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About Us

Marks Engineering, P.C. is a full-service engineering firm located in Canandaigua, NY, providing Civil & Environmental Engineering, Land Surveying, and Landscape Architectural services to the Finger Lakes and Upstate New York region. We specialize in residential, agricultural/industrial, corporate/commercial, and municipal services.


Our Team

Brennan Marks, P.E.

Principal Engineer/CEO

Brennan is the founder of the Engineering division of Marks Engineering. He started the business in 2014 after many years of experience in the construction and engineering industries. Prior to founding Marks Engineering, Brennan worked for the DiMarco Companies in both estimating and project management capacities. Brennan also has experience working for other Engineering firms including Clark Patterson Lee and Dunn & Sgromo Engineers.

Brennan specializes in Civil and Environmental engineering. He graduated with an Associates Degree in Engineering Science from Alfred State prior to graduating with an Environmental Engineering Bachelor's degree from SUNY Environmental Science and Forestry (ESF) in 2008. He became a licensed Professional Engineer in 2013. Brennan has the unique experience of having grown up in the construction industry working with his father's general contracting business for years before graduating college with an engineering degree.

Brennan's specialties include:

  • Site plans
  • Grading
  • Erosion and sediment control
  • Stormwater compliance
  • Designing septic systems
  • City/Town/County/DEC/DOH permit and application processes
  • Working with lake properties
  • Municipal projects
  • Small to medium sized commercial projects
  • Green/sustainable building practices

In his free time, Brennan enjoys hanging out with his family (wife Stephanie, son Finley, daughter Reagan, son Declan) and their pets. He is an avid outdoorsman and enjoys hunting, fishing, and conservation.

Stephanie Marks

Vice President

Stephanie Marks recently joined Marks Engineering after 15 years in corporate finance to help her husband Brennan manage Marks Engineering. Stephanie specialized in Financial Planning and Analysis for major corporations in industries such as Banking, Health Insurance, Beverage Alcohol and Technology.

Stephanie takes most of our incoming consultation calls and serves as head of customer service. She also focuses on creating operational efficiencies, managing staff, HR duties such as recruiting, handling the finances, and most importantly, serving as Brennan's "handler."

Stephanie studied Policy Analysis and Management at Cornell, and received her Masters in Business Administration with a Finance concentration from RIT Saunders College of Business.

In her free time, you can find Steph dreaming up ways of sharing her love of the FLX wine industry with the community, including building her brand The Vino Valet. She has three young children with Brennan (son Finley, daughter Reagan and son Declan), and you can often find her on the sidelines of her children's extracurriculars. She is a self-proclaimed "crazy animal person" and enjoys snuggling with her dogs Boots and Rex, and her cat Florence.

Lindsey Tidd

Project & Marketing Coordinator

Lindsey is the Project & Marketing Coordinator at Marks Engineering. She joined the team in 2017 as the Administrative Manager. Before joining the team in 2017, she worked for the Schweinfurth Memorial Art Center in Auburn, NY as the Program Coordinator from 2011- 2013 and as the Administrative Coordinator until 2017. Lindsey has an extensive background in customer service and information management. She graduated from Syracuse University in 2008 with a bachelor's degree in Visual Art.

As Project & Marketing Coordinator, Lindsey's specialties include:

  • Client focus & communication
  • Information management
  • Scheduling
  • Proposals
  • Project tracking & progress
  • Municipal & NYS application process & correspondence
  • Landscape rendering
  • Digital marketing & advertisement coordination
  • Website maintenance
  • Social Media

In her free-time, Lindsey enjoys making memories with her family (husband Will and daughters Lily & Rosemary), drawing/painting, playing the guitar, gardening, yard-work, reading, traveling, and spending time with her friends.

Logan Rockcastle, RLA

Landscape Architect

Logan has a long history in aspects of horticulture and Landscape Architecture, with over 30 years in the horticulture field and nearly 10 years in Landscape Architecture. Logan's broad knowledge of plant materials, and the design and construction process allow for highly comprehensive and detailed Landscape Architecture and Planning projects. Prior to joining the Marks Engineering team, Logan worked as a planner and landscape designer at BME associates.

Logan's specialization is Landscape Architecture and Planning and holds degrees from both FLCC's horticulture program and Cornell University's Department of Landscape Architecture. Logan is also a Finger Lakes native, growing up in the hills of Middlesex and has a keen interest in the natural aspects of the area, often using native elements in his designs.

Logan's expertise pertains to:

  • Landscape Design
  • Lighting Design
  • Site Investigation and Planning
  • Grading
  • LakeFront Development
  • Marketing and 3D Visualization

Jonathan Jones

Engineer I

Jonathan joined Marks Engineering in the summer of 2021. A graduate of Clarkson University, he has 5 years of experience with a diverse background designing a variety of engineering projects. Before joining the Marks Engineering team, he worked for BME Associates. Jon grew up in the Sodus Bay area and presently resides in Australia. He is an engineering intern (EIT) currently studying for his Professional Engineer Licensure and is an active member of the American Society of Civil Engineers.

  • Residential subdivisions
  • Commercial site developments
  • Municipal development
  • NYSDEC stormwater design & preparation of SWPPP
  • Septic design
  • Lake properties
  • Municipal/State/Regulatory agencies approval & permitting process

Michael Francisco

Engineer I/IT Manager

Mike joined Marks Engineering in 2017. He is one of our Engineers and our resident IT Manager. Mike does so much behind the scenes at the office to make things run smoothly and efficiently day in and day out. He is a graduate of SUNY Oswego with a BFA in Graphic Design. He has over 7 years of residential/commercial media & technology installation experience including home theaters, stereo systems, network setup, PC setup & repair, and appliance & TV repair.

  • Site Plans
  • Septic Design
  • Soil Testing
  • Architectural Plans

In his spare time, Mike enjoys creating synth music and playing guitar. He is a horror movie buff and enjoys listening to and collecting records.

David Parrinello, P.L.S.

Principal Land Surveyor

Dave is the Principal Land Surveyor at Marks Engineering. He teamed up with Dave Freeland in 1991 and together they led Freeland-Parrinello Land Surveyors until 2017 when Dave Freeland retired. Marks Engineering acquired Freeland-Parrinello in 2017 and the rest is history. Before his partnership at Freeland-Parrinello, Dave worked for various offices including: R. Ronald Kreiling, LS, CE located in Ontario, NY, L.E.K. Associates of Rochester, NY, Monroe County Survey Office, and was at one time the Monroe County Highway Maintenance Supervisor.

Dave studied science and English literature at SUNY Oswego, computer science/programming at SUNY Brockport and R.I.T. and studied land surveying at SUNY Alfred.

In his free time, Dave is an avid golfer, participating in annual golf leagues and tournaments. He enjoys computer programming, aviation and spending time with friends and family.

Brian Hemminger

Senior Survey Technician

Brian is our Senior Survey Technician here at Marks Engineering. He started off as a young 20-year-old with a small survey company in Farmington and fell in love with surveying. After bouncing between a few land-survey and civil engineering companies for 33 years he ended up here at Marks Engineering in late 2017. He heads up most of the fieldwork for our survey and engineering jobs. Whether small city lots or large rural ones you will find Brian out in the field winter, spring, summer or fall.

When not traipsing around the swamps, woods, or city streets he is a family man. Camping, kayaking, and hiking with his wife, kids and grandchild is where you will find Brian. An active member of the United Church of Phelps and being mayor of the Village of Phelps since 2015 keeps him plenty busy in his spare time.

Keith Burley

Surveyor I

Keith's academic background includes a high school diploma from Marcus Whitman class of 2006, a Bachelor's in Biology and Geology from Hobart College class of 2010, and an associate's degree in land surveying from SUNY ESF Ranger School class of 2017 where he was class Salutatorian. He's been a member of the NYSAPLS Young Professionals Committee since 2016.

  • Field crew chief
  • Boundary and topographic mapping
  • Subdivision & annexation mapping
  • Easement mapping
  • Research and planning
  • Soil testing
  • Site plans
  • Septic design
  • Certified SWPPP inspector

Outside of work, Keith enjoys outdoor activities such as hiking, fishing, hunting, snowmobiling, mountain biking, and farming.

Josh Malone

Land Survey Technician

Josh moved to New York in 2008 after growing up in Virginia Beach where he spent much of his time farming with his father. He worked for a chemical company for 8 years and transitioned to the NYSDOT for 3 years before joining Marks Engineering in 2021.

Josh enjoys the outdoors, which complements his role as a survey technician. He loves spending time with his wife and three children, and is an avid horticulturist, constantly expanding his gardens.