Data as of September 2026. Source: Realtor.com.
The CASTROVILLE, TX real estate market (78009) currently shows 140 active listings, with 33 pending sales. Homes are averaging 100 days on the market before going under contract.
Inventory has tightened compared to last year, with 21 fewer active listings — creating more competition among buyers.
Homes are taking longer to sell, averaging 100 days on market compared to 81 days last year.
The median listing price has risen 0.8% year-over-year, from $588,400 to $593,173.
Population: 9,202 · Density: 50.4/mi² · Median household income: $98,732
Typical home value: $320,152 · Homeownership: 84.4%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 78009 | Castroville, TX 78009 | 0.0 mi | 128 | $75,738,880 | $574,990 | $591,710 |
| 78066 | Rio Medina, TX 78066 | 8.9 mi | 11 | $7,420,809 | $476,990 | $674,619 |
| 78245 | San Antonio, TX 78245 | 9.4 mi | 740 | $235,006,240 | $294,475 | $317,576 |
| 78252 | San Antonio, TX 78252 | 11.4 mi | 309 | $83,908,332 | $267,950 | $271,548 |
| 78056 | Mico, TX 78056 | 12.7 mi | 24 | $18,294,024 | $775,000 | $762,251 |
| 78016 | Devine, TX 78016 | 13.0 mi | 60 | $31,143,060 | $339,000 | $519,051 |
| 78227 | San Antonio, TX 78227 | 14.9 mi | 123 | $24,803,319 | $205,050 | $201,653 |
| 78250 | San Antonio, TX 78250 | 16.3 mi | 195 | $49,149,165 | $250,000 | $252,047 |
| 78861 | Hondo, TX 78861 | 16.8 mi | 52 | $23,348,000 | $403,000 | $449,000 |
| 78238 | San Antonio, TX 78238 | 17.6 mi | 94 | $25,137,480 | $249,900 | $267,420 |
| 78226 | San Antonio, TX 78226 | 19.1 mi | 6 | $974,400 | $162,250 | $162,400 |
| 78211 | San Antonio, TX 78211 | 19.4 mi | 82 | $16,675,684 | $215,999 | $203,362 |
| 78228 | San Antonio, TX 78228 | 20.0 mi | 131 | $30,414,925 | $220,750 | $232,175 |
As of September 2026, there are 140 active listings in CASTROVILLE, TX (zip code 78009), compared to 161 the prior year.
The median listing price in CASTROVILLE, TX 78009 is $593,173 as of September 2026, a 0.8% increase from $588,400 the prior year.
Homes in CASTROVILLE, TX 78009 spend an average of 100 days on the market before going under contract, compared to 81 days the prior year.
Based on current inventory and days-on-market data as of September 2026, CASTROVILLE, TX 78009 is currently a Balanced Market. Inventory has tightened compared to last year, with 21 fewer active listings — creating more competition among buyers. Homes are taking longer to sell, averaging 100 days on market compared to 81 days last year.
With SELL123.com's maximum 3% commission, sellers in CASTROVILLE, TX 78009 save an estimated $11,863 compared to a typical 5% commission on the median listing price of $593,173. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.