Hersey, Aerni and Associates is a surveying firm with a primary experience in surveying for public and private clients.  During the past 30 years, our key  personnel have participated in the surveying and construction of more than 1500 projects with construction costs exceeding two billion dollars.  Our staff includes surveyors and support personnel.  Our senior staff have successfully  completed projects both as a prime consultant and as a subconsultant.  Having participated on many major projects, our key personnel are experienced in working closely with project team members, contractors, consultants and agencies.  Our staff is familiar with the requirements of local, state and federal agencies.


Our goal is complete client satisfaction. The key is experienced staff commitment, responsiveness and open communication. We are proud of the fact that we have consistently met time schedules on projects our key personnel have completed for local, state, and federal agencies.


Primary Services:

Boundary Surveys - Right of Way - Surveying & Mapping

Topographic Surveys - Legal Descriptions    

Construction Staking - Condominium Plats - ALTA Surveys

To contact us:

5025 S. Ash Ave., Suite B-3

Tempe, AZ 85282

Phone: 480.897.0018

Fax: 480.897.9688

E-mail: hjohnson@herseyaerni.com


State of Arizona Board of Technical Registration

Registration No. 12492-0




Errors & Omissions-$1,000,000

General Liability-$1,000,000


Type of Ownership/Legal Structure

Limited Liability Company, Date Established:  2004