78670 — Guadalupe County, Texas Market Snapshot
Housing market data for zip code 78670 in Guadalupe County, Texas. Updated monthly with median prices, days on market, and more.
Limited Sales Data
Only 1 home sold in this ZIP code during the selected period. Statistics may not be representative. See the Guadalupe County county page for broader data.
Market Sales Data
1 sales in 2025
Median Sale Price
$1,325,000
Days to Sell
244
Homes Sold
1
Inventory
N/A
Jumbo Loan Likely Needed
The median home in 78670 at $1,325,000 exceeds the 2026 conforming loan limit of $832,750 by $492,250. Most buyers here will need jumbo loans, which typically require higher credit scores, larger down payments, and come with different rate pricing.
Market Insights
Market Temperature
With homes sitting for 244 days on average, 78670 favors buyers. There may be opportunities to negotiate below asking price or request seller concessions for closing costs or rate buydowns.
Conforming Loan Feasibility
The median home in 78670 at $1,325,000 exceeds the 2026 conforming loan limit of $832,750 by $492,250. Most buyers here will need jumbo loans, which typically require higher credit scores, larger down payments, and come with different rate pricing.
Loan limits in 78670 are set at the county level.
2026 Loan Limits — Guadalupe County
| Property Units | Conforming Limit | FHA Limit |
|---|---|---|
| 1 Unit | $832,750 | $557,750 |
| 2 Units | $1,066,250 | $714,000 |
| 3 Units | $1,288,800 | $863,100 |
| 4 Units | $1,601,750 | $1,072,600 |
Affordability Snapshot — Zip 78670
To purchase the median home at $1,325,000 with 5% down at today's rate of 6.75%, the estimated monthly payment is approximately $10,302.
Monthly Payment
$10,302
Income Required
$441,503
Principal & Interest
$8,164/mo
Down Payment (5%)
$66,250
Based on 30-year fixed at 6.75%, 1.8% property tax, $1,800/yr insurance, 28% DTI guideline.
Mortgage Calculator
Estimate your monthly payment for a home in 78670.
Estimated Monthly Payment
$8,350
Jumbo loan required. Loan amount exceeds the $832,750 conforming limit for 78670.
Connect with a LoanGraphs Loan Officer
Get expert guidance for zip code 78670. Tell us what you're looking for.