Business Details
21 Years
experience
Expert Civil Engineering and Surveying Services in Maine
Terradyn Consultants is an integrated civil engineering and land surveying firm founded in 2005 in New Gloucester, Maine. Our team of civil engineers, surveyors, designers, and environmental scientists serves clients across Southern, Central, and Coastal Maine. We prioritize thoughtful design, technical excellence, and client collaboration to create safe, functional environments. Our services span engineering design, land surveying, regulatory permitting, and construction monitoring. We work closely with private developers, municipalities, and multidisciplinary teams to deliver efficient, cost-effective solutions.Our philosophy centers on communication, professionalism, and community impact. We combine decades of experience with modern technology to streamline project execution. Client testimonials highlight our responsiveness, regulatory expertise, and high-quality deliverables. Our offices in New Gloucester, Portland, and Auburn enable localized service with statewide reach. We are committed to environmental stewardship and improving the communities we serve.
Services
Engineering Design
Land Surveying
Regulatory Permitting
Land Planning
Construction Monitoring
Stormwater Management
Subdivision Development
GIS & Geomatic Services
Details
- Year established: 2005
Highlights and features
- We have 18 years of Maine-specific civil engineering and surveying experience.
- Our team includes licensed professionals with expertise in regulatory compliance.
- We deliver projects on time and within budget through proactive communication.
- Our multidisciplinary approach ensures comprehensive project solutions.
- We maintain a 98% client retention rate based on service quality.
What people say
Highest quality
Most efficient
Competent local engineering
Thorough and communicative
Creative design process
Services
Engineering Design
Our engineering design services encompass site development, roadways, utilities, and stormwater systems. We create code-compliant, sustainable infrastructure solutions for commercial, residential, and municipal projects. Our team ensures technical precision while maintaining project timelines and budgets.
Land Surveying
We provide boundary, topographic, and ALTA surveys with high-accuracy data collection. Our survey teams support land development, title insurance, and construction projects across diverse terrains in Maine.
Regulatory Permitting
Our experts navigate state and federal permitting processes including MDEP, NRPA, and USACE requirements. We prepare technical documentation and coordinate agency reviews to expedite project approvals.
Land Planning
We offer master planning and subdivision design services that balance development goals with environmental constraints. Our plans integrate infrastructure, zoning requirements, and sustainable practices for optimal land use.
Construction Monitoring
Our construction services include bid documentation, cost estimation, and field observation. We ensure design intent is maintained during construction while addressing field challenges in real-time.
People
Jeffrey Amos
President
Founder with 18+ years of civil engineering experience specializing in subdivision planning, roadway design, and regulatory permitting. Manages project execution and client relationships across Maine.
Michael Tadema-Wielandt
Vice President
Licensed engineer leading Portland office operations. Expertise in commercial/residential projects and complex regulatory approvals. Serves on Cape Elizabeth Zoning Board of Appeals.
Adrienne Fine
Senior Project Engineer
Specializes in stormwater management, road design, and site development. Coordinates projects from concept through construction in Portland office.
Craig Sweet
Senior Project Engineer
Experienced in municipal infrastructure design and construction oversight. Provides technical leadership for large-scale development projects across Maine.
Jimmy Courbron
Director of Survey
Licensed surveyor managing land measurement operations. Oversees boundary surveys, construction layout, and ALTA/NSPS standards compliance for title insurance purposes.
Questions
What civil engineering services do you offer?
We provide site design, roadway engineering, stormwater systems, utility design, and municipal infrastructure solutions for public and private sector clients.
Do you handle regulatory permitting for Maine projects?
Yes, we manage MDEP, NRPA, USACE, and local zoning permits including stormwater, shoreline development, and subdivision approvals.
What areas of Maine do you serve?
We operate statewide with offices in New Gloucester, Portland, and Auburn, serving Southern, Central, and Coastal Maine regions.
How do you ensure project timelines are met?
Our process combines early regulatory coordination, experienced project managers, and real-time field adjustments during construction phases.
What project types do you specialize in?
We work on commercial developments, residential subdivisions, municipal infrastructure, and institutional projects with diverse regulatory requirements.