We maintain our competitive edge by using the most advanced surveying equipment available to ensure the accuracy of our work, such as RTK-GPS, Total Stations, Aerial Drone Technology and Photogrammetry. Our surveyors maintain maximum efficiency, even in the most rugged terrain, by use of  ATVs, boats, and All Terrain Vehicles. With over 7,000 completed surveys in our data base, we have a vast knowledge of the survey monumentation required to meet the needs of a client in almost any area of the county. Our company excels at precise boundary locations and we welcome the challenge of defining the most troublesome of deeded conveyances to monumentation on the ground. 

Robert R. Doerrer, Jr., a licensed professional land surveyor, is the owner and operator of Horizon Surveyors. He graduated from Eastern Michigan University in 1969 with a Bachelor of Science degree in Mathematics. Mr. Doerrer went on to found Doerrer & Co., in Evergreen, Colorado, and was responsible for all the surveying and platting of the Castle Pines Golf Course and Housing Development in Castlerock, Colorado. In early 1980's, Mr. Doerrer moved to Florida and started Boca Land Surveyors and completed thousands of surveys before selling the company and relocating to Brevard County.