Door County and Kewaunee Mortgages: Short-Term Rental Rules, Second Homes and Year-Round Buyers — Badger Cost Journal
Updated October 2026
A Sturgeon Bay residence, Sister Bay vacation property, and Algoma home intended for seasonal rentals should not be financed as though they serve the same purpose. Door and Kewaunee County buyers need to establish intended occupancy before comparing rates. Rental permission, insurance availability, and year-round access can change both the loan category and the property's practical affordability.
Define occupancy and rental plans honestly
A primary residence, second home, and investment property have different underwriting requirements. Do not assume occasional personal use makes a rental-focused purchase eligible for second-home financing. Tell the lender how often you expect to occupy the home and whether rental management agreements or advance bookings are involved.
Short-term rental rules depend on the actual municipality and property. Investigate zoning, licensing, inspections, occupancy restrictions, and any applicable association rules before removing contingencies. A listing described as rental-ready does not establish that approvals transfer to a new owner.
- Confirm which local authority regulates the address.
- Review private covenants separately from municipal permission.
- Obtain insurance covering the intended rental activity.
- Ask how documented rental income could qualify, if at all.
The Consumer Financial Protection Bureau provides a framework for comparing financing terms once the occupancy category is established.
Separate year-round assistance from vacation financing
For one-unit properties, the 2026 conforming baseline is $832,750 across all Wisconsin counties. Confirm property-unit limits through the FHFA Loan Limits. Wisconsin's 2026 FHA floor is $541,287, but FHA purchase financing generally requires principal-residence occupancy rather than a vacation-home strategy.
WHEDA Advantage Conventional and WHEDA Advantage FHA are worth exploring for eligible year-round owner-occupants, not as a shortcut to financing an investment rental. Easy Close can offer up to 6% as a 10-year second loan; Capital Access uses a $7,500 or 3% program structure with zero interest and deferred repayment. Review requirements with the Wisconsin Housing and Economic Development Authority.
Price the months when the home is empty
Budget for heating, snow removal, well or septic maintenance, management fees, and vacancy without assuming peak-season bookings will continue all year. Use the monthly payment calculator for financing costs, then add operating expenses separately.
The Lottery and Gaming Credit generally requires qualifying primary-residence occupancy, so a vacation buyer should not carry forward the seller's credit automatically. Wisconsin's traditionally seller-paid transfer fee is 0.30%; confirm allocation in the contract. Finally, use the closing cost estimator while preserving reserves for winter repairs and periods without rental revenue.
Compare Current Mortgage Rates
Compare current APRs, points, fees, and estimated monthly payments from participating lenders below.
Loan Program Comparison: 2026 Benchmarks
Door County and Kewaunee Mortgages: Short Term Rental Rules, Second Homes and Year Round Buyers — Choose a mortgage by comparing eligibility, upfront cash and total monthly costs, not the advertised rate alone. Conventional, FHA, VA and USDA serve different borrowers. Confirm county limits, taxes, insurance and lender requirements before comparing personalized Loan Estimates for your household.
Historical 2025 one-unit comparison: conforming $832,750; FHA floor $541,287. County and unit-count limits can differ.
| Loan program | Down payment / equity | 2026 one-unit baseline | Costs and page-specific comparison |
|---|---|---|---|
| Conventional | 3%–5% subject to eligibility | $832,750 | PMI generally below 20% down |
| FHA | 3.5% at 580+; 10% at 500–579 | $541,287 floor | 1.75% upfront MIP; 0.55% annual for >95% LTV, base loan ≤$726,200, term >15 years |
| VA | 0% for eligible borrowers | No VA limit with full entitlement | No monthly PMI; funding fee unless exempt |
| USDA | 0% for eligible borrowers | Income, address and repayment eligibility | Guarantee and annual fees; confirm current schedule |
| Jumbo | Lender-specific cash and reserves | Above applicable conforming limit | Lender-specific pricing and insurance |
| Home Equity / Refinance | Equity and underwriting dependent | Property and lender dependent | Compare closing costs, term and break-even |
Sources: FHFA limits; HUD FHA limits.
Editorial Methodology & Primary Sources
Verification date: Not recorded; check the primary source and lender timestamp before relying on an estimate.
Rate comparisons use participating lender feeds, not a whole-market survey or guaranteed offers. Freddie Mac PMMS is a market benchmark, not a personalized quote. Calculator models rely on published regulatory formulas and disclosed assumptions rather than fabricated first-person loan testing.
Monthly principal and interest use the amortization formula P × r / (1 − (1 + r)−n), where r is the monthly note rate and n is the number of payments; at zero interest use P / n. PITI adds monthly property taxes and homeowners insurance; PMI is separate. APR includes applicable finance charges under Regulation Z and is not the note rate used for payments. Compare lender Loan Estimates for actual APR and fees.
- Consumer Financial Protection Bureau (CFPB) — Loan Estimates, APR and borrower disclosures; Regulation Z.
- U.S. Department of Housing and Urban Development (HUD / FHA) — FHA program guidance.
- U.S. Department of Veterans Affairs (VA) — VA loan eligibility and benefits.
- Freddie Mac Primary Mortgage Market Survey (PMMS) — published rate benchmarks.
- U.S. Census state tax collections — state property tax benchmarks; confirm parcel-specific assessments and exemptions with the state revenue department and local assessor.
- Wisconsin Housing and Economic Development Authority — state housing finance and property tax authority.
- Wisconsin Department of Revenue — state housing finance and property tax authority.
The payment snapshot uses illustrative annual taxes of 1% of home price, $1,200 insurance and 0.5% PMI below 20% down, not verified local quotes. Other calculators disclose their inputs and assumptions. Published guidance and lender feeds may change independently; confirm current program rules, taxes and offers before a decision.