Building relationships, one project at a time.
At Tye Engineering & Surveying, we take pride in our commitment to providing exceptional civil engineering services to our clients in Bend, Oregon and surrounding counties since 1990. Our team of experienced professionals is dedicated to delivering high-quality services with old-fashioned customer service and cutting-edge technology.
Our Story
Tye Engineering & Surveying, Inc. is a small, locally owned and operated civil engineering and surveying firm that has been deeply rooted in Bend, Oregon. Our company was founded in 1990 by William R. Tye, PE, PLS, CWRE*, and has since grown to become a trusted name in the industry. After William's passing in 2019, Dirk Duryee, PE, PLS, CWRE*, took over as president of the company and has continued to lead the firm with his vast experience and expertise.
Our Services
We specialize in a wide range of civil engineering services, including commercial site development, residential layout and infrastructure design, and sewer and water systems. Our full-service field surveying crew is equipped with the latest GPS, robotic, and drone technology to provide accurate and efficient services to our clients.
Surveying Services
Our surveying services include topographic surveys, bathometric surveys, ALTA surveys, boundary surveys, partition surveys, subdivision surveys, foundation surveys, elevation certificates, and various FEMA certifications. We utilize state-of-the-art equipment to streamline our data collection, enabling us to provide surveying services faster and more accurately than most other firms.
Commercial Design Services
We can independently develop a site for multiple uses, working with teams of architects, landscape architects, and/or environmental specialists. Our commercial design services include zoning, topography, water/wastewater, franchise utilities, flood plain, site grading, site drainage, parking, site layout, and construction costs.
Residential Design Services
We have provided engineering services for over 30 subdivisions within the Central Oregon region. Our residential design services include review of land use zones and development possibilities, as well as the preparation of tentative plats, grading plans, construction plans, and final plats.
Our Mission
At Tye Engineering & Surveying, we strive to provide the best possible services to our clients while building lasting relationships. Our clients' needs are our top priority, and our professional team is dedicated to completing work in a quick, accurate, and efficient manner.
Client Satisfaction and Experience
The reviews highlight a mix of positive and negative experiences with Tye Engineering & Surveying.
Positive Experiences
One client, Jet Cowan, had an excellent experience with the company. They appreciated the team's ability to complete a time-sensitive project ahead of schedule and to their exact specifications. This positive experience is attributed to the team's listening skills and attention to detail.
Negative Experiences
On the other hand, Carol had a poor experience with the company. They expressed dissatisfaction with the final outcome of a project, which was supposed to fix a minor flooding issue. The company responded to Carol's review, stating that they couldn't find her in their system and didn't install the drainage fix she mentioned.

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