Palmetto Passage · South Carolina Mortgage & Housing Research

Lexington, Irmo and Chapin Mortgages: Lake Murray Waterfront, School Taxes and Move-Up Loans — Palmetto Passage

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Updated October 2026

Moving from West Columbia or Cayce to a Lake Murray address can exchange a shorter commute for waterfront access, higher insurance costs and a different tax district. Lexington, Irmo and Chapin buyers should compare the entire property package: house, shoreline rights, school assignment, association obligations and the financing needed before their current home sells.

Waterfront value is more than the house

A dock, shared lake access or a waterfront lot does not automatically carry the same appraisal value. Confirm recorded access, dock permissions and maintenance responsibilities before treating listing language as a financing fact. A flood determination and property-specific insurance quote belong early in the process, even when the home sits well above the shoreline.

Property featureBudget question
Private dockWho maintains it, and is its use authorized?
Shared lake accessAre dues or special assessments required?
Waterfront structureWhat flood coverage does the lender require?

Use the monthly payment calculator with realistic insurance and dues rather than a generic county average.

School taxes and legal residence

Irmo and the Lake Murray area cross jurisdictional boundaries, so a mailing address alone does not establish the applicable millage or school district. Verify both against the actual parcel.

Under South Carolina’s Act 388 structure, an approved primary legal residence receives the 4% assessment ratio and full exemption from school operating taxes, but not necessarily school debt taxes. A vacation property generally receives the 6% ratio and no school operating exemption. Until a qualifying buyer’s application is approved, a 6% tax bill can often be 2.5 to 3.5 times the legal-residence bill. Review the framework through the South Carolina Department of Revenue.

Coordinate the move-up loan and sale proceeds

The 2026 one-unit conforming limit is $832,750 throughout South Carolina, as reflected in FHFA Loan Limits. Above that amount, compare jumbo financing with a larger down payment rather than assuming one approach costs less.

If your existing home remains unsold, qualifying may include both housing payments. Estimate available equity with the home equity calculator, then subtract selling expenses and any loan payoff. South Carolina’s deed recording fee equals $3.70 per $1,000 and is typically a seller expense. Coordinate both transactions with the supervising closing attorney so sale proceeds, payoff timing and purchase funds line up.

Compare Current Mortgage Rates

Compare current APRs, points, fees, and estimated monthly payments from participating lenders below.

Loan Program Comparison: 2026 Benchmarks

Lexington, Irmo and Chapin Mortgages: Lake Murray Waterfront, School Taxes and Move Up Loans — 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 programDown payment / equity2026 one-unit baselineCosts and page-specific comparison
Conventional3%–5% subject to eligibility$832,750PMI generally below 20% down
FHA3.5% at 580+; 10% at 500–579$541,287 floor1.75% upfront MIP; 0.55% annual for >95% LTV, base loan ≤$726,200, term >15 years
VA0% for eligible borrowersNo VA limit with full entitlementNo monthly PMI; funding fee unless exempt
USDA0% for eligible borrowersIncome, address and repayment eligibilityGuarantee and annual fees; confirm current schedule
JumboLender-specific cash and reservesAbove applicable conforming limitLender-specific pricing and insurance
Home Equity / RefinanceEquity and underwriting dependentProperty and lender dependentCompare 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.

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.