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Contact Information
Please Note Our New Location
Arapahoe County Lima Plaza
6924 S. Lima Street
Centennial, CO   80112
Phone: 720-874-6500
TDD: 720-874-6574
E-mail: Public Works & Development




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Home>> Departments>> Public Works & Development>> Engineering


An Engineer-on-Call is available during business hours to answer specific engineering related questions on the Public Works and Development phone line at (720) 874-6500.

Business Hours (excluding holidays)

Monday - Friday, 8 a.m. - 4:30 p.m.

Applicants who have submitted to Arapahoe County for development review and have specific questions related to their development may direct questions to the case engineer assigned at the respective links below.

Sue Liu, PE, CFM
Engineer III
SLiu@co.arapahoe.co.us

Stacey Thompson, CFM
Engineer II
SThompson@co.arapahoe.co.us

Irene Valenzuela, PE
Engineer III
ivalenzuela@co.arapahoe.co.us