The Port Huron–St. Clair Area is not one housing market. It is a cluster of 21 ZIP codes covering Port Huron, St. Clair, Pearl Beach, Fort Gratiot, China and other nearby communities. Borrowers searching for a Port Huron mortgage broker, home loan, first-time buyer program or refinance often see the same city names online, but the payment can change meaningfully from one ZIP or municipality to the next because taxes, insurance, property type and price point are different.
Why this territory deserves address-level mortgage planning
The territory’s data shows why a one-size-fits-all payment estimate does not work here. The weighted housing and income figures below come from the 2020–2024 American Community Survey inputs used in the Michigan ZIP territory strategy—not from a 2026 MLS sale-price report.
- Territory population: about 161,718
- Weighted median owner-occupied home value: about $232,168 (2020–2024 ACS-based territory estimate)
- Weighted median household income: about $71,705
- Homeownership rate: about 80.8%
- Estimated owner-occupied single-family homes valued at $205K+: about 28,661
- ZIP-level value spread: ACS median owner-occupied values range from about $160,900 in ZIP 48060 (Port Huron) to about $390,800 in ZIP 48028 (Harsens Island)
The market right now
Redfin reported a $154,807 median sale price in Port Huron for the three months ending May 2026, 0.6% lower year over year, with homes taking about 25 days to sell on average.
That city-level figure is useful for timing and negotiating context, but this territory contains multiple ZIPs. For financing, the specific address, appraisal comps, taxes and insurance matter more than the headline median.
What borrowers around Port Huron are likely to care about
Water changes the mortgage conversation in the Port Huron–St. Clair Area. A property that is near a Great Lake, an inland lake, a river, or a flood-prone shoreline can carry different insurance, appraisal and maintenance considerations than a similar house a few miles inland. For second homes or seasonal properties, occupancy classification also matters. I like to identify those issues before an offer is written so the financing structure matches the property.
This territory spans a lot of geography, so the property itself matters as much as the town name. Acreage, private roads, wells, septic systems, outbuildings and manufactured homes show up more often than they do in the core suburbs. Some addresses may also be worth checking for USDA rural-property eligibility. None of those features automatically prevents financing, but they can affect appraisal, insurance and program choice.
Lower acquisition prices can create opportunities here, but they also make property condition more important. A low purchase price does not help if the home cannot meet the selected loan program’s minimum property standards or if repair costs overwhelm the budget. Conventional renovation, FHA-compatible condition and cash-to-close should be discussed before targeting distressed or heavily dated homes.
Search questions worth answering before you make an offer
- Lakefront / waterfront: check flood zone, insurance availability, private roads and whether the property will be a primary residence or second home.
- Acreage / rural property: verify USDA address eligibility, well and septic acceptability, outbuildings and comparable-sale support.
- Fixer-upper / low-price homes: confirm property condition works for FHA, VA or conventional financing before making the offer.
- First-time buyer help: check current MSHDA MI Home Loan and MI 10K DPA eligibility for a home in Port Huron or the surrounding ZIPs.
- Refinance questions: compare rate-and-term, cash-out and mortgage-insurance removal against the cost and break-even period.
Michigan property taxes: estimate the buyer’s bill, not the seller’s
Michigan’s property-tax system is one of the most important pieces of payment planning. A seller may have owned the home for years while taxable value was capped. After a transfer of ownership, taxable value can uncap in the following calendar year. That is why I do not use the seller’s existing tax bill as the buyer’s future tax estimate. The better approach is to estimate taxable value from the purchase price, apply the actual local millage and confirm whether the home will receive a Principal Residence Exemption. In broad multi-county territories, the millage can change materially by township and school district even when two homes share the same mailing city.
First-time buyer and down-payment assistance options
MSHDA’s current MI Home Loan program is available to eligible first-time homebuyers statewide and repeat buyers in targeted areas. As of June 2026, MSHDA lists a statewide sales-price limit of $566,355, a minimum credit score of 640, and an MI 10K DPA loan of up to $10,000. Income limits, education, property rules and participating-lender requirements still apply. For a borrower near the program limits, I check eligibility before treating assistance as part of the offer strategy.
FHA can also be relevant in this territory. HUD’s 2026 nationwide one-unit FHA floor is $541,287, with county-specific limits that may be higher. VA, conventional and jumbo options may fit depending on borrower eligibility, loan amount and property type. In rural parts of Michigan, USDA eligibility is worth checking by exact property address rather than by city name alone.
ZIPs and communities in the Port Huron–St. Clair Area
The exact territory ZIPs are 48001, 48002, 48006, 48014, 48022, 48023, 48027, 48028, 48032, 48039, 48040, 48041, 48049, 48054, 48059, 48060, 48063, 48064, 48074, 48079, 48097. Community and township names are included as search references, but the ZIP list is the boundary source of truth. Township/county-subdivision references appearing in the assigned ZIP data include Clay, Algonac, Berlin, Greenwood, Kenockee, Mussey, Imlay, Almont, Emmett, Ira, Wales, Grant, Worth, Fremont, Cottrellville, Marine City, Marysville, Riley, Richmond, Memphis.
Community/search references: Port Huron, St. Clair, Pearl Beach, Fort Gratiot, China, Marysville, Kimball, Riley, Algonac, Berlin, Greenwood, Mussey, Capac, Emmett, Ira, Wales, Harsens Island, Grant Township, Cottrellville, Marine City, Memphis, Ruby, Lakeport, Columbus, Richmond.
Higher-priority ZIPs in the territory data
- 48079 — St. Clair: median owner-occupied value about $293,000; homeownership 82%
- 48001 — Pearl Beach: median owner-occupied value about $257,400; homeownership 86%
- 48054 — China: median owner-occupied value about $301,400; homeownership 86%
- 48059 — Fort Gratiot: median owner-occupied value about $221,700; homeownership 83%
Common mortgage questions in the Port Huron–St. Clair Area
Can I use Michigan down-payment assistance in Port Huron?
Potentially. MSHDA’s MI Home Loan is available to eligible first-time buyers statewide and to repeat buyers in targeted areas. The current MI 10K DPA offers up to $10,000, subject to income, credit, sales-price, education and participating-lender requirements.
Why can the seller’s property-tax bill be misleading?
Michigan taxable value is generally capped while someone owns a property, then can uncap after a transfer of ownership. That means the buyer’s future tax bill can be materially different from the seller’s current bill. I estimate taxes from the purchase price and local millage rather than simply copying the listing’s tax number.
Do you cover every ZIP in the Port Huron–St. Clair Area?
Yes. This page is built around the territory’s assigned ZIPs: 48001, 48002, 48006, 48014, 48022, 48023, 48027, 48028, 48032, 48039, 48040, 48041, 48049, 48054, 48059, 48060, 48063, 48064, 48074, 48079, 48097. A nearby city name can cross ZIP or municipal boundaries, so I use the property address to confirm the exact tax, county and program details.
Could a home near Port Huron qualify for USDA financing?
Some addresses may. USDA eligibility is property- and income-specific, so a city label alone is not enough. Rural outskirts and smaller communities are worth checking before assuming the answer is no.
Sources: Redfin Port Huron housing market · U.S. Census ACS 2024 5-year housing-value data · MSHDA MI Home Loan and MI 10K DPA · Michigan Treasury: changes in ownership and taxable-value uncapping · HUD 2026 FHA loan limits · USDA Rural Development Michigan housing programs
Program availability, loan limits, market data and property eligibility can change. Current figures should be rechecked for the specific borrower and property before application or offer.