Waterfront home ownership cost calculator

Waterfront homes often carry costs that inland homes do not. Enter the figures you have from quotes, the listing, the association and your own plans. Leave a line blank if it does not apply: not every property needs every cost.

This planner does not estimate or quote anything. Flood and wind insurance prices depend on the specific building and policy: ask a licensed insurance agent for a quote. If the HOA or condo fee already pays for something (master insurance, dock maintenance, a seawall reserve), tick the box on that line so it is not counted twice.

Mortgage principal and interest

Per

Property tax

Per

Homeowners insurance

Per

Already covered by the HOA, condo fee or lot rent (shown, not added again)

Flood insurance

Per

Already covered by the HOA, condo fee or lot rent (shown, not added again)

Wind or windstorm coverage (where sold separately)

Per

Already covered by the HOA, condo fee or lot rent (shown, not added again)

HOA or condo association fee

Per

Lot rent (manufactured home communities)

Per

Dock, slip or mooring fees

Per

Already covered by the HOA, condo fee or lot rent (shown, not added again)

Shoreline, seawall or bulkhead reserve

Per

Already covered by the HOA, condo fee or lot rent (shown, not added again)

Dock and boat lift maintenance

Per

Already covered by the HOA, condo fee or lot rent (shown, not added again)

General home maintenance

Per

Already covered by the HOA, condo fee or lot rent (shown, not added again)

Utilities (power, water, sewer or septic service)

Per

Already covered by the HOA, condo fee or lot rent (shown, not added again)

Seasonal services (winterizing, dock in and out, storm prep)

Per

Already covered by the HOA, condo fee or lot rent (shown, not added again)

Where to get real numbers

Flood insurance: an insurance agent who writes National Flood Insurance Program or private flood policies. A flood zone on a map is not a premium.
Wind or windstorm coverage: in some coastal states this is a separate policy or a separate deductible. Ask the same agent.
HOA, condo fees and reserves: the association's budget, reserve study and any special assessments, through the listing agent.
Dock, slip or mooring fees and transfer rules: the association, marina or permitting authority.
Shoreline and seawall work: a marine contractor's inspection and estimate.

Then run the purchase side through the mortgage calculator and work through the due-diligence checklist.