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Welcome to Collinson, Oliff & Associates, Inc.

Land Surveying

Whether you are searching for property corners or a detailed map of your site, COA’s experienced Land Surveying Department can help you find what you need. Learn more.

Civil Engineering

As businesses, churches, communities and industries continue to grow, it becomes essential for their sites to grow with them.
 Learn more.

Land Planning

As Maryland’s terrain is made up of some of the most diverse geographic features in the country, it becomes evident how important land planning is.
Learn more.

Environmental Planning

Increasing government restrictions have created the demand for an in-depth environmental analysis factoring in more than meets the eye.
Learn more.

Established in 1990, Collinson, Oliff & Associates, Inc. (COA) brings over 25 years of experience in the fields of Land Surveying, Civil Engineering, Land Planning and Environmental Planning to Southern Maryland. Call us at 410-535-3101 or 301-855-1599 to learn more.

Core Capabilities

LAND SURVEYING

CIVIL ENGINEERING

LAND PLANNING

ENVIRONMENTAL PLANNING

Partners & Affiliates

surveyers
NSPS
ACSE
pe
Ann
calvert
charles
marys
Appaolis
northbeach
chesapeak
lenordtown
© Copyright - Collinson, Oliff & Associates, Inc. All Rights Reserved.