William Terrell (W. T.) Dunahoo took over the family land surveying business in 1963 and founded W. T. Dunahoo and Associates. He graduated from Georgia Tech with a Bachelor of Civil Engineering, and earned his licensure as a Georgia Registered Land Surveyor in 1968. He also holds registration as an RLS in South Carolina. With sixty years in the business, he has unsurpassed knowledge of Barrow and surrounding counties, land surveying, and real estate. Using his vast awareness and personal experience with over fifty years of development supervision, he is instrumental in working with clients and in guiding them through the development process of residential, commercial, and industrial sites.

W. T. is a Barrow County native. He is a long standing member and past president of the Barrow County Builders Association and the Winder Rotary Club. He enjoys farming, gardening, and fly fishing.

Donald H. Dunahoo started working full time for the company in 1970 after studying surveying courses at Truett McConnell and Southern Tech. He brings fifty plus years of land surveying experience to the company. He specializes in boundary surveys, ALTA surveys, topographical surveys, mortgage closing plats, house location plans, and exemption plats.

Outside of work, Don is a long standing member and past president of The Winder Lions Club.

Mark Thompson brings thirty two years of land surveying experience to W. T. Dunahoo and Associates, LLC. He joined the company in 1993. He specializes in surveying residential and commercial developments and is instrumental in working with grading and utility contractors by determining grade elevations, performing construction staking, and locating utilities. He also performs boundary surveys, mortgage closing plats, and topographical surveys. He continues to integrate the latest surveying technology into his daily work, always coordinating with our engineer and computer draftsmen to produce the highest quality plats.

Outside of work, Mark is an avid hunter and also enjoys fishing and cooking.

Nicole Dunahoo Wall joined the firm full time in 1997 after graduating from the University of Georgia with a Bachelor of Science in Design.  She went on to study land surveying courses and earned her license as a Registered Land Surveyor in Georgia in 2009, earning the distinction of being one of few female registered surveyors in the state. She brings many years of surveying knowledge to the daily operations of the company. Nicole specializes in preparing concept plans, house location plans, and residential site plans, including septic design. 

Outside of work, Nicole enjoys being involved in her three sons’ school and sporting activities and photography.  She also serves on the Jefferson High School Booster Club board as advertising chairperson.

Daniel F. Dunahoo joined the company in 1995 while attending Gwinnett Tech. After studying computer programming, Dan became proficient in the use of AutoCAD and is responsible for generating plats for the company. He continues to bring the latest software and hardware technology to the company.

Outside of work, Dan enjoys spending time with his wife and two children, hunting, fishing, and playing pool.

After being around the family business since a young age, Terrell decided to pursue a degree in surveying.  He attended Kennesaw State University and graduated with a degree in geospatial science in 2021, with a concentration in surveying and mapping.  Terrell became a full time crew chief in 2021, with duties ranging from construction staking new developments to boundary surveys and topography work.  He integrates GPS into our daily operations and he is proficient with AutoCad, drafting his own projects.  Terrell passed the fundamentals of surveying test in 2022, earning licensure as a Land Surveyor in Training.  He is on his way to being a fourth generation licensed surveyor.

Outside of work, Terrell enjoys playing golf, snow skiing and spending time on the lake.  He also volunteers his time as a youth football coach at the Jefferson Recreation Department.

Jared joined the company in January of 2018, while attending Lanier Technical College.  He obtained his associates degree in drafting technology later that year, and earned the distinction of top drafter in his class.  He is also certified in several other CAD related fields.  He specializes in coordinating with our construction staking crews and generating the point files necessary for full construction staking in developments.  He also drafts boundary surveys, site plans, and ALTA surveys.

Outside of work, Jared enjoys golfing, fishing, shooting pool, and coaches baseball at Jefferson High School.

Joseph is a native of Barrow County and joined the company in 2017.  He graduated from Apalachee High School and attended the University of North Georgia.  He served in the United States Air Force from 2006 to 2012, where he was stationed primarily in Little Rock.  While stationed in Iraq, he gained extensive CAD and GIS training.  He specializes in generating detailed subdivision plats and as built plans for the company, as well as boundary surveys, topographical surveys and concept plans.

Outside of work, Joseph enjoys gardening, camping, shooting, movies and carpentry work.

Bobbie joined the company in 2016. She is instrumental in researching property descriptions and serves as the liaison between our clients and surveying department to get jobs scheduled. She is responsible for helping process our plats through the various jurisdictions and submitting them for final recording.

Outside of work, she enjoys reading, spending time with family and pets.