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Home My WebLink AboutERC_Notice of Determination_DNS-M_20251208DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT Planning Division 1055 South Grady Way, 6th Floor | Renton, WA 98057 www.rentonwa.gov NOTICE OF ENVIRONMENTAL DETERMINATION ISSUANCE OF A DETERMINATION OF NON- SIGNIFICANCE - MITIGATED (DNS-M) POSTED TO NOTIFY INTERESTED PERSONS OF AN ENVIRONMENTAL ACTION DNS-M: After review of the completed environmental checklist and other information on file, the City of Renton Environmental Review Committee (ERC) has determined that the proposed action has probable significant impacts that can be mitigated through mitigation measures. This DNS-M is issued after using the optional DNS process in WAC 197-11-355. An environmental impact statement (EIS) is not required under RCW 43.21C.030(2)(c). Please note that the issuance of this determination DOES NOT constitute approval of the proposal. DATE OF NOTICE OF ENVIRONMENTAL DETERMINATION: December 9, 2025 PROJECT NAME/NUMBER: Windsor Court / LUA25-000148 / PR25-000034 PROJECT LOCATION: 19411 108th Ave SE & 19505 108th Ave SE (APNs 6623400232, 6623400233) APPLICANT/PROJECT CONTACT PERSON: Tom Donato / 10257 NE 64th St Kirkland, WA 98033 / tomdedonato1@gmail.com LOCATION WHERE APPLICATION MAY BE REVIEWED: Applicant documents are available online through the City of Renton Document Center website. See also https://rb.gy/tad3u1 PROJECT DESCRIPTION: The applicant is requesting Preliminary Plat approval, Environmental (SEPA) Review, and Site Plan Review for the subdivision of an existing 111,381 square foot (2.56 acre) site into 20 lots for the future construction of single family residences and two tract (Tracts A and B). The project site is comprised of two (2) parcels located within the Residential-14 zone. The project site is currently developed with two single family residences and associated detached accessory structures, proposed for removal. Access to the site is proposed via a new 53-foot wide public right-of-way off 108th Ave S. In addition, a 20-foot wide secondary emergency access tract (Tract B) is proposed along the northern portion of the property to provide emergency access. According to COR Maps, a Wellhead Protection Area, Zone 1 Modified and slopes with a grade of between 15 percent and 25 percent are mapped on site. A Type F stream is mapped offsite to the east. Appeals of the environmental determination must be filed in writing on or before 5:00 p.m. on December 23, 2025. Appeals must be submitted electronically to the City Clerk at cityclerk@rentonwa.gov or delivered to City Hall 1st floor Lobby Hub Monday through Friday. The appeal fee, normally due at the time an appeal is submitted, will be collected at a future date if your appeal is submitted electronically. The appeal submitted in person may be paid on the first floor in our Finance Department. Appeals to the Hearing Examiner are governed by RMC 4-8-110 and additional information regarding the appeal process may be obtained from the City Clerk’s Office, cityclerk@rentonwa.gov. PUBLIC HEARING: If the Environmental Determination is appealed, an appeal public hearing will be set and all parties of record will be duly notified in accordance with RCW 43.21C.110 and WAC 197-11-535. CONTACT PROJECT PLANNER: Jill Ding, Senior Planner, 425-430-6598, jding@rentonwa.gov DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT ENVIRONMENTAL (SEPA) DETERMINATION OF NON-SIGNIFICANCE -MITIGATED (DNS-M) Project File Numbers: LUA25-000148 / PR25-000034 Project Name: Windsor Court Applicant: Tom Donato / 10257 NE 64th St Kirkland, WA 98033 Contact: Same as the applicant Project Location: 19411 108th Ave SE & 19505 108th Ave SE (APNs 6623400232, 6623400233) Project Description: The applicant is requesting Preliminary Plat approval, Environmental (SEPA) Review, and Site Plan Review for the subdivision of an existing 111,381 square foot (2.56 acre) site into 20 lots for the future construction of single family residences and two tract (Tracts A and B). The project site is comprised of two (2) parcels located within the Residential-14 zone. The project site is currently developed with two single family residences and associated detached accessory structures, proposed for removal. Access to the site is proposed via a new 53-foot wide public right-of-way off 108th Ave S. In addition, a 20-foot wide secondary emergency access tract (Tract B) is proposed along the northern portion of the property to provide emergency access. According to COR Maps, a Wellhead Protection Area, Zone 1 Modified and slopes with a grade of between 15 percent and 25 percent are mapped on site. A Type F stream is mapped offsite to the east. Lead Agency: City of Renton Environmental Review Committee Department of Community & Economic Development The Environmental Review Committee (ERC) convened on Monday, December 8, 2025, to consider the SEPA determination for the above project. The Planning Division of the City of Renton issued the environmental determination on Tuesday, December 9, 2025 Mitigation Measures: 1. Construction on the project site shall comply with the recommendations of the submitted Geotechnical Report, prepared by Terra Associates, Inc., dated July 23, 2024, revised December 30, 2024, and any future addenda. 2. The applicant’s geotechnical engineer shall submit a sealed letter stating that he/she has reviewed the construction permit plans and in their opinion the plans and specifications meet the intent of the report(s). 3. The applicant’s geotechnical engineer shall provide notes on the construction plans identifying when on-site geotechnical engineer supervision of construction events is recommended. 4. The applicant shall submit an Inadvertent Discovery Plan prepared by a qualified professional with the Civil Construction Permit for review and approval by the Current Planning Project Manager prior to permit issuance. The applicant shall provide notification to Tribes’ cultural committee prior to the start of construction. The City of Renton Environmental Review Committee has determined that probable significant environmental impacts from the proposed project can be mitigated. An Environmental Impact Statement (EIS) is not required under RCW 43.21C.030(2)(c). Conditions were imposed as mitigation measures by the Environmental Review Committee under their authority of Section 4-9-070D Renton Municipal Code. These conditions are necessary to mitigate environmental impacts identified during the environmental review process. Because other agencies of jurisdiction may be involved, the lead agency will not act on this proposal for fourteen (14) days. Docusign Envelope ID: DF429B06-CA80-4493-87D6-C67576B95CF2 Environmental Review Committee Determination December 9, 2025 Page 2 of 2 SIGNATURES: Martin Pastucha, Administrator Public Works, Chair Date Anjela Barton, Fire Marshal Renton Regional Fire Authority Date Maryjane Van Cleave, Administrator Parks and Recreation Date Gina Estep, Administrator Date Community and Economic Development Appeals of the environmental determination must be filed in writing on or before 5:00 p.m. on December 23, 2025. Appeals must be submitted electronically to the City Clerk at cityclerk@rentonwa.gov or delivered to City Hall 1st floor Lobby Hub Monday through Friday. The appeal fee, normally due at the time an appeal is submitted, will be collected at a future date if your appeal is submitted electronically. The appeal submitted in person may be paid on the first floor in our Finance Department. Appeals to the Hearing Examiner are governed by RMC 4-8-110 and additional information regarding the appeal process may be obtained from the City Clerk’s Office, cityclerk@rentonwa.gov. Docusign Envelope ID: DF429B06-CA80-4493-87D6-C67576B95CF2 12/8/2025 | 1:42 PM PST 12/8/2025 | 3:32 PM PST 12/8/2025 | 1:49 PM PST 12/8/2025 | 3:00 PM PST