Broker of the Week: Dullnig Ranches Sells 4,571 Acres in South Texas

view of Arroyo Blanco Ranch in Zapata County, Texas

This column is part of a regular weekly series highlighting the largest land sales recorded each week through the Lands of America Comparable Sales program. To learn more and participate in the program, click here.

Congratulations to Robert Dullnig with San Antonio-based Dullnig Ranches/Kuper Sotheby’s for his sale this week of 4,571-acre Arroyo Blanco Ranch in Zapata County, Texas. The $4.25-million sale was recorded on June 21, 2018, through the Lands of America Comparable Sales program.

View property listing on Lands of America

Set atop a largely level landscape of native brush, the acreage offers habitat for wildlife including whitetail deer, turkey, quail, dove, javelina, hogs and various small varmints. A few rolling hills provide long-distance views, while both Salomoneo Creek and Arroyo Blanco are large drainages that traverse through the property and hold water during wet times. The sandy mott country terrain is prime for quail hunting.

Arroyo Blanco Ranch is only several miles east of the Rio Grande and U.S.-Mexico line. The ranch’s rolling, brush-covered terrain is characteristic of much of 1,058-square-mile Zapata County, which has an economy that’s dependent on natural gas, oil and ranching. Falcon Reservoir, covering the southern tip of the county, is not only an important water source for communities on both sides of the border but also a popular local fishing spot for species including bass, catfish and alligator gar.

View Robert Dullnig’s other properties for sale on Lands of America

The Lands of America Comparable Sales program is available to participating platinum and basic sellers through the Network’s Property Control Center. Click here for more information about participating in the Comparable Sales program.


  • Lands of America specializes in land for sale, which includes farms, ranches, mountain property, lake houses, river homes, beachfront homes, country homes and residential homes in smaller towns across the country. These properties have many diverse uses including recreational and agricultural activities like hunting, fishing, camping, backpacking, horseback riding, four wheeling, grazing cattle, gardening, vineyards, cropland and raising horses and other livestock.

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