About Us

Darrell E. Gerken PSM, Inc. began in 1973 as Darrell E. Gerken Land Surveying. In 1996, Mr. Gerken incorporated the business, and today we continue to thrive with a dedicated team of technicians and professionals to serve you. We employ the latest technology including Nav Com GPS, Zeiss robotic total station, and Topcon total stations with SMI Construction V data collection. Cad stations utilize Acad 2008.

Our combination of skilled professionals and innovative technology has allowed us to be a team member on several projects:

Sarasota County

Control survey for the 17th Street Improvement Project within the city of Sarasota
Design survey for the Lime Avenue Improvement Project within the city of Sarasota
Design survey for the East Avenue Improvement Project within the city of Sarasota
GPS data collection for the city of Sarasota geographic information system (GIS)
Design surveys for miscellaneous street improvement projects throughout the city of Sarasota including integrating each project into the city GIS
Boundary survey, engineering design/topographic survey, platting (8 phases), and construction surveying services in Turtle Rock (containing 687 lots) and Palmer Ranch
Boundary survey, engineering design/topographic survey, platting, and construction surveying services in Sarasota Ranch Club (containing 60 +/- 10 acre lots)
Pile stakeout and asphalt survey, construction stakeout, and platting services in Plaza at Five Points
Pile stakeout and as-built survey, construction stakeout, and platting services in Orchid Beach

Manatee County

Design surveys for the 9th Street East, 44th Avenue East, 59th Street East, and Lockwood Ridge Road improvement projects
Design surveys for the Samoset, Oneco, and Washington Park areas sewer improvement projects in Palmetto
Boundary survey, engineering design/topographic survey, platting (4 phases), and construction surveying services in Kingsfield (containing 377 lots)
Boundary survey, engineering design/topographic survey, platting (2 phases), and construction surveying services in Lakeridge Falls (containing 257 lots)
Engineering design survey, right-of-way mapping, right-of-way acquisition and easement documentation, and construction surveying services in Lockwood Ridge Road Extension- Tallavast Road to U.S. 70