Chapter 23.60A - SEATTLE SHORELINE MASTER PROGRAM REGULATIONS
Seattle Mun. Code — Chapter 23.60A - SEATTLE SHORELINE MASTER PROGRAM REGULATIONS
in effectContents
section23.60A.001. Definition of the Seattle Shoreline Master Programsection23.60A.002. Title and purposesection23.60A.004. Shoreline goals and policiessection23.60A.010. Shoreline District establishedsection23.60A.012. Inconsistent development prohibitedsection23.60A.014. Liberal constructionsection23.60A.016. Regulations supplementalsection23.60A.018. Non-regulated actionssection23.60A.020. Permits and exemptionssection23.60A.022. Application when development partly out of Shoreline Districtsection23.60A.024. Development of lots split into two or more shoreline environmentssection23.60A.026. Fee schedulesection23.60A.027. Habitat Evaluation Proceduressection23.60A.028. Payment for habitat unitssection23.60A.030. Criteria for obtaining shoreline substantial development permits, special use authorizations, shoreline conditional use permits and shoreline variance permitssection23.60A.032. Criteria for special use approvalssection23.60A.034. Criteria for shoreline conditional use permitssection23.60A.036. Criteria for shoreline variance permitssection23.60A.038. Criteria for Council conditional use approvalssection23.60A.041. Criteria for relief for property impacted by shift in shoreline locationsection23.60A.042. Criteria for shoreline environment redesignationsection23.60A.043. Criteria for determining an action to be infeasiblesection23.60A.060. Procedures for shoreline environment redesignationssection23.60A.062. Procedures for determining consistency with the chapter and for obtaining exemptions from shoreline substantial development permit requirementssection23.60A.063. Procedures for obtaining shoreline substantial development permits, shoreline special use approvals, shoreline conditional use permits and shoreline variance permitssection23.60A.064. Procedure for limited utility extensions and bulkheadssection23.60A.065. Procedures for relief for property impacted by shift in shoreline locationsection23.60A.066. Procedure and criteria for determining feasible alternative locationssection23.60A.067. Procedure for Council conditional use authorizationsection23.60A.068. Procedure for phasing of developmentssection23.60A.069. Procedures for shoreline design reviewsection23.60A.070. Decisions transmitted to State of Washingtonsection23.60A.071. Appealssection23.60A.072. Commencement of constructionsection23.60A.074. Effective date of shoreline substantial development permits and time limits for permit validitysection23.60A.076. Revisions to permitssection23.60A.078. Rescissionsection23.60A.082. Enforcementsection23.60A.090. Identification of principal and accessory usessection23.60A.122. Nonconforming usessection23.60A.124. Development nonconforming to development standardssection23.60A.126. Structures in trespasssection23.60A.150. Applicable standardssection23.60A.152. General developmentsection23.60A.154. Standards for archaeological and historic resourcessection23.60A.155. Best management practices for over-water uses and structuressection23.60A.156. Standards for environmentally critical areas in the Shoreline Districtsection23.60A.157. Essential public facilitiessection23.60A.158. Standards for mitigation sequencingsection23.60A.159. Standards for ecological restoration location and ecological mitigation locationsection23.60A.160. Standards for priority habitat protectionsection23.60A.162. Standards for parking and loading zonessection23.60A.164. Standards for regulated public accesssection23.60A.166. Standards for developments in public rights-of-waysection23.60A.167. Standards for shoreline setbackssection23.60A.168. Standards for lot boundary adjustments, short subdivisions and subdivisionssection23.60A.170. Standards for view corridorssection23.60A.172. Applicable standards for shoreline modificationssection23.60A.174. Standards for artificial reefssection23.60A.175. Standards for boat launch and landing facilitiessection23.60A.176. Standards for breakwaters, jetties, groins and weirssection23.60A.182. Standards for dredgingsection23.60A.184. Standards for fillsection23.60A.185. Standards for grading, landfill and slope stabilizationsection23.60A.186. Standards for mooring buoys, mooring piles and floating dolphinssection23.60A.187. Standards for piers and floats and overwater structuressection23.60A.188. Standards for shoreline stabilizationsection23.60A.190. Standards for vegetation and impervious surface managementsection23.60A.192. Applicable standards for specific usessection23.60A.193. Standards for agriculturesection23.60A.194. Standards for aquaculturesection23.60A.196. Standards for bridges over water and tunnelssection23.60A.198. Standards for drive-in businessessection23.60A.199. Standards for intakes and outfallssection23.60A.200. Standards for marinas, commercial and recreationalsection23.60A.202. Standards for floating homes and floating home mooragessection23.60A.203. Standards for floating on-water residencessection23.60A.204. Floating structures and standards for house bargessection23.60A.206. Standards for residences other than floating homes, floating on-water residences, house barges, and vessels containing dwelling unitssection23.60A.207. Standards for uses in public facilitiessection23.60A.208. Standards for railroadssection23.60A.209. Standards for rail transit facilitiessection23.60A.210. Standards for research, aquatic, scientific, historic, cultural and educationalsection23.60A.211. Standards for restoration and enhancementsection23.60A.212. Standards for signssection23.60A.213. Standards for streetssection23.60A.214. Standards for vessels containing dwelling unitssection23.60A.215. Standards for uses on vesselssection23.60A.217. Standards for utility linessection23.60A.219. Standards for yacht, boat and beach clubssection23.60A.220. Environments establishedsection23.60A.222. Applicable standards in the CM Environmentsection23.60A.224. Uses in the CM Environmentsection23.60A.228. Height in the CM Environmentsection23.60A.230. Lot coverage in the CM Environmentsection23.60A.232. Shoreline setbacks in the CM Environmentsection23.60A.234. View corridors in the CM Environmentsection23.60A.236. Regulated public access in the CM Environmentsection23.60A.238. Applicable standards in the CN Environmentsection23.60A.240. Uses in the CN Environmentsection23.60A.248. Development standards in the CN Environmentsection23.60A.250. Applicable standards in the CP Environmentsection23.60A.252. Uses in the CP Environmentsection23.60A.256. Height in the CP Environmentsection23.60A.258. Shoreline setbacks in the CP Environmentsection23.60A.280. Applicable standards in the CR Environmentsection23.60A.282. Uses in the CR Environmentsection23.60A.286. Height in the CR Environmentsection23.60A.288. Lot coverage in the CR Environmentsection23.60A.290. Shoreline setbacks in the CR Environmentsection23.60A.292. View corridors in the CR Environmentsection23.60A.294. Regulated public access in the CR Environmentsection23.60A.300. Applicable standards in the CW Environmentsection23.60A.310. Uses in the CW Environmentsection23.60A.326. General provisions in the CW Environmentsection23.60A.328. Height in the CW Environmentsection23.60A.330. Lot coverage in the CW Environmentsection23.60A.332. Shoreline setbacks in the CW Environmentsection23.60A.334. View corridors in the CW Environmentsection23.60A.336. Regulated public access in the CW Environmentsection23.60A.380. Applicable standards in the UC Environmentsection23.60A.382. Uses in the UC Environmentsection23.60A.383. Uses allowed on upland lots in the UC Environmentsection23.60A.384. Uses allowed over water in the UC Environmentsection23.60A.386. Height in the UC Environmentsection23.60A.388. Lot coverage in the UC Environmentsection23.60A.390. Shoreline setbacks in the UC Environmentsection23.60A.392. Regulated public access in the UC Environmentsection23.60A.394. View corridors in the UC Environmentsection23.60A.396. Development between the Pierhead Line and the Construction Limit Line in the UC Environment in Lake Union and Portage Baysection23.60A.400. Applicable Standards in the UG Environmentsection23.60A.402. Uses in the UG Environmentsection23.60A.406. Height in the UG Environmentsection23.60A.408. Lot coverage in the UG Environmentsection23.60A.410. Shoreline setbacks in the UG Environmentsection23.60A.412. View corridors in the UG Environmentsection23.60A.414. Regulated public access in the UG Environmentsection23.60A.440. Applicable standards in the UH Environmentsection23.60A.442. Uses in the UH Environmentsection23.60A.446. Height in the UH Environmentsection23.60A.448. Lot coverage in the UH Environmentsection23.60A.450. Shoreline and side setbacks in the UH Environmentsection23.60A.452. View corridors in the UH Environmentsection23.60A.454. Regulated public access in the UH Environmentsection23.60A.456. Moorage requirements in the UH Environmentsection23.60A.460. Incentive for public open space and viewing areas at Colman Docksection23.60A.480. Applicable standards in the UI Environmentsection23.60A.482. Uses in the UI Environmentsection23.60A.483. Uses allowed on upland lots in the UI Environmentsection23.60A.484. Uses allowed over water in the UI Environmentsection23.60A.486. Height in the UI Environmentsection23.60A.488. Lot coverage in the UI Environmentsection23.60A.490. Shoreline setbacks in the UI Environmentsection23.60A.492. View corridors in the UI Environmentsection23.60A.494. Regulated public access in the UI Environmentsection23.60A.496. Development standards specific to water-related uses on waterfront lots in the UI Environmentsection23.60A.500. Applicable standards in the UM Environmentsection23.60A.502. Uses in the UM Environmentsection23.60A.503. Uses allowed on upland lots in the UM Environmentsection23.60A.504. Uses allowed over water in the UM Environmentsection23.60A.506. Height in the UM Environmentsection23.60A.508. Lot coverage in the UM Environmentsection23.60A.510. Shoreline setbacks in the UM Environmentsection23.60A.512. View corridors in the UM Environmentsection23.60A.514. Regulated public access in the UM Environmentsection23.60A.516. Development between the Pierhead Line and the Construction Limit Line in the UM Environment in Lake Union and Portage Baysection23.60A.520. Applicable standards in the UR Environmentsection23.60A.540. Uses in the UR Environmentsection23.60A.572. Height in the UR Environmentsection23.60A.574. Lot coverage in the UR Environmentsection23.60A.575. Shoreline setbacks in the UR Environmentsection23.60A.576. View corridors in the UR Environmentsection23.60A.578. Regulated public access in the UR Environmentsection23.60A.900. Definitions generallysection23.60A.902. Definitions — "A"section23.60A.904. Definitions — "B"section23.60A.906. Definitions — "C"section23.60A.908. Definitions — "D"section23.60A.910. Definitions — "E"section23.60A.912. Definitions — "F"section23.60A.914. Definitions — "G"section23.60A.916. Definitions — "H"section23.60A.918. Definitions — "I"section23.60A.920. Definitions — "J"section23.60A.922. Definitions — "K"section23.60A.924. Definitions — "L"section23.60A.926. Definitions — "M"section23.60A.928. Definitions — "N"section23.60A.930. Definitions — "O"section23.60A.932. Definitions — "P"section23.60A.933. Definitions — "Q"section23.60A.934. Definitions — "R"section23.60A.936. Definitions — "S"section23.60A.938. Definitions — "T"section23.60A.940. Definitions — "U"section23.60A.942. Definitions — "V"section23.60A.944. Definitions — "W"section23.60A.946. Definitions — "Y"section23.60A.950. Measurements in the Shoreline Districtsection23.60A.952. Heightsection23.60A.954. View corridorssection23.60A.956. Calculation of lot depthsection23.60A.958. Calculation of percent of a development site occupied by a specific usesection23.60A.962. Calculation of lot width for piers accessory to residential developmentsection23.60A.970. General abbreviations and acronymssection23.60A.972. Shoreline Environment Abbreviations
Source: Seattle Municipal Code (Municode library)URL: https://library.municode.com/wa/seattle/codes/municipal_codeFetched: 7/25/2026