The Survey Section within the Engineering Division provides all survey support for County Engineering efforts. In addition the Survey Section has established, maintains, and continues to densify the County Vertical and Horizontal Control Networks. As a result of the efforts of the Survey Section, in 80% of the County there is a benchmark monument within one mile. This control network information is available for purchase in two books containing coordinate information and location maps for $20 per set, or may be downloaded at no charge below.
The Survey Section functions as a repository for Department of Natural Resources (DNR) State Certified Section Corner information. Also available are all original G.L.O. Notes and Township Plats (circa 1840's) as well as copies of drawings made by Fred Williams, County Surveyor in the 1920's through the 1940's. Also available for public view are Federal Emergency Management Agency (FEMA) Flood Insurance Rate Maps (FIRM) and USGS quadrangles. For more information call the County Surveyor, Steve Wessels at (407) 665-5656.
The "Witness Sign" and the "Control Monument" represent a sample of the County's Horizontal Control Network. There are several hundred of these Control Monuments established as inter visible pairs, at random locations throughout Seminole County. They have been established at a considerable amount of time and expense to Seminole County. They serve numerous purposes, such as for G.I.S. Mapping, Local Subdivision Development, Geodetic Control for Private Surveying Firms as well as other Government agencies. The preservation of these Control Monuments is important to the overall quality of the network as we continue to enlarge the control network. We ask that anyone noticing the "Witness Sign" indicating a nearby Seminole County Control Point, to not disturb that area. If this is not possible, please contact the Seminole County Survey Section at 407-665-5665, prior to excavation. You may also note that these points DO NOT represent any property boundary or property corner, they are merely random points that have precise latitude and longitude values measured to them.
DOWNLOADABLE SURVEY DATA
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Geodetric Control Book (PDF) [6.5MB]
Geodetric Control Map (PDF) [3.47MB]
Vertical Control Book (PDF) [3.75MB]
Vertical Control Map (PDF) [6.28MB]
Fred Williams Section Break (Zip File containing PDFs) [62.9MB]
Seminole County Survey Information Request Form. Fill in necessary information on the form and submit electronically in order to request survey information.
The Land Boundary Information System includes Certified Corner Records, NGS Vertical and Horizontal Control Points, GLO Notes and more.
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