Active Listings
522
⇧ 11.5% vs 468 last year
Data as of March 2026. Source: Realtor.com.
The SAN MARCOS, TX real estate market (78666) currently shows 522 active listings, with 134 pending sales. Homes are averaging 114 days on the market before going under contract.
Inventory has increased compared to last year, with 54 more homes available — giving buyers more choice.
Homes are taking longer to sell, averaging 114 days on market compared to 52 days last year.
The median listing price has fallen 7.3% year-over-year, from $376,900 to $349,389.
Whether you are buying or selling in SAN MARCOS, TX, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
Population: 86,530 · Density: 173.7/mi² · Median household income: $52,432
Typical home value: $246,218 · Homeownership: 37.4%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 78666 | San Marcos, TX 78666 | 0.0 mi | 533 | $240,604,195 | $350,000 | $451,415 |
| 78656 | Maxwell, TX 78656 | 10.3 mi | 99 | $33,837,012 | $273,271 | $341,788 |
| 78622 | Fentress, TX 78622 | 14.1 mi | 2 | $1,549,000 | $774,500 | $774,500 |
| 78676 | Wimberley, TX 78676 | 15.0 mi | 181 | $185,527,715 | $655,475 | $1,025,015 |
| 78623 | Fischer, TX 78623 | 15.3 mi | 47 | $32,119,095 | $514,900 | $683,385 |
| 78133 | Canyon Lake, TX 78133 | 16.0 mi | 451 | $277,052,006 | $462,300 | $614,306 |
| 78661 | Prairie Lea, TX 78661 | 17.8 mi | 2 | $560,000 | $280,000 | $280,000 |
| 78652 | Manchaca, TX 78652 | 18.8 mi | 34 | $19,613,580 | $542,500 | $576,870 |
| 78123 | McQueeney, TX 78123 | 19.8 mi | 14 | $16,608,774 | $675,000 | $1,186,341 |
| 78737 | Austin, TX 78737 | 21.2 mi | 104 | $136,423,976 | $941,000 | $1,311,769 |
| 78747 | Austin, TX 78747 | 22.0 mi | 118 | $47,607,572 | $365,000 | $403,454 |
| 78648 | Luling, TX 78648 | 24.2 mi | 40 | $14,959,960 | $269,375 | $373,999 |
| 78124 | Marion, TX 78124 | 24.7 mi | 135 | $56,229,120 | $320,500 | $416,512 |
As of March 2026, there are 522 active listings in SAN MARCOS, TX (zip code 78666), compared to 468 the prior year.
The median listing price in SAN MARCOS, TX 78666 is $349,389 as of March 2026, a 7.3% decrease from $376,900 the prior year.
Homes in SAN MARCOS, TX 78666 spend an average of 114 days on the market before going under contract, compared to 52 days the prior year.
Based on current inventory and days-on-market data as of March 2026, SAN MARCOS, TX 78666 is currently a Buyer's Market. Inventory has increased compared to last year, with 54 more homes available — giving buyers more choice. Homes are taking longer to sell, averaging 114 days on market compared to 52 days last year.
With SELL123.com's maximum 3% commission, sellers in SAN MARCOS, TX 78666 save an estimated $6,988 compared to a typical 5% commission on the median listing price of $349,389. 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.