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50+ Years
experience
Your Trusted Marine Construction Partner Since 1972
Founded in 1972, Colliflower and Peterson has built a 50-year reputation as a trusted marine construction specialist serving Southern Maryland and Virginia's Northern Neck. As a division of RASco, Inc., we combine decades of hands-on experience with engineering expertise to deliver high-quality residential and commercial marine structures. Our team prioritizes client needs, utilizing premium materials and proven techniques for projects ranging from seawalls to living shorelines. Led by industry veterans like Senior Project Engineer Steve Peterson and Project Manager Danny Bell, we maintain rigorous safety standards while offering personalized solutions tailored to each property's unique requirements.

Our integration with RASco's environmental and engineering services ensures comprehensive support for complex marine construction challenges. With a proven track record of successful projects and satisfied clients, we remain committed to advancing coastal resilience through innovative design and construction practices that balance functionality with environmental stewardship.
Services
Marine Restoration Commercial Construction Sea Walls Revetments Piers Living Shorelines Stairs Installation Fish Sinks Benches Boathouses
Details
  • Year established: 1972
Highlights and features
  • We offer 50+ years of specialized marine construction experience
  • Our team includes certified professionals with local expertise
  • We use premium materials for long-lasting marine structures
  • We provide customized solutions for unique shoreline requirements
  • Our RASco partnership ensures comprehensive engineering support
What people say
Great work Top notch job Easy to work with Exceeded expectations Respectful of property
Services
Marine Restoration
Our marine restoration services address shoreline erosion and structural damage using proven techniques and premium materials. With decades of experience in Southern Maryland's unique coastal environment, we implement solutions that restore functionality while maintaining ecological balance. Our team combines engineering expertise with hands-on construction knowledge to deliver durable, code-compliant repairs that protect properties against future erosion.
Sea Walls
We design and install vinyl and concrete seawalls tailored to each property's specific needs and environmental conditions. Our engineers evaluate soil composition, water exposure, and structural requirements to create customized solutions that prevent erosion while maintaining aesthetic appeal. With access to top-tier materials and construction methods, we ensure long-lasting protection for residential and commercial waterfront properties across our service areas.
Living Shorelines
Our living shoreline solutions combine natural elements with engineering principles to create sustainable erosion control systems. These environmentally friendly alternatives use native vegetation and natural materials to stabilize shorelines while enhancing local ecosystems. Our team designs each project to meet specific site conditions, providing long-term protection that adapts to changing environmental factors while maintaining property value and waterfront access.
Piers
We construct durable, code-compliant piers using high-quality materials designed to withstand coastal conditions. Our team specializes in custom designs that incorporate features like stairs, fish sinks, and benches to meet individual client needs. With strict attention to safety standards and local regulations, we deliver functional waterfront access solutions that enhance property usability while maintaining structural integrity over time.
Revetments
Our revetment installations use precisely engineered stone placements to protect shorelines from wave action and erosion. We carefully select materials and design configurations to match each site's specific hydrological conditions while maintaining aesthetic appeal. These durable solutions provide long-term protection for both residential and commercial properties, combining functionality with natural-looking integration into the surrounding environment.
People
Steve Peterson
Senior Project Engineer
With decades of marine construction experience, Steve Peterson oversees project engineering and technical implementation. His expertise in coastal structures ensures optimal design solutions for diverse shoreline conditions.
Danny Bell
Project Manager
Project Manager Danny Bell coordinates construction operations and client communications. His hands-on approach and local knowledge ensure efficient project execution that meets client expectations and regulatory requirements.
Questions
What marine construction services do you offer?
We specialize in seawalls, revetments, piers, living shorelines, and related structures with custom add-ons like stairs and boathouses.
How long have you served the Southern Maryland area?
We've provided marine construction solutions since 1972, maintaining a 50-year reputation for quality and reliability.
Do you handle permitting for marine projects?
Yes, our team manages state, federal, and county permitting processes for all construction projects.
What quality standards do you follow?
We use premium materials and maintain rigorous safety standards while adhering to environmental regulations.
Can you accommodate both residential and commercial projects?
Yes, we provide tailored solutions for both residential properties and commercial waterfront developments.
How do you determine the best erosion control method?
Our engineers assess each site's unique conditions to recommend optimal solutions like seawalls or living shorelines.