Alterra Design Group is a land planning and development consulting firm primarily serving the Texas market. We provide land planning and litigation support with an emphasis on regulatory approvals and eminent domain.

Alterra Design Group combines expertise in landscape design and land planning with a wealth of knowledge of Texas land development practices. Our qualified planning staff blends innovation and contemporary thinking with traditional best practices to create the highest quality land planning and development solutions.



Alterra Design Group's land planners have worked with designers, planners and engineering professionals across the United States on a variety of different projects. Projects ranging in scope from residential landscape design to mapping shoreline erosion across the 370 miles of the Texas Gulf Coast. Our clients are from both the public and private sectors representing local firms, universities, and state organizations.

We work closely with our sister company, Paul Hornsby & Company, which specializes in eminent domain, ad valorem tax, construction defects, and general commercial valuation. Paul Hornsby & Company also provides counseling services. Typical assignments include right of way and easement projects, tax appraisals for property owners and appraisal districts, and litigation support.




512. 225. 9227 | main
512. 477. 1793 | fax


7600 N Capital of Texas Highway
Building B, Suite 210
Austin, TX 78731