St. Louis vs Koh Samui for First-Time Homebuyers (2026)
Scroll down for down payment requirements, savings timelines, and FAQ.
Full first-time buyer cost breakdown
| Metric | St. Louis Missouri | Koh Samui Surat Thani Province |
|---|---|---|
| Median home price | $230K | — |
| Price-to-income ratio | 4.3× | — |
| Down payment (20%) | $46,000 | — |
| Months to save down payment | 10 mo | — |
| Est. monthly mortgage (7%, 30yr) | $1,224 | — |
| Monthly utilities | $162 | $70Better |
| State income tax | 4.7% | NoneBetter |
| Sales tax (combined) | 8.6% | 7%Better |
| Overall COL index (100 = US avg) | 87 | 50Better |
Your biggest money opportunities based on this comparison.
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Mortgages
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Frequently asked questions
Is St. Louis or Koh Samui better for first-time homebuyers?
Based on home prices, price-to-income ratios, taxes, and overall affordability, Koh Samui scores better for first-time homebuyers. Koh Samui is approximately 43% cheaper overall. The best choice depends on your career, savings timeline, and long-term plans.
What is the down payment needed to buy in St. Louis vs Koh Samui?
Down payment data is not available for one or both cities.
What would my mortgage be in St. Louis vs Koh Samui?
Mortgage estimate data is not available for one or both cities.
How long would it take to save for a down payment in St. Louis?
Down payment savings timeline data is not available for one or both cities.
Which city has lower property and income taxes for homeowners?
St. Louis has a 4.7% state income tax rate vs Koh Samui has no state income tax. Property taxes vary significantly by neighborhood and assessed value — check local county rates when evaluating specific homes.
$75K in St. Louis has the same purchasing power as $43K in Koh Samui
Mortgage estimate assumes 20% down payment at 7% fixed rate, 30-year term. Actual rates vary. Down payment savings timeline assumes 15% of gross income saved monthly. Data: Zillow, BLS, Tax Foundation · Q1 2026