Civil Engineering / Planning / Scientific Evaluations

Unroe Engineering

Civil Engineering &
Site Development Services in Florida

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Site Planning &
Engineering Support

We deliver accurate civil design and permitting solutions to keep your project moving forward.

Complete Civil Engineering Services

Trusted support for site plans, permitting, and development projects across Florida.

Smarter Planning for Better Projects

Professional engineering support tailored to commercial and residential development.

Site Planning & Engineering Support

We deliver accurate civil design and permitting solutions to keep your project moving forward.

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3.5k

Site Plans Completed

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90%

Permit Approval Success

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30+
Years

Engineering Experience

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100%

Licensed & Certified

Darcy P. Unroe, P.E.

President and Principal Engineer

Darcy Unroe has more than three decades of hands-on experience in civil and site engineering throughout Central Florida. As President and Principal Engineer of Unroe Engineering, he leads the firm’s design work, project management, and client relationships with a steady focus on practical solutions and clear communication. Darcy has been involved in the full life cycle of site development in the region, from early planning and permitting through final construction.

Before establishing Unroe Engineering as a dedicated consulting firm, Darcy worked as a partner in the original practice, where he gained extensive experience in site design, drainage analysis, permitting support, and technical drafting. His early work as a drafting technician helped shape the grounded, detail-oriented approach he brings to every project today.

25+

Years of Civil Engineering Experience & Counting

Unroe Engineering. Built on experience. Proven in the field.

Darcy holds a Bachelor of Science in Physics from Florida State University with a minor in Mathematics, and a Bachelor of Science in Civil Engineering from the University of Central Florida. He is a licensed Professional Engineer in the State of Florida (License #60929).

His long-standing connection to Central Florida, both professionally and personally, gives him a deep understanding of the region’s land, regulatory environment, and development history. Darcy remains committed to working directly with clients and ensuring that every project receives the care, attention, and expertise it deserves.

industries we serve

our capabilities

As a full-service civil engineering firm, Unroe Engineering supports projects from early planning through construction. Our experience across a wide range of project types allows us to look at the full picture and guide clients toward solutions that work practically, economically, and on schedule. Below is an overview of our core service areas.

Site Design
Specialist

Comprehensive site layout and design that balances project goals with local requirements, environmental considerations, and long-term functionality.

Residential and Commercial Subdivisions

Design and planning for single-lot developments to full community layouts, including roads, utilities, drainage systems, and permitting.

On-Site Sewage Treatment and Disposal Systems

Design and permitting of on-site wastewater treatment systems that meet regulatory standards and suit the characteristics of the property.

On-Site Water
Supply Systems

Planning and design for private wells and water systems to ensure reliable supply that meets usage needs and regulatory guidelines.

Utility
Infrastructure

Water, sewer, and stormwater utility layout and engineering, coordinated with municipalities.

Site Fire
Protection

Hydraulic calculations, fire line routing, and coordination with local fire authorities to ensure adequate on-site fire protection measures.

Planning and
Site Evaluation

Advanced Engineering Solutions

From stormwater design to specialized infrastructure planning, we develop tailored solutions for complex site conditions.

Civil and
Site Design

Complete site plans, grading and drainage design, utility layouts, permitting support, and project coordination to move development from concept to construction.

Specialties

Advanced Engineering Solutions

From stormwater design to specialized infrastructure planning, we develop tailored solutions for complex site conditions.

Construction Coordination

Support during the build phase to help manage engineering-related decisions, respond to field conditions, and keep work progressing smoothly.

Specialty Engineering Services

Project-specific technical analysis, customized design solutions, and advisory support backed by more than 30 years of work in Central Florida.

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We Design Build-Ready Plans • We Design Build-Ready Plans • We Design Build-Ready Plans • We Design Build-Ready Plans • We Design Build-Ready Plans •We Design Build-Ready Plans • We Design Build-Ready Plans • We Design Build-Ready Plans • We Design Build-Ready Plans • We Design Build-Ready Plans •

Unroe Engineering – Civil Engineering & Site Development

Commercial
Site Plans

Unroe Engineering provides full site planning and permitting services for small to mid-sized commercial properties. Our focus is on maximizing the usable potential of each site while aligning with regulatory requirements and practical construction needs. We work closely with clients to create efficient layouts, address drainage and utility considerations, and guide projects smoothly through review and approval.

A typical commercial site plan package may include:

  • Master site plan

  • Site layout and circulation plan

  • Grading and drainage plan

  • Utility and service connection plan

  • Stormwater pollution prevention measures

  • Stormwater management calculations

  • Project-specific site construction details

Our experience in the Central Florida market allows us to anticipate challenges early, streamline the permitting process, and support our clients from initial concept through build-out.

Verified Google Reviews

Industry Insights & Client Feedback

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Mr. Robert Hayes, / Facilities Director / Industrial Development

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Mr. Daniel Rodriguez, /Commercial Developer / Orlando, FL

“Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.”

Mr. Robert Hayes, / Facilities Director / Industrial Development

Unroe Engineering – Civil Engineering & Site Development

Residential
Site Plans

Across Central Florida, many municipalities now require engineered residential site plans, grading plans, and sewer lateral plans as part of the permitting process. Unroe Engineering provides these services with timely turnaround and clear, reliable documentation tailored to each property. Our work helps ensure compliance, prevent construction issues, and support a smooth approval process.

Typical residential site plan services may include:

  • Residential site plan

  • Lot grading and drainage plan

  • Masonry block wall plan

  • Retaining wall plan

  • Seawall and dock plans

  • Environmental impact plans

  • Fence layout plan

  • Septic tank and drain field design

We work closely with homeowners, builders, and contractors to deliver practical, accurate plans that support construction and meet local requirements.

We welcome the opportunity to discuss your project and how Unroe Engineering can support your goals. Whether you’re in the early planning stages or ready to move into design and permitting, our team is here to help. Contact us to schedule a consultation or request more information. We look forward to working with you.

projects

streamlined manufacturing