County Engineer

During the restriction of public access to our offices please call (419) 734-6775 or email us at [email protected] to obtain services.


The Ottawa County Engineer
Administrative and Highway Department
offices are located at

 8247 W State Route #163,
Oak Harbor, Ohio 43449

Lajti Ron

Ronald P. Lajti Jr., P.E., P.S.

Ottawa County Engineer

Ron has been with the Ottawa County Engineer’s Office since 2003.  He graduated from Oak Harbor High School in 1996 and continued his education at the University of Toledo where he earned his B.S. in Civil Engineering.  He completed his Surveying Certificate from Owens State Community College and became dual licensed in 2010.

Ron’s responsibilities at the County include oversight of all construction and maintenance projects as they pertain to County roads, bridges, subdivisions, and drainage.  He and his staff routinely assist the Township Trustees with all of their infrastructure projects as well.  Ron is also heavily involved with the Ottawa County Soil and Water Conservation District, both in and outside of work.

Ron is currently a member of the Ottawa County Improvement Corporation, the Ottawa County Township Trustee and Clerks Association, and the Ottawa County Planning Commission.


2020 Ottawa County Engineer
Annual Report
(in compliance with ORC Section 5735.43) 

(Click title to access report)

The new County Road Map is now available
Click the link below to see the map online.

2020 County Map

Ottawa County Road Map Front

Ottawa County Road Map – Back