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. Not only can he draw sites and structures, but he also understands what is needed to build it. Brennan has excellent relationships with many local contractors and architects.

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

Financial Manager

Stephanie is our current Finance Manager and person who "makes the magic happen" at Marks Engineering! Stephanie joined Marks Engineering in 2020 on a freelance basis when the former bookkeeper left the company to pursue her own family business.

Stephanie is a freelancer as she is currently employed full time at a local health insurer. Stephanie's experience in engineering and surveying is zero, but she has a 13-year finance background working for a wide variety of companies including: PricewaterhouseCoopers, Genesee Regional Bank, Constellation Brands and Excellus. Her role at Marks Engineering is bookkeeper, compliance, human resources, finance, accounting and just about anything that involves the numbers, taxes and the law. She also helps to keep her husband, and Marks Engineering owner, Brennan in line!

In her spare time, Stephanie enjoys visiting Finger Lakes Wineries, reading, exercising, and spending time with her family (Brennan, sons Finley and Declan and daughter Reagan) and pets (chickens and dog Boots).

Lindsey Tidd

Administrative Manager

Lindsey is the Administrative Manager at Marks Engineering. 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.

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

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. This is one of the reasons why he has chosen Landscape Architecture as a profession. To create spaces that incorporate a love for horticulture, while reflecting the natural beauty of the rural landscape into the newly built environment.

Logan's expertise pertains to:

  • Landscape Design:
    • High-end Residential and Commercial
    • Native and Ornamental Plant Selection
    • Natural Stone Hardscapes
    • Streetscapes
    • Rain Gardens
    • Parks and Recreation Areas
  • Lighting Design:
    • Photometric and Point-Plot Layouts
    • Dark sky compliant Designs
  • Site Investigation and Planning
    • Property analysis
    • Subdivisions - Site Plans
  • Grading
  • LakeFront Development
  • Marketing and 3D Visualization
    • Renderings
    • 3D Modelling

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. Mike 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. As an Engineer Mike's areas of expertise are:  

  • 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.

J. Peter Sarkis

Engineer I

Peter is a licensed engineering intern (EIT) working under the title of Engineer 1. He joined Marks Engineering in the summer of 2020 after graduating from The University of Vermont with a bachelor’s degree in Environmental Engineering in 2018. He is studying and working towards becoming a licensed professional engineer in the state of New York. He was born and raised in Canandaigua and is familiar with the area. Although he is still learning, Peter’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 Peter enjoys skiing, hiking, traveling, and spending time with friends and family.

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. He then Partnered with Environmental Design & Research before his partnership with Dave Freeland.

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.

Jacob Welsh

Land Surveyor I

Jacob joined Marks Engineering in January of 2021 as a Land Surveyor I. He previously worked for 2 years as a survey technician for Lehr Land Surveyors in Liverpool, NY. Growing up in the Finger Lakes and graduating from Dundee Central School, he continued his education at FLCC for Fisheries and Wildlife Technology. After graduating in 2017, Jacob attended SUNY ESF graduating with a degree in Conservation Biology in 2019. While attending ESF, he played for the college basketball team. Although land surveying was new to Jacob, he quickly grew fond of the new challenges it presented and fully enjoys the work.

Jacob’s passions include hunting, fishing, hiking, and camping. He also enjoys playing basketball and football with family and friends.

Keith Burley

Surveyor I

School:

  • High school - Marcus Whitman class of 2006
  • Hobart College class of 2010 - Bachelors in Biology, Geology, teaching degree
  • SUNY ESF Ranger School class of 2017- associate's degree in land surveying. Class Salutatorian
  • NYSAPLS - Young Professionals Committee member since 2016

Work:

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

Hobbies:

Hiking, fishing, hunting, snowmobiling, mountain biking, farming