Maryland’s most

trusted tree care

Expert tree care to keep your property safe, healthy, and looking it’s best. From precise trimming to full removals, we handle every job with safety, integrity, and efficiency. Your Tree. Our Priority.

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Who We Are

  • Safety, efficiency, and communication are the foundation of everything we do. Our goal is always to preserve the health and beauty of your trees through proper trimming and pruning whenever possible. When a tree can no longer be safely maintained, we provide professional removal services to protect your property and landscape.

  • Our commitment to safety, efficiency, and integrity is at the core of every project we take on. We believe in doing the job right the first time by showing up on schedule, maintaining clear communication from start to finish, and delivering quality work that exceeds our customers’ expectations. Your satisfaction and the care of your property are always our top priorities.

  • I started O’Brien Outdoors with a vision to bring greater value, integrity, and consistency to the tree care industry throughout Maryland. Our mission is to build a company that homeowners can trust — one known for honest work, reliable service, and a strong commitment to safety. Whether we’re carefully maintaining the beauty and health of your trees or safely removing hazardous ones to protect your property, our goal is always to provide dependable service and lasting peace of mind.

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Maryland’s trusted tree service

Meet the Team

  • A man with a beard wearing a gray baseball cap and black shirt standing next to a large tree in a forest, smiling at the camera.

    Justin O'brien

    Owner/Founder

  • A man standing outdoors in front of a tree in a forested area, wearing sunglasses, a gray baseball cap, a black polo shirt, gray pants, and a smartwatch, with leaf and wood debris background.

    Charles aberts

    Crew Foreman

  • A man leaning against a large tree in a forest, wearing a gray hoodie and cap, smiling, with sunlight filtering through the leaves.

    DJ Youmans

    Crew Foreman

  • A smiling man with a beard and mustache wearing a light gray hat and green and gray jacket stands outdoors in front of a large tree in a forested area, holding a tablet. The background includes trees, green leaves, and a woodpile.

    Seth Wright

    Climber/Bucket Operator

  • A man standing outdoors in front of a tree, wearing a gray and green outdoor jacket, gray pants, a cap, and a neck gaiter, surrounded by a lush green forest.

    AL JR Sanchez

    Ground Tech/Apprentice Climber

  • A man with a beard and long hair wearing a baseball cap, sunglasses, and a green jacket stands outdoors in front of a large tree. Sunlight filters through surrounding greenery in a forest setting.

    Morgan Cleaver

    Ground Tech/Apprentice Climber

  • A man wearing sunglasses on his cap, a green and gray hoodie with a logo that says 'O'Brien Outdoors LLC,' and tan pants, standing outdoors in front of a tree with lush green foliage.

    John Blubaugh

    Ground Technician

A red aerial lift vehicle with extended arm and bucket, positioned on a grassy backyard with a white fence and tall trees under a blue sky.
A worker is using a cherry picker to trim or cut branches from a tall tree near a house in a backyard, with a clear blue sky above.
Nighttime scene of a tree being cut down with a crane using a bucket, surrounded by a chain-link fence and equipment.
A utility worker wearing a green helmet and bright yellow safety vest is in a bucket lift working on a tree with bare branches against a blue sky.
A black and yellow robotic construction or landscaping machine on asphalt, with a trailer, truck, and black pickup truck parked nearby, and trees and a house in the background.
A person standing on top of a tall, thin, and partially cut tree trunk in a backyard, with a two-story beige house with white trim and a deck in the background, and a cloudy sky overhead.
A bucket truck with a raised boom and bucket is cutting a large, leaning tree next to a house in a snow-covered yard.
Tree trimming operation with a worker in a bucket lift, a wood chipper, and a bulldozer parked on a gravel driveway in a wooded area.
A crane lifting a large tree branch away from a residential property during daytime. The scene includes a house, outdoor furniture, and a partly cloudy sky.
A utility truck with a bucket lift working between two tall green hedges on a narrow dirt path.
A service truck with a bucket lift extended to trim trees near a house. The truck has advertising for O'Brien Tree & Landscape LLC.
Lawn and driveway leading to a truck with a crane behind tall, narrow bushes on either side.

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“safety, integrity, & customer focus in every job done right.”