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Business Details
50+ Years
experience
Professional Land Surveying Services in Thomson, GA
Established in 1972, John A. McGill has built a reputation as a trusted land surveying firm serving East Central Georgia and West Central South Carolina. Our expertise spans property surveying, site planning, erosion control, and construction layout services for individuals, developers, and transportation departments. With over five decades of experience, we combine advanced technology like Land Desktop and Carlson software with field crews certified in NPDES erosion monitoring to deliver precise solutions. Our professional surveyor, licensed in Georgia and South Carolina, leads a team dedicated to accuracy and client satisfaction. We maintain subscriptions to real-time GPS networks in both states, ensuring high-quality data collection for projects ranging from residential site plans to DOT infrastructure.

Our technical department produces TP3 and TN3 terrain models, supporting complex engineering needs. Headquartered in Thomson, Georgia, we operate from a single office since 2014, focusing on personalized service across our regional markets. Our staff includes Georgia-certified erosion monitoring specialists and professionals affiliated with the Surveying and Mapping Society of Georgia. This deep local knowledge and technical proficiency position us as a reliable partner for surveying challenges in both rural and developed landscapes.
Services
Property Surveys ALTA Surveys Topographic Surveys Erosion Control Plans Construction Layout FEMA Elevation Surveys Volume Calculations
Details
  • Year established: 1972
Highlights and features
  • We have over 50 years of experience in land surveying since 1972
  • Our team includes Georgia-certified erosion monitoring specialists
  • We utilize industry-standard software like Land Desktop and Carlson
  • We maintain real-time GPS network subscriptions in Georgia and South Carolina
  • Our surveyor holds dual licensing in Georgia and South Carolina
Services
Property Surveys
We conduct comprehensive property surveys to establish boundary lines and legal descriptions. Our team uses advanced GPS technology and certified methodologies to ensure accuracy for residential, commercial, and government clients. This service supports real estate transactions, development projects, and dispute resolution across Georgia and South Carolina.
Construction Layout
Our construction layout services guide infrastructure projects with precise elevation and positioning data. We support DOT projects and private developments by establishing benchmarks and control points. This ensures compliance with engineering plans for roads, buildings, and utilities throughout the Southeast region.
Erosion Control Plans
We develop erosion control plans meeting NPDES permit requirements for construction sites. Our certified specialists create monitoring programs and mitigation strategies to prevent sediment runoff. This service helps clients maintain environmental compliance during land development projects in regulated areas.
Topographic Surveys
Our topographic surveys capture detailed elevation data and surface features. Using modern surveying equipment, we create accurate terrain models for engineering and design purposes. This service supports site planning, floodplain analysis, and infrastructure development projects.
FEMA Elevation Surveys
We provide FEMA-compliant elevation surveys to determine flood risk for properties. These surveys support flood insurance requirements and building code compliance. Our certified professionals deliver accurate elevation certificates for residential and commercial properties in flood-prone areas.
People
John A. McGill, Sr.
Professional Land Surveyor in Charge
Licensed surveyor with expertise in Georgia and South Carolina projects. Graduated from Southern Polytechnic State University, he leads survey operations and client relations from our Thomson office.
John A. McGill
Founder
Established the firm in 1972 as McGill and Associates Land Surveyors. Transitioned from sole proprietorship to incorporated business in 1997, maintaining leadership in regional surveying services.
Questions
What areas do you serve?
We serve East Central Georgia and West Central South Carolina from our Thomson, Georgia office.
What survey types do you offer?
We provide property surveys, ALTA surveys, topographic surveys, FEMA elevation certificates, and construction layout services.
Are your staff certified?
Yes, we have Georgia-certified erosion monitoring specialists and a professional surveyor licensed in both Georgia and South Carolina.
Do you work on government projects?
Yes, we provide surveying services for Georgia and South Carolina Department of Transportation projects.
What technology do you use?
We utilize Land Desktop, Carlson, and C&G software with real-time GPS networks in Georgia and South Carolina.
How long have you been in business?
We've provided surveying services since 1972, incorporating as John A. McGill, P.C. in 1997.