What Your Money Actually Buys In South Haven: The Boundary Line, The Tax Reset, And The STR Class You Qualify For

A South Haven listing sheet shows one number. The carrying cost of that same house can vary by thousands of dollars a year depending on which side of a municipal line it sits on, whether you plan to live in it, and which short-term rental license the address is eligible for. Buyers comparing lakeside towns usually skip past those questions and go straight to the median. That is where the surprises start.

The list-side picture as of August 2026 has the South Haven median list price at $549K with a typical listing sitting 74 days on the market. Sold data tells a sharper story: the Southwestern Michigan Association of REALTORS® reported the South Haven 49090 single-family median at $527,750 in February 2026, a 21 percent jump from a year earlier, on only 8 closed single-family sales versus 17 the prior February. Fewer transactions, higher prices, a widening waterfront and non-waterfront gap. The rest of this post is about the mechanisms hiding behind those numbers.

The line that changes the math

Before you write an offer, find out whether the parcel is inside the City of South Haven or inside South Haven Charter Township. The two jurisdictions run separate short-term rental programs with different definitions, different license classes, and different operational rules. The same house, moved a quarter mile across the boundary, can shift from a Class II city license to a township registration with an entirely different rental calendar.

Inside the city, the Short-Term Rental program operates under Article V, Chapter 14 of the code, as amended by Ordinance 1097. Two license classes exist:

• Class I allows unlimited rental stays but caps activity at no more than two rental stays per any seven-day period, and requires proof of $1,000,000 in liability insurance at application.
• Class II limits use to six rental terms or 28 rental days per calendar year, with rental dates provided to the STR Program Coordinator before guests arrive.

The city also enforces a housing-stock cap: one STR permit for every four housing units, or 20 percent of total housing stock. That ceiling is the reason a seller's active license is worth diligence, not assumption. All Article X registrations under the 2018 ordinance expire on or before 5/1/2026, and to work through a zoning-compliance backlog the City Council authorized staff to issue conditional STR licenses for the 2026 season beginning 3/27/2026. If your target property's license has not been renewed under Article V, you are buying a house, not a business.

Across the boundary in the Township, the amended ordinance (Ordinance 168) applies to single-family dwellings and defines a short-term rental as a stay of at least 3 nights and no more than 27 nights, with only one rental term allowed to begin in any Sunday-through-Saturday calendar week. Maximum occupancy is the lesser of 12 total occupants or two per bedroom plus two per finished story. Owners whose primary residence sits more than 45 miles from the property must appoint a designated local agent. Proof of $1,000,000 liability insurance is required.

The practical effect is that a City Class II license and a Township registration produce very different revenue models on identical floor plans. A buyer running spreadsheet math off a booking-platform average without confirming class or jurisdiction is modeling a business that may not be legally operable at that address.

What the 2026 numbers actually say

The headline story in South Haven this year is a divergence: fewer sales, higher prices, waterfront pulling away from non-waterfront. SWMAR's monthly reports have been consistent on the shape of the market. Single-family sales in South Haven 49090 dropped 53 percent in February 2026 versus February 2025 (8 versus 17), while the average selling price rose 19 percent to $615,375 and the median climbed 21 percent to $527,750. April 2026 continued the pattern, with fewer single-family sales in the zip code and prices still climbing across Southwest Michigan. Inventory has stayed tight, and distressed sales are historically low.

For a second-home buyer, the interpretation matters more than the number. Rising medians on falling volume usually mean the mix has shifted toward higher-priced, better-located, or waterfront stock actually closing, while marginal listings sit. That is consistent with a 74-day median time on market as of August 2026: patient sellers, patient buyers, and offers that get real only when the property is right. It is not the environment for a lowball offer on a Bailey Avenue in-town cottage priced around the low $300s, and it is not the environment for skipping a waterfront comp study on anything within walking distance of the harbor.

The tax bill the seller pays is not the tax bill you pay

Michigan's property tax structure has two features that catch second-home buyers off guard, and both of them apply in South Haven.

The first is the Principal Residence Exemption. Under Michigan law, an owner-occupied primary residence is exempt from up to 18 mills of local school operating tax. A second home does not qualify. In the City of South Haven, the state's 2023 published millage tables put the total homestead rate at 42.0584 mills and the non-homestead rate at 60.0584 mills for parcels in the South Haven Public Schools district. On a home with a $250,000 taxable value, that 18-mill delta is roughly $4,500 in additional annual tax on a second home versus a primary residence at the same taxable value. The Michigan Department of Treasury publishes the program details, and the PRE affidavit must be filed by June 1 to apply to the summer tax levy or by November 1 for the winter levy.

If you are relocating and plan to make South Haven your primary residence while your former Michigan home is still on the market, the Conditional Rescission (Form L-4640) allows you to keep the PRE on the old home for up to three tax years, provided it stays vacant, listed, and unleased. That is a planning tool worth raising before closing, not after.

The second feature is taxable-value uncapping. Article IX of the Michigan Constitution, as amended by Proposal A, caps annual growth in a parcel's taxable value at the lesser of CPI or 5 percent while a single owner holds it. For tax year 2026, the state inflation multiplier is 1.027. When the property sells, that cap lifts, and the new taxable value resets, typically to 50 percent of the purchase price effective January 1 of the year following closing. The seller's current tax bill is the product of years of capped growth on a low taxable value. Yours will not be. Ask your assessor's office for a projected uncapped figure on any property you are serious about, and run the second-home math at that number with the non-homestead millage.

The STR class you qualify for is not always the one you want

The city's 1-to-4 housing-stock cap and the conditional-license period beginning 3/27/2026 combine to make license status a diligence item on par with a roof inspection. A few practical points to work through with your agent and the City of South Haven Building Services office before an offer becomes binding:

• Confirm the license class currently attached to the parcel and whether it can transfer to a new owner under Article V. Article X registrations are winding down.
• Ask whether the property is inside the STR overlay the city has mapped, and whether special land-use approval would be required for a new STR at that address if the current license does not transfer.
• If the parcel is in the Township, confirm the calendar math. One rental term per week, minimum three nights, maximum 27, is a very different revenue curve than a Class I city license permitting up to two stays every seven days.
• Budget the compliance stack: $1,000,000 liability insurance, bi-annual city inspections under Article V, Township septic inspection every three years where public sewer is not available, and a designated local agent if you live more than 45 miles away.
• Confirm state tax registration with the Michigan Department of Treasury for use or sales tax on stays under 30 days, and check with the Van Buren County Treasurer on any local lodging assessments.

Model revenue with two scenarios: your base case, and a shoulder-and-off-season case that trims occupancy and average daily rate by 10 to 20 percent. If the deal still works at the lower numbers, you have a plan. If it only works at the high number, you have a hope.

A short FAQ

Can I live in the house part of the year and rent it the rest of the year? Yes, subject to the license class you qualify for. Inside the city, a Class II license limits you to six rental terms or 28 total rental days per calendar year, which fits a personal-use owner who wants to offset costs. In the Township, a single rental term per calendar week with three-to-27-night stays is the framework. Neither one supports an all-summer rotation the way an unrestricted Class I license can.

Will the property tax bill on the listing sheet be my tax bill? Almost certainly not. Michigan uncaps taxable value at sale, and if the property is a second home you also lose the 18-mill Principal Residence Exemption. Both effects push the bill upward from what the seller currently pays.

Does buying a South Haven home count as my Michigan principal residence if I own another home in the state? Only one PRE per household statewide. If you keep your primary home elsewhere, the South Haven property does not qualify for the exemption, and its tax bill will reflect the full non-homestead millage.

How long do South Haven homes take to sell right now? List-side data as of August 2026 shows a 74-day median time on market, with SWMAR reporting a sharp drop in single-family transaction count and continued price strength in February and April 2026. Well-positioned properties are moving. Marginal ones are sitting.

South Haven rewards buyers who treat the boundary line, the license class, and the tax reset as first-order questions rather than closing-week discoveries. If you would like a parcel-level read on any of those before you write an offer, Benny Wesley at The Wesley Group can walk the address, the jurisdiction, and the numbers with you. Contact Benny.