Business Information
Founded as a local lumber company in 1918, O.C. Cluss has built a reputation for excellence as a leading supplier of lumber, building materials, and installation services in Pennsylvania, Maryland, and West Virginia. Visit us today at 92 Service Center Drive.

A group of Builders FirstSource team members wearing high-visibility safety vests walks through a lumber yard. The area is surrounded by stacks of materials, trucks, and a trailer marked “O.C. Lumber,” with wooded hills in the background under a partly cloudy sky.

Builders FirstSource team members engage in a lively discussion at a showroom counter. Some wear yellow safety vests while others are dressed in business casual. Product displays line the background, and the group appears to be exchanging ideas or touring the facility.

A group of 15 Builders FirstSource employees and partners stands together inside a well-lit retail or warehouse space. They’re gathered in front of store shelving stocked with hardware and building supplies, smiling for a group photo beneath a high industrial ceiling.

A cozy, modern hallway with a soft green, three-panel interior door slightly ajar. The space includes a woven bench, a window with a potted plant, a natural fiber rug, and a wall adorned with three black-and-white framed photographs. The design is minimal and welcoming.

A bright and airy living room with soaring ceilings and large, floor-to-ceiling windows that let in natural light and showcase a lush green lawn and trees with autumn foliage. The space features a glass double-door entry, elegant drapes, a leather armchair, and a wooden coffee table with decorative accents.

Bright daylight streams into an open-concept dining room through a trio of prominent white double-hung windows, showcasing a well-maintained backyard with mature trees.

A sunroom featuring a full wall of tall, white-framed double-hung windows, a textured sofa, a small wooden table with flowers, and a ceiling fan, all overlooking a vibrant woodland.

Modern kitchen interior featuring a wood and glass exterior door with geometric grid design. The space includes white cabinetry, a farmhouse sink, light wood flooring, and natural wood accents, with a white pitcher holding budding branches on the island countertop.

White paneled interior door with an arched top design, set in a green wall with white trim. A brushed nickel door handle, light switches, thermostat, and wall plaques are visible to the right of the door.

Bright interior space with large picture windows offering a clear view of a suburban neighborhood and open landscape. The room features white walls, dark wood flooring, and natural light streaming through the multiple window panels.

Bright sitting area with two wooden accent chairs featuring woven backs and colorful patterned pillows, positioned in front of large grid-style windows. A small round side table with a potted plant sits between the chairs, and natural light fills the room with white walls and dark wood flooring.

Modern home interior with a white sliding barn door on black hardware and a glass panel door opening into a dining room with table, chairs, and pendant lighting.

White two panel interior door with brushed nickel handle in a modern home hallway, with a kitchen featuring dark wood cabinets and recessed lighting visible in the background.

Large black-framed picture windows fill a bright bedroom with natural light, offering a wide view of green trees outside.

Tall, multi-pane windows next to a glass entry door on a modern white building exterior, emphasizing clean lines and vertical window design.

Opening Times
Mon-Fri 7am-4:30am, Sat-Sun Closed

Payment Methods Accepted
American Express, Android Pay, Apple Pay, Cash, Check, CONTACTLESSPAYME, Discover, Invoice, MasterCard, Visa

Additional Websites

reservation

https://www.bldr.com/location/OAKLMDYD

order

https://occluss.com

Additional Phone Numbers

Fax

(301) 334-1692

Products:
Manufactured Components, Drywall & Accessories, Cabinets & Countertops, Doors, Lumber, Decking & Landscaping, Hardware & Home Center Supplies, Tools, Windows, Siding & Exterior Building Materials, Insulation & Weatherproofing, Moulding & Millwork, Stairs & Stair Parts, Plywood & Sheathings, Roofing

Services:
Delivery & Pickup, Truss & EWP Design, Dedicated Support, Credit, Showrooms & Design Centers, Custom Millwork, Estimating & Design, Installation, Window & Door Specialists, myBLDR Customer Portal

Specialties:
Installed Services, Veteran Sales Specialists

Associations:
The Leukemia & Lymphoma Society® (LLS), North Texas Food Bank, Warriors Heart®, HomeAid America, The Family Place

Languages:
English

Established:
2001

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