Land Surveyors

- Free Consultations

- Member of the ISPLS

- Over 30 Years of Combined Experience

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Providing Excellent Land Surveying and Site Development Since 1997

Darren and Dennis Helms started Landmark Surveying Co., Inc. in 1997. After 26 years of business, our family-owned and operated business continues to have a passion for providing a quality service to our clients.  We take pride in working hard to provide a superior product.


Our office is located in Washington , Indiana, but we enjoy traveling throughout the Midwest and South to serve our clients. Call Darren or Dennis at today to discuss your next project.

Land Surveying

If you are looking for a licensed surveyor for getting a professional property survey done, turn to the team at Landmark Surveying Co Inc. We are licensed in 7 Midwest states, including Indiana, Illinois, and Kentucky.

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Civil Engineering

Hire the professionals at Landmark Surveying Co Inc for top-notch land development services for your next project. Our experts will ensure that your job gets done right the first time. Call us at (812) 301-6533 for a FREE consultation or email us to discuss your projects.

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Commercial Building Design

Rely on the knowledgeable team at Landmark Surveying Co Inc for all of your commercial building design needs. We provide complete architectural and engineering design services for small commercial and industrial buildings. Contact us today for a FREE consultation.

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Quality Surveying

You can depend on us to complete your project with accuracy. Whether you need a boundary survey of a residential lot or a topographic survey for a large commercial development, we provide professional, timely service. Call us at (812) 301-6533 for a FREE consultation or email us to discuss your projects.

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Our Professionals

Darren Helms and Dennis Helms have been in the land surveying profession for more than 30 years and are licensed to practice land surveying in 7 states in the Midwest and South. Our entire team is knowledgeable in surveying using both Global Positioning System and robotic methods. Download our survey request form to begin your project.

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Landmark Surveying Co Inc

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