Guide to Buying a Waterfront Property

Q: What should a waterfront home inspection include?

Beyond the standard inspection, evaluate the seawall or shoreline stabilization, dock condition and permits, erosion evidence, drainage and grading toward the house, moisture intrusion, and the well and septic if present. In some cases a shoreline survey or geotechnical assessment is worth the cost. Water-adjacent structures fail expensively, so hire inspectors who know waterfront construction.

Written by Samantha SheltonNMLS 1647301Updated October 2026

Couple walking a private dock toward a lake house while buying waterfront property at sunset

Buying waterfront property means underwriting the water as carefully as the house, its quality and depth, the condition of the shoreline, erosion risk, the FEMA flood zone, and your legal right to use the water in front of you. The financing follows the water: Fannie Mae requires flood insurance on any loan secured by a property in a Special Flood Hazard Area, and if you’re buying the place as a second home, agency guidelines call for two months of reserves in the bank after closing, on top of your down payment and costs. The water moves more than buyers expect: NOAA puts the normal seasonal rise on the Great Lakes at 11 to 20 inches inside a single year.

Expect higher carrying costs than a comparable inland home. Learn more about buying a waterfront property, including how to evaluate the water itself, what the shoreline costs to own, and how riparian rights and dock permitting work.

Key takeaways:

The water matters more than the house: Evaluate water quality, depth, shoreline type and seasonal level changes before the view sells you on the Great Lakes, NOAA puts the normal seasonal rise at 11 to 20 inches inside a single year.
Carrying costs run higher than inland: Flood insurance is mandatory on a mortgage secured by a property in a FEMA Special Flood Hazard Area, and docks, seawalls and erosion control recur annually, plan on two months of reserves after closing if you’re financing it as a second home.
Rights and rules decide what you can actually do: Riparian rights and local permitting determine whether you can build a dock, harden the shoreline or control access. Confirm all three in writing before your inspection period closes.

What should you evaluate about the water itself?

Start with the water, not the kitchen. A waterfront home’s value and insurability are set by conditions no renovation can fix, so make this the first gate in your home buying guide sequence.

Water quality, depth and clarity

Depth at your own frontage is the most consequential number, and the one nobody volunteers. A lake can be 60 feet deep in the middle and 18 inches deep at your dock, which decides whether you can moor a boat, swim, or only look at it.

Depth at the dock: Measure at the frontage, not mid-lake, and ask what it drops to at late-summer low water.
Bottom composition: Sand, gravel, muck or weed beds change swimming, boating and how often you’ll pay for weed treatment.
Water quality history: Ask the lake association or county health department about algae blooms, swim advisories and invasive species. Recurring problems are documented, not rumored.
The drinking water source: Many waterfront parcels sit outside municipal service, so understand how well water impacts a home’s value before assuming the tap is someone else’s problem.

Shoreline type and erosion evidence

The shoreline is the most expensive component of the property and the one buyers inspect least. Walk the full frontage looking for exposed tree roots, a vertical soil cut at the water’s edge, slumping banks, and a seawall that leans or has separated at its joints. Sandy shorelines are mobile, rocky ones are stable, and marshy frontage is often protected and unbuildable. Each carries a different maintenance bill, and you are buying that bill.

Seasonal water levels and access

A photo taken in June tells you nothing about March. Ask where the high-water line has sat over the last decade, look for staining on the seawall and dock pilings, and find out whether the level is controlled by a dam or by nothing at all. For a broader orientation, a practical waterfront property buying guide is a reasonable second read.

What does waterfront property really cost?

Budget the water separately from the house. The shoreline, the insurance and the water-facing improvements form a second cost stack an inland home doesn’t carry, and the first item on it isn’t optional.

Flood insurance is a requirement, not a line item

If the property sits in a FEMA Special Flood Hazard Area, flood insurance is required for as long as you have the loan. Fannie Mae requires coverage whenever a loan is secured by a property in a Special Flood Hazard Area, a Coastal Barrier Resources System area, or an Otherwise Protected Area. Coverage must equal the lesser of 100% of the improvements’ replacement cost, the maximum NFIP coverage available, or the unpaid principal balance, and lenders may accept a private policy with terms at least equal to an NFIP policy.

Two consequences hit your budget. Most homeowners insurance does not cover flood damage, so this is a second premium, not a rider. And an escrowed flood premium counts in the payment your lender qualifies you on, lowering the price you can approve for. Pull the zone and quote the coverage in the same week: start at the National Flood Insurance Program, then read flood insurance: when and why you need it.

Homeowners coverage is priced for the exposure too, and some carriers decline waterfront risk outright, see how insurers price waterfront home coverage before assuming your current carrier follows you to the lake.

The rest of the waterfront cost stack

Get written estimates rather than internet averages. Waterfront work is priced by site access, permitting and linear footage, so two bids on the same shoreline routinely differ enormously.

Seawall or shoreline stabilization: The largest single exposure on most parcels. Ask its age, material and whether it was permitted, then price repairs during your inspection period.
Dock and hoist: Removal, reinstallation and decking replacement recur yearly. Confirm the dock was permitted. An unpermitted structure becomes your violation at closing.
Erosion control and drainage: Regrading, riprap and routing downspouts away from the bank. Water moving toward the house is the failure mode inspectors find most often.
Moisture and exterior wear: Humidity and wind-driven rain shorten the life of siding, windows and decks. Our vacation home maintenance tips cover the routine.
Association and lake dues: Weed control, dam maintenance and road upkeep are often funded by mandatory assessments. Ask for three years of budgets.

Riparian rights and regulations, explained

Owning land that touches water is not the same as owning the water, and the gap is where waterfront buyers get hurt. Riparian rights are the legal rights attached to land bordering a body of water, and what they include varies by state, by water body, and sometimes by the deed.

What riparian rights usually include

Generally, a riparian owner gets reasonable use of the water, access to it, and often a seasonal dock, but not exclusive control of the surface, ownership of the land beneath it, or the right to reshape the shoreline. Three details decide the rest.

Where your line actually ends: The property line may stop at the water’s edge, at an ordinary high water mark, or offshore. A survey answers this; a listing description does not.
Recorded easements: Back-lot owners or a neighbor may hold a deeded right to cross your frontage or share your dock. Order title work early and read the exceptions.
Bottomlands: In many states the land below the water is held in public trust, not owned by the adjacent homeowner, which is why dock and dredging work requires a permit.

Docks, seawalls and setback permits

Assume permits are required until someone shows you otherwise in writing. Shoreline structures, dredging, filling and vegetation removal are commonly state-regulated, with local zoning layered on top for setbacks and height limits. A grandfathered structure that gets damaged may have to be rebuilt to current rules.

Two documents settle most of this: copies of every permit issued for the dock and seawall, and a direct answer from the zoning office on what a replacement would require today. If the flood map is also in play, buying a home in a flood zone walks through elevation certificates and map amendments.

How lenders treat a waterfront purchase

Two things drive the loan: how you’ll occupy the property, and whether the appraiser can find comparable sales. Neither stops a waterfront file from closing, but both are reasons to settle financing before you write the offer.

Occupancy: primary, second home or investment

Occupancy sets the guidelines, and lake houses land in the category people misjudge most. Under Fannie Mae’s rules, a second home is restricted to one-unit dwellings, must be occupied by the borrower for some portion of the year, must be suitable for year-round occupancy, and must be under the borrower’s exclusive control. It cannot be a rental property or timeshare, or be subject to an agreement giving a management firm control over occupancy. Rental income doesn’t disqualify it, as long as that income isn’t used to qualify.

Read “suitable for year-round occupancy” twice, because it disqualifies a surprising number of seasonal cottages, no permanent heat, no winterized plumbing, or a private road nobody plows. Reserves matter too: Fannie Mae calls for two months’ reserves on a second home and six months’ on an investment property, and a second home carries a loan-level price adjustment. Our guide to buying a vacation home covers how occupancy gets documented.

Say you’re buying a $450,000 lake house as a second home. Two months of reserves means two full payments, principal, interest, taxes, homeowners insurance and any flood premium, documented in your account after closing, on top of down payment and closing costs. If that payment runs $3,100 a month, that’s roughly $6,200 to show.¹

The appraisal problem on waterfront comps

Waterfront appraisals are harder because comparable sales are thin, seasonal and rarely identical. Frontage width, water depth, view quality and shoreline condition carry value an inland comp can’t measure, so an appraiser working outside the lake market can miss badly. Ask for one familiar with the specific water body, and treat a low appraisal on a unique parcel as a negotiation rather than a verdict.

Because Align is a broker, we can move a waterfront file, seasonal cottage, large flood premium, thin comps, to the wholesale lender whose guidelines fit it, instead of one bank’s box.

Your pre-offer waterfront checklist

Run this list before your offer, or inside your inspection window at the latest. The last stretch where walking away is free.

Pull the FEMA flood zone and quote the coverage: Get a bind-ready flood quote on the exact address. A ballpark is not a quote.
Order a survey: Establish where the property line meets the water, confirm frontage width, and identify any easement crossing your shoreline.
Inspect the seawall: Hire someone who works on water, not a general inspector, and get repairs priced in writing.
Verify every dock and shoreline permit: Ask for copies, then confirm with the permitting office that what exists matches what was approved.
Confirm riparian rights in the deed and title commitment: Read the exceptions, not the summary, and have an attorney review anything unclear.
Test the well and inspect the septic: Water quality and flow, tank condition, and drainfield location relative to the water.
Get an insurance decision, not an estimate: Confirm a carrier will write both homeowners and flood policies on this address.

Waterfront sits alongside the other property types that reshape a loan file rather than kill it, the full set of buying strategies and situations covers how each changes an offer.

What Michigan buyers should know

Michigan is the waterfront state, with Great Lakes coastline plus thousands of inland lakes, and stricter rules than most buyers expect.

Water levels swing, seasonally and across years: NOAA puts the normal annual rise on the Great Lakes at 11 to 20 inches, and multi-year cycles stack on top. A seawall built for one decade’s levels may be undersized for the next.
High-risk erosion areas carry a permit requirement: Michigan designates portions of its Great Lakes shoreline as high-risk erosion areas, where a permit is required before erecting, installing or moving a permanent structure, homes, additions, decks and septic systems included.
Bottomlands and shoreline work are state-regulated: Land below the ordinary high water mark is held in public trust, and dredging, filling, seawall work and permanent docks on Great Lakes bottomlands and inland lakes generally require a state permit through EGLE. Confirm what exists was permitted before you inherit it.
Seasonal cottages meet the year-round occupancy rule head-on: Much of Michigan’s lake housing was built as summer property. No permanent heat, no winterized plumbing, or an unplowed road may mean it doesn’t qualify as a second home, the same issue that shapes buying a second home statewide.

How Align fits your buying strategy

Local real estate agents bring Samantha in for a second opinion when their buyer arrives preapproved somewhere else. She regularly finds a lower rate or less cash to close, whichever helps the buyer more.

That comes from the broker model. One application goes to multiple wholesale lenders, so your offer is built on the loan that fits your situation, not the only one a single bank sells. A 2024 Polygon Research analysis of federal mortgage data found broker borrowers paid about $10,662 less over the life of a $400,000 loan than borrowers at nonbank retail lenders.

Build your homebuyer game plan

Sources: Polygon Research, Loan Costs Channel Study 2024 (2023 federal HMDA data, 30-year fixed purchase loans; commissioned by United Wholesale Mortgage and Willow Canyon Advisors).

FAQ: Buying waterfront property

Here are answers to common questions about buying waterfront property.

Do you need flood insurance for waterfront property?

If the home sits in a FEMA-designated high-risk flood zone and you have a federally backed mortgage, yes. Flood insurance is mandatory. Even outside mapped zones it’s usually wise, because standard homeowners policies exclude flood damage entirely. Get a flood zone determination early and get a bind-ready flood insurance quote before your contingency expires, since premiums vary widely.

What are riparian rights?

Riparian rights are the legal rights of a property owner whose land touches a body of water, typically reasonable use of the water, access to it, and often the ability to install a dock. They vary by state and by water body. Before buying, confirm where your property line ends and whether easements give others access across your shoreline, the same title-level diligence flood-zone purchase due diligence demands.

What should a waterfront home inspection include?

Everything a standard inspection covers, plus the water-facing systems: the seawall or shoreline stabilization, dock condition and permits, erosion evidence, drainage and grading toward the house, moisture intrusion, and the well and septic where present. Water-adjacent structures fail expensively, so hire inspectors who know waterfront construction, and check the supply line, since well water affects a home’s value.

Is waterfront property a good investment?

It depends on the shoreline, not the view. Waterfront homes are scarce by definition and historically hold value well, but returns depend on managing erosion, flood exposure, fluctuating water levels and higher carrying costs. Stable shorelines with documented rights and sound stabilization tend to hold up; unresolved erosion or insurance problems can underperform. If the plan involves personal use, weigh it as a vacation home purchase first.

The bottom line on buying waterfront property

Buy the water, then the house. Evaluate depth at your frontage, shoreline condition and seasonal water levels, NOAA puts the normal annual rise on the Great Lakes at 11 to 20 inches, before the view decides for you. Flood insurance is required on a loan secured by a property in a Special Flood Hazard Area, and seawalls, docks and erosion control never stop billing. Financing it as a second home means two months of reserves after closing and a property suitable for year-round occupancy.

If you’re ready to buy waterfront property with the numbers in front of you, talk to Align Lending, we’ll shop your scenario across our lender network, including lenders comfortable with waterfront appraisals, flood zones and second-home financing. Call 248-506-5727 or start online today.

Footnotes:

Example figures are hypothetical and for educational purposes only; they do not constitute an advertisement of credit terms or a rate quote under federal or state lending laws. Your rate, reserve requirement, insurance premiums and terms depend on your application, the property and market conditions. Return to text

This article is for informational purposes only and is not legal, financial, insurance, or tax advice. Riparian rights, shoreline permitting and zoning rules vary by state, water body and municipality, consult a qualified attorney and the local permitting authority. Figures shown are illustrative, not a rate quote or an offer of credit. Align Lending is an independent Michigan mortgage broker and is not acting on behalf of, endorsed by, or sponsored by FEMA, the National Flood Insurance Program, Fannie Mae, or any government agency.