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Franklin County Engineer

As a local public works agency headquartered in Columbus, Ohio, the Franklin County Engineer's Office is responsible for the maintenance and construction of 271 miles of county roadway and 351 county bridges, as well as upkeep of all county ditches, drains, retention basins, and other storm water facilities within the right-of-way of county roads in unincorporated areas. To meet the continuing development and infrastructure needs of Franklin County, the Engineer's Office utilizes the latest technologies for determining and maintaining roadway centerlines and boundaries; retracing and setting new monuments for original public land surveys; preparing geographic information system mapping for real estate tax assessments; and establishing precise countywide horizontal and vertical control to maintain uniformity in construction, surveying, and mapping.
Franklin County Engineer
Franklin County Engineer
We're making progress on the West North Broadway Bridge rehabilitation project. Check out the latest update to see how crews are transforming this bridge for motorists, pedestrians, and cyclists.
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Franklin County Engineer
Franklin County Engineer
We had a blast at the WABA - Westland Area Business Association Independence Parade! Thanks to everyone who joined us as we kicked off the Independence Day holiday and America's 250th celebration. It was a great day with the Westland community!
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Franklin County Engineer
Franklin County Engineer
Beach Road between Amity Road and Plain City-Georgesville Road has reopened to traffic.

Thank you for your patience during construction. Please note that one additional closure will occur later this summer to complete additional work. Advance notification will be provided before that closure begins.
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Franklin County Engineer
Franklin County Engineer
Today is International Women in Engineering Day. We are proud to celebrate the talented women engineers and engineering professionals on our team whose expertise, innovation, and dedication help build stronger communities every day.

Thank you for all you do! #WomenInEngineering
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Franklin County Engineer
Franklin County Engineer
Cooke Road, between Karl Road and Maize Road, is closed, for a City of Columbus waterline installation. The closure will last approximately 90 days, weather permitting.
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Franklin County Engineer
Franklin County Engineer
Out offices are closed today in observance of Juneteenth.Today, we honor this important day of remembrance, reflection, and celebration of freedom. Our offices will reopen on Monday, June 22, 2026, at 7:00 a.m.
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Franklin County Engineer's Office
970 DUBLIN ROAD
COLUMBUS, OHIO 43215
(614) 525-3030
fracoeng@franklincountyengineer.org
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Surveying, Mapping, & Records Department

Surveying, Mapping, & Records Department

Rettke, Tony

TONY RETTKE, P.S.

Director of Surveying and Tax Map

The Surveying, Mapping, and Records Department performs a variety of surveys to meet the continuing development and infrastructure needs of Franklin County. Use of a countywide network of horizontal and vertical control monuments and the satellite Global Position System (GPS) enables the most accurate surveys necessary for the design of construction projects and the definition of road centerlines, property limits, and county, municipal and township boundaries.

“It is the responsibility of the County Engineer to maintain a current set of property ownership maps. These maps assist the County Auditor in keeping an accurate tax base” (Ohio Revised Code Section 5713.09).

The County Engineer has an office and staff in the Franklin County Administration Building, located at 373 South High Street, 19th Floor, Columbus, Ohio.  This office is known as the Tax Map Division.  The primary function of this office is to produce a set of maps which will display the current property boundaries, ownership, transfer dates, parcel numbers, acreage or lot number and subdivision names, as compiled from the information available from the Franklin County Records.  The following is a brief list of the Tax Map Division responsibilities and duties:

  • Update and maintain an accurate set of maps for the County Auditor
  • Check all real estate transfers for compliance to the “Transfer and Conveyance Standards of the Franklin County Auditor and the Franklin County Engineer” as well as the “Minimum Standards for Boundary Surveys”.
  • Check annexation plats for the County Commissioners regarding content and accuracy of the legal description and plat.
  • Check subdivision plats for compliance to the “Transfer and Conveyance Standards of the Franklin County Auditor and the Franklin County Engineer” as well as the “Minimum Standards for Boundary Surveys”.
  • Check Condominium Declarations for compliance to the “Transfer and Conveyance Standards of the Franklin County Auditor and the Franklin County Engineer” as well as the “Minimum Standards for Boundary Surveys”.
  • Maintain and create a comprehensive Highway Map for the entire county per Administrative Code.
  • Issue addresses for all new construction in the unincorporated areas of Franklin County.
  • Assist with the Location Based Response System (LBRS) initiative.
  • Manages Franklin County engineering and surveying records