Contact Our Sandusky Team
Established in Sandusky, Ohio

Regional Expertise in Civil Engineering and Land Surveying

Hancock John & Associates Inc. combines deep local land knowledge with hands-on field operations, ensuring precise results for every project across Northern Ohio.

Our Heritage

Decades of Local Insight

Operating from our East Market Street office, we possess unparalleled understanding of Erie County's land records, boundary history, and municipal standards. This local knowledge is the bedrock of our reliable site planning and infrastructure consulting.

Our Commitment

Precision in the Field, Predictability on the Job Site

Every assignment benefits from licensed technical oversight and meticulous field measurements, ensuring projects proceed with confidence and clear outcomes.

Our Operations

Equipped for Every Project

East Market Street Headquarters

Our Sandusky office serves as the central hub for project planning, client consultations, and detailed engineering analysis. Our staff are licensed professionals dedicated to your project's success.

Modern Field Fleet

We maintain a robust fleet of branded service vehicles, fully equipped with advanced surveying equipment and tools. This ensures efficient, reliable field operations across all project sites.

Our Reach

Serving Northern Ohio

We provide comprehensive civil engineering and land surveying services across a wide geographic region, supporting municipal, commercial, and private clients.

Erie County

Huron County

Ottawa County & Beyond

Extensive experience and deep local knowledge within Sandusky and all of Erie County, including municipal regulations and land development requirements.

Reliable surveying and engineering support for projects throughout Huron County, from initial site assessment to final construction oversight.

Expanding our trusted services into Ottawa County and other surrounding Northern Ohio regions, bringing our precision and expertise to new communities.