NOTICE OF APPLICATION 
SEPA DETERMINATION OF NON-SIGNIFICANCE 
NOTICE OF PUBLIC HEARING 
Tillman 49-lot Plat 
PLT22-0004 and SEP22-0022 
 
The City of Auburn is issuing a Notice of Application (NOA), SEPA Determination of Non-Significance (DNS), and Notice of Public Hearing (NOH) for the following described project. The project application and listed studies may be reviewed by contacting the Department of Community Development at [email protected].  
 
Proposal: Preliminary plat application to subdivide approximately 15.94 acres into 49 single-family residential lots. The project site is zoned R-5, Residential, which allows 4-5 dwelling units per acre, and R-1, Residential, which allows 1 dwelling unit per acre. The proposed lots zoned R-5 range in size from 5,123 square feet (sf.) to 7,730 sf. The proposed lots zoned R-1 range in size from 8,023 sf. to 10,358 sf. The plat will extend a new public road (“Road A”) approximately 490 feet west off of 112th Ave. SE and which will terminate in a cul-de-sac.  Within the project site, one new road (“Road B”) will run perpendicular (north-south) to Road A. Another new road (“Road C”) will extend west off of Road B. Two shared access and utility tracts (D and K) will extend off of Road A. One shared access and utility tract (Tract J) will extend off of Road B. Another shared access and utility tract (Tract L) will extend off of Road C. An emergency vehicle access tract (Tract A) will extend off of Road B and connect to 112th Ave. SE. Four open space/park tracts (B, C, E, and H) are proposed within the project site. Stormwater will be managed onsite via one stormwater detention pond (Tract F).  Access to Tract F will be provided by a 20 foot public storm easement between proposed Lots 23 and 24. Lakehaven water and sewer will be extended from through the site to service each lot. An geologic hazard area and its associated buffer will be placed into separate tracts (Tract G). 
 
Location: The project site is located west of the intersection of 112th Ave. SE and SE 309th St. within NE¼ of Section 8, Township 21, Range 5. King County Assessor Parcel Nos. 3339400235, 3339400242, 3339400240, 3339400230, 3339400236, 3339400295.  
 
Notice of Public Hearing:                  
December 11, 2023 
Notice of Application:                        
December 11, 2023 
Application Complete:                      
December 13, 2022 
Permit Application:                            
April 4, 2022  
 
File Nos.                                              
PLT22-0004 
SEP22-0022 
Applicant:                                           
Matt Weber, PE 
AHBL, Inc. 
2215 N. 30th St., Suite 300 
Tacoma, WA 98403 
                                                             
Property Owner:                                 
Audrey Lee, Sr. Land Project Coordinator 
Conner Homes  
12600 SE 38th St.  
Bellevue, WA 98006 
 
Studies/Plans Submitted With Application (PDFs) : 
Revised SEPA Checklist (PDF), AHBL, Inc., December 4, 2023 
Preliminary Civil Plans (PDF), AHBL, Inc., October 5, 2023 
School Access Analysis (PDF), Transpo Group, October 26, 2023 
Traffic Impact Analysis (PDF), Transpo Group, October 2023 
Critical Areas and Geotechnical Report Engineering Report (PDF), The Riley Group, Inc., October 24, 2022 
Sight Distance Analysis (PDF), AHBL, Inc., December 13, 2022 
Preliminary Storm Drainage Report (PDF), AHBL, Inc., May 2023 
Neighborhood Review Meeting Documentation (PDF), AHBL, Inc., February 9, 2022  
 
Other Permits, Plans, and Approvals Needed: Public Facility Extension (FAC) / Grading Permit(s) 
 
Statement of Consistency and List of Applicable Development Regulations:  This proposal is subject to and shall be consistent with the Auburn City Code, Comprehensive Plan, and Public Works Design and Construction Standards. 
 
Lead Agency:  City of Auburn. The lead agency for this proposal has determined that it does not have probable significant adverse impact on the environment. An environmental impact statement (EIS) is not required under RCW 43.21C.030(2)(c). This decision was made after review of a completed environmental checklist and other information on file with the lead agency. This information is available to the public on request.  
 
Public Comment Period: This may be your only opportunity to comment on the environmental impact of the proposal. All persons may comment on this application. This DNS is issued under WAC 197-11-340(2); the lead agency will not act on this proposal for 15 days from the date issued below. Comments must be in writing and submitted by 5:00 PM on December 26, 2023 to the mailing address of 25 W Main St., Auburn, WA, 98001 or to [email protected]. Any person wishing to become a party of record, shall include in their comments that they wish to receive notice of and participate in any hearings, if relevant, and request a copy of decisions once made. Any person aggrieved of the City's determination may file an appeal with the Auburn City Clerk at 25 W Main St., Auburn, WA 98001-4998 within 14 days of the close of the comment period, or by 5:00 PM on January 9, 2024. 

Public Hearing: The Hearing Examiner will conduct a public hearing on Preliminary Plat on January 17, 2024 at 2:00 PM. The public hearing will be held in person and virtually. To attend the meeting virtually please enter the meeting ID into the ZOOM app or call into the meeting at the phone number listed below. Join the ZOOM meeting at the following web address: https://us06web.zoom.us/j/88438839041. Meeting ID: 884 3883 9041, or via one tap mobile+12532158782,,88438839041# US (Tacoma). Dial by your location: +1 253 215 8782 US (Tacoma); +1 253 205 0468 US; 888 475 4499 US Toll-free; 877 853 5257 US Toll-free; Meeting ID: 884 3883 9041. Find your local number: https://us06web.zoom.us/u/kXy789aI9. 
 
Written comments may be either emailed or mailed attention to the contact person below to 25 W Main St., Auburn WA, 98001. Please note mailed comments may not be received by City Staff on time for inclusion in the packet provided to the Hearing Examiner.  For persons with speech, sight, or hearing disabilities wishing to review documents pertaining to this hearing should contact the person below within 10 calendar days prior to the hearing. Each request will be considered individually according to the type of request, the availability of resources, and the financial ability of the City to provide the requested services or equipment. For questions regarding this project, please contact Alexandria D. Teague, AICP, Senior Planner at [email protected] or 253-931-3003. 
                                                              
Note: This determination does not constitute approval of the proposal. Approval of the proposal can only be made by the legislative or administrative body vested with that authority. The proposal is required to meet all applicable regulations. 

Vicinity Map

Proposed Preliminary Plat Layout