Marina Cost Segregation Study
A full engineering-based analysis of your marina property—docks, boathouses, fuel stations, and more—reclassifying assets into 5, 7, or 15-year depreciation schedules to unlock maximum first-year tax deductions.
Marina owners face unique depreciation challenges—from dock systems and fuel stations to boathouses and waterfront structures. Seneca Cost Segregation's engineering-based studies reclassify marina assets into shorter depreciation schedules, unlocking significant first-year tax savings. Discover how marina property owners across all 50 states are legally reducing their tax burden and reinvesting faster with our proven cost segregation expertise.

Comprehensive cost segregation solutions designed to maximize tax savings for marina property owners nationwide.
A full engineering-based analysis of your marina property—docks, boathouses, fuel stations, and more—reclassifying assets into 5, 7, or 15-year depreciation schedules to unlock maximum first-year tax deductions.
Already own your marina? Claim missed depreciation from up to 15 prior years in a single tax year using IRS Form 3115—no amended returns required. Full engineering analysis and audit defense included.
A convenient 30–45 minute video call inspection of your marina facilities, enabling complete component identification and classification without costly on-site visits and with a faster 2–3 week turnaround.
Every marina cost segregation study includes Seneca AuditDefense at no additional charge—covering all audit-related IRS communications and documentation for the entire duration of your property ownership.
Post-study support for your CPA or tax professional to seamlessly implement depreciation schedules into current or prior-year tax returns, ensuring your marina tax savings are fully realized.
Beyond cost segregation, Seneca identifies additional tax-saving opportunities across your marina portfolio, partnerships, and business assets—at no extra charge—to help you keep more of what you earn.

We assess your marina property's eligibility, evaluate depreciable assets—from boat slips and bulkheads to fuel docks and utility systems—and provide a transparent preliminary savings estimate and ROI projection at no cost to you.
See how marina property owners are saving hundreds of thousands in taxes with Seneca Cost Segregation.
Marina properties have unique and complex asset profiles—our engineering expertise ensures every depreciable component is identified and maximized.
Our engineers understand marina-specific assets—docks, boathouses, seawalls, and utilities—ensuring no depreciation opportunity is missed.
Licensed engineers deployed across all 50 states serve marina owners from coastal harbors to inland waterways with equal precision.
Every study includes our iron-clad IRS audit defense at no extra cost—protecting your marina investment for as long as you own it.
Over 10,200 studies completed with an average first-year deduction of $171,243 and a 95% client referral rate nationwide.
Real estate investors and engineers who understand your property inside and out.

Co-Founder and CEO
Dylan Scandalios is a seasoned real estate investor with a personal portfolio of multi-family properties in the Pacific Northwest. Before launching Seneca Cost Segregation, Dylan closed millions of dollars in business for both public and private companies along the West Coast, giving him a sharp understanding of investment returns and tax strategy. As Co-Founder and CEO, Dylan brings his hands-on investor perspective directly to every client engagement—ensuring marina owners and real estate investors receive cost segregation studies that genuinely maximize their tax savings. His practical knowledge of property ownership and his expertise in cost segregation have helped countless investors across the country save millions on their federal taxes, accelerate cash flow, and reinvest into their next property faster.

Co-Founder
Paul Spies brings a rare combination of military discipline and real estate mastery to Seneca Cost Segregation. As a Marine Corps Sergeant, Paul developed the leadership and resilience that define Seneca's culture. With over 8 years of expertise in real estate construction, a Principal Broker license, and a Licensed Contractor credential, Paul has successfully flipped over 150 homes in 4 years and led ground-up multi-family development projects from conception to completion. Paul began leveraging cost segregation in his own portfolio in 2018 and experienced firsthand the competitive tax advantage it provides. He co-founded Seneca to deliver those same benefits to fellow investors and property owners—including marina owners—at an affordable price point with reliable, on-time delivery.
Marina properties contain numerous short-life assets that qualify for accelerated depreciation, including boat docks and slips, floating docks, bulkheads, seawalls, fuel dispensing systems, electrical systems serving marina operations, lighting, security systems, paving, fencing, and landscaping. Structural building components like boathouses, repair facilities, and retail buildings are also analyzed and partially reclassified where eligible.
Speak with one of our cost segregation specialists for a free, no-obligation consultation.
Seneca Cost Segregation serves marina property owners across every state in the U.S. with on-site and virtual study options.
All 50 States
Service Area
10,200+
Studies Completed
95%
Client Referral Rate
We serve marina owners in all 50 states—virtually or on-site, on your schedule.
Certified Cost Segregation Professional credential from ASCSP
Perfect client satisfaction rating from marina and real estate owners nationwide
Proudly veteran-owned and operated with military-grade commitment to clients
Tell us about your marina property and we'll provide a free preliminary savings estimate and ROI analysis—no obligation, no upfront cost. Most marina owners are surprised by how much they can save.
For immediate assistance, feel free to give us a direct call at +1 530-797-6539 You can also send us a quick email at info@senecacostseg.com
For immediate assistance, feel free to give us a direct call at +1 530-797-6539 You can also send us a quick email at info@senecacostseg.com