Business Details
34 Years
experience
Custom Deck & Patio Builders in Severn, MD
Diamond Decks is a locally owned and operated contracting company serving the greater Baltimore and Washington, DC areas since 1992. Specializing in custom decks, patios, and screened porches, we prioritize attention to detail, customer service, and the use of high-quality, long-lasting materials. Our team holds certifications from the North American Deck and Railing Association (NADRA), making us one of Maryland's first Master Deck Professionals. We offer a 5-year warrantyfive times the industry standarddemonstrating confidence in our craftsmanship. The owner works directly with clients throughout the design and construction process, ensuring personalized service and adherence to deadlines.With over 25 years of experience, we combine technical expertise with a commitment to treating customers with integrity and respect. Our services extend to deck resurfacing, 3D design modeling, and full-service home improvements, supported by a network of industry professionals. Backed by an A+ rating from the Better Business Bureau, we focus on creating outdoor spaces that enhance home value and family enjoyment while maintaining transparency and ethical standards.
Services
Custom Decks
Screened Porches
Patios & Firepits
Deck Resurfacing
Custom Porch Design
3D Modeling
Low-Maintenance Decking
Details
- Year established: 1992
Highlights and features
- We offer over 25 years of experience in custom deck construction.
- Our team holds NADRA-certified Master Deck Professional status.
- We provide a 5-year warranty, five times the industry standard.
- The owner works directly with clients from design to completion.
- We use premium materials from trusted brands like TREX and Fiberon.
Associations and certifications
- North American Deck and Railing Association (NADRA)
- Better Business Bureau (BBB)
What people say
Quality workmanship
Professional attitude
5-year warranty
Personalized attention
Long-lasting materials
Services
Custom Decks
We design and construct custom decks tailored to your homes architecture and lifestyle needs. Using premium materials like composite decking and pressure-treated wood, we ensure durability and aesthetic appeal. Our 3D modeling process allows clients to visualize the final product before construction begins.
Screened Porches
Transform open decks into year-round screened porches with low-maintenance materials and customizable features. We install vinyl ceilings, skylights, and retractable screens while maintaining structural integrity and ease of maintenance for homeowners.
Patios & Firepits
Create functional outdoor living spaces with paver patios, fire pits, and complementary hardscaping. We use brands like Nicolock and Techo-Bloc to ensure longevity and offer design options ranging from simple layouts to elaborate outdoor kitchens.
People
Bill Zinnert
President
With over 25 years in deck construction, Bill founded Diamond Decks to address gaps in quality and service. He prioritizes direct client collaboration, timely project completion, and adherence to industry standards through NADRA certification.
Buddy Goetzger
Vice President
Buddy brings 15 years of home improvement expertise and a background in customer service. He focuses on ensuring 100% client satisfaction and oversees project coordination to align with homeowners' vision and needs.
Questions
What areas do you serve?
We serve Baltimore, Annapolis, Columbia, Ellicott City, Severn, and surrounding Maryland counties including Anne Arundel, Howard, and Montgomery.
What warranties do you offer?
We provide a 5-year labor warranty on low-maintenance deck work, five times the industry standard, and match competitors' warranties upon request.
Are you certified deck builders?
Yes, we are certified Master Deck Professionals through the North American Deck and Railing Association (NADRA).
What materials do you use?
We use premium brands like TREX, Fiberon, and TimberTech for decking, and Nicolock or Techo-Bloc for patios to ensure durability and aesthetics.
Can you redesign existing decks?
Yes, we offer deck resurfacing and redesign services to modernize outdated structures while preserving their foundational integrity.
Reviews (3)
Susan Gaesser
Jul 06, 2017
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Just wanted to express our thanks to Diamond Decks for a job well done. Our deck is absolutely beautiful, and is just how we envisioned. The crew.
Katie Randolph
Feb 09, 2017
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Diamond Decks was great! We used Diamond Decks to tear down an old deck and replace it with a new deck w/decking underneath while we were selling my.
Michael Kiser
Jan 11, 2017
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Magnificent job! Our deck looks fabulous. Diamond Decks is the best. Their workers were professional and really knew what they were doing. We.
