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Working Together - For YOU!

Our Professional Team Is Here For YOU, Start To Finish!

PATCO Construction is a family owned business with over a quarter of a century of experience in building quality homes. Whether you're just starting out, upsizing, downsizing, or realizing your retirement dream, we promise to deliver the very best value and the highest customer service. We have home designs to fit every lifestyle and every budget and all of our designs can be modified. Our design team will work with you to make your home uniquely yours.

Mark Patterson

Co-Owner
Mark is Co-Owner, along with his brother, Greg, of PATCO Construction. PATCO is a family business started by Mark and his father, Irving, in 1985. A Sanford native, Mark graduated from the University of Maine in Orono with a degree in Business Administration and Marketing. Having been introduced to the construction industry from a young age, Mark has further refined his expertise in all phases of the process - from designing well thought out floor plans to determining what materials and features define a quality built home. Mark’s goal is to deliver comfortable homes - within budget - to Maine families, whether they’re first-time home buyers or more experienced homeowners.

Mark enjoys volleyball, boating, snowboarding, waterskiing, family time and traveling.

Steve Bourque

VP / Sales Director
Steve has served as Vice President of PATCO’s Residential Division and Sales Director for many years. Steve is usually the first team member that a perspective home buyer meets when they begin working with PATCO. He stays with the project from beginning to end, ensuring that entire experience is as stress free as possible and that the home owner is completely satisfied with the product PATCO delivers. Originally from New Brunswick, Canada, Steve has a degree in Marketing and is a licensed Realtor. He and his family are long-time Sanford residents and take great pride in the way the the community has grown.

An avid hockey player, Steve is a top ranking goalie in the Portland Senior Pirates, and has received many awards playing for other teams both in Maine and Canada.

Karen Mantica

Residential Sales
Karen’s background in the sales industry ranges from Seafood to Real Estate. As an agent for Prudential Verani Realty ( now Berkshire Hathaway Verani Realty ) for over 21 years , she has helped thousands of people throughout both Southern New Hampshire and Southern Maine sell and buy their homes. Karen has achieved numerous awards for her success.

Karen is a proud Wife, Mother and Nana to her husband of 43 years, two daughters and a grandson. Karen enjoys surf rod salt water fishing with her brothers and visiting with friends and family. She is a certified crochet specialist and has her own online store, Kams-store.com, which has been featured in Peoples magazine! Karen also crochets for several local Charities.



Christopher Flury, CPA

Chief Financial Officer
Chris has served as PATCO’s Chief Financial Officer since 2016. Chris previously held the positions of Senior Auditor, Senior Director of Finance, Assistant Treasurer, VP Controller and VP Accounting & Finance for several companies in the real estate development, home building and construction industries. Originally from Seattle, he grew up in Ohio, spending time in Texas and Maryland before settling in Alfred, ME. Chris is a graduate of Franklin University, Columbus Ohio and is a big Ohio State Buckeyes fan! Chris enjoys being part of a great team that constantly strives to deliver a quality product. He brings his expertise in financial and accounting oversight to that effort.

An avid outdoorsman, Chris enjoys fishing and hiking. He and his wife share life with a menagerie that includes 3 dogs, a cat, a few parakeets and an ever expanding flock of chickens!

Alyssa Rosenberg

Residential Project Manager
Alyssa has her Bachelors in management with experience in overseeing high end residential construction. She has served nearly a decade in the Air National Guard, is a former Air Force Medic and is now an Air Transportation Technician. Alyssa has been deployed in several humanitarian missions including Hurricane Maria in Puerto Rico. She is also a landlord who manages two rental properties.

Alyssa enjoys fitness, hiking, boating and spending time with her dog, Fae. As if spending time managing home construction all day weren't enough, she's also a renovation junkie who is always working on projects at home.

Shayna Haigh

Staff Accountant
Shayna is one of PATCO’s newest team members, celebrating her one-year anniversary with the company. Shayna is PATCO’s Staff Accountant, working closely with Diana. She places a high value on loyalty, dedication and responsibility - all traits that PATCO celebrates in its team members.

Shayna lives in Sanford where she focuses on being a mom and working tirelessly against “Fortnite” and the collapse of parenting!


Matt McKenny

Residential Estimator
Matt McKenny is PATCO’s Residential Estimator. A University of Maine graduate, Matt contributes strong problem solving skills to the team. He’s responsible for putting together estimates, pricing, budgets, material acquisition and invoicing.

Matt calls Gorham home, and in his off hours enjoys fishing, 4- wheeling, and playing guitar.

Tyler Young

Residential Estimator / IT
Tyler is the Residential Estimator working alongside Matt. He also provides IT support, helps to create the IT budget and troubleshoots the day to day IT problems that come up. He is a varsity WR/QB football coach entering his third year coaching at the Varsity level. Tyler is a UNH 2017 grad.

A New Hampshire resident, in his free time, Tyler enjoys playing basketball, spending time outside, and going to the gym. He's a big technology guy and a huge Ohio State football fan!

Drew Shaw

Residential Drafter
Drew Shaw recently joined the PATCO Team as the Residential Drafter. A self-employed contractor in the residential building industry for 36 years, Drew was also an on-call firefighter for 18 years with the North Reading, Massachusetts Fire Department. He has 20 years of experience working with residential design software along with a thorough knowledge of building code and a technical background in all phases of construction. Drew uses his expertise to design new home concepts and help our home buyers with modifications
and new ideas.

A resident of Parsonsfield, Drew spends his off work hours riding ATV’s, motorcycles snowmobiles, traveling and hiking with his wife and three dogs.

Rebecca Robbins

Residential Administrative Assistant
Rebecca has been PATCO’s Residential Administrative Assistant for the past year. A former Legal Assistant, Rebecca brings a variety administrative skills to her position. She works closely with both the Residential Team and homebuyers throughout every step of the building process. She has an Associate Degree in Paralegal Studies from McIntosh College.

When not hard at work, this Berwick native enjoys riding her motorcycle, camping, hunting, fishing, crafting, sewing, reading, and just spending time with family and friends. Rebecca’s husband is a 30+ year active member of the North Berwick Fire Department (currently a Captain), so she also spends time fundraising for the North Berwick Firefighter’s Auxiliary.

Marcus Fritz

Residential Project Manager
Marcus is a native New Yorker who graduated from The State University of New York ( S.U.N.Y. ) at Delhi with a degree in construction management. Prior to joining the PATCO team he was self employed for over 25 years specializing in spec homes and high end remodeling. Marcus brings to PATCO many years of project management experience and enjoys the challenges the job brings.

Marcus enjoys both small and large home projects, riding his classic 65 Mustang, walking his 2 Goldendoodles and chasing his 2 grandchildren in the yard.

We're Part Of The Community

PATCO team members are also Mainers. We're raising our families here. We care about what happens in our communities. As a company, PATCO is dedicated to helping maintain the quality of life we all enjoy in our uniquely beautiful state - environmentally, socially, and culturally.
SHS Building Trades Donation
Sanford High Buildings Trade Program
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Friendship Park Pavilion
Friendship Park Pavilion, Waterboro
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Maine Breast Cancer Coalition Donation
Maine Breast Cancer Coalition
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Mousam Trail Extension Project
Mousam Way Trail Extension
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Waban School Playground
Waban School Playground
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Sanford Salvation Army Donation
Sanford Salvation Army
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Fraser Ford Developmemt Center Donation
Fraser-Ford Child Development Center
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Steel Building Specialists

Experience, Innovation, Tradition, and Value

PATCO Is Your Commercial Building Contractor

Your business is unique and will grow at it’s own rate. At PATCO we’ve got the experience to handle any size job. We’re with you every step of the way. Whether you’re starting with a brand new building, or renovating or expanding an existing facility, our team understands that every step represents a milestone in the “history” of your business. It’s important to you – and it’s important to PATCO. We’re honored to have played a part in the evolution of companies in business parks, shopping centers, malls, and towns throughout Southern Maine and Northern New Hampshire.

Our Affiliate Is Your Full Service Storage Solution

At Safe Storage, our professionally managed facilities are your convenient self storage solution. Whether you’re looking for a small unit to hold a few boxes or a large unit designed to hold the contents of an entire home, our facilities have you covered. Modern features like 24-hour gated entry, motion-detecting lights, and drive-up ground floor access make moving easy, day or night. And industry-leading perks like onsite management, a packing supply shop, and online bill payments add up to a truly streamlined moving experience. Contact us today to learn more about the Safe Storage difference.
Safe Storage
  • Hollis
  • Sanford
  • Parsonsfield
  • East Baldwin
  • Springvale
  • Kennebunk

PATCO's Core Values

FAIRNESS
Maintain a high degree of integrity with co-workers, customers and team members.
PASSION
Demonstrate sincere exuberance for what we do.
APPRECIATION
Show genuine appreciation to all team members and customers. Celebrate achievement.
LOYALTY
Embrace and promote a high degree of loyalty.
RESPECT
Treat others as significant. Empower people to make decisions, and support them.
GROWTH
Encourage and assist personal and professional growth.