' (1891-1933) Version 2
Historic Road Information Index
Public Works | Engineering Division
Historic Road and Bridge Books, Establishments, Indexes, and Lists
- Skagit County Memorandum of Understanding with Washington State Department of Natural Resources Public Land Survey Office to ensure preservation of land survey monuments in compliance with WAC 332-120-080. This MOU acknowledges the County’s responsibility to ensure that all known survey monuments within all pavement preservation treatment areas are located and perpetuated.
- 2025 Chip Seal Monuments List
- 2025 Certification of Monument Preservation Following Road Surface Preservation Treatments to Washington Department of Natural Resources.
General Land Office Survey Plats (GLO)
Public Works Historic Section Plats
