About Us

Licenced Land Surveyors

 GGI provides a complete range of survey  and mapping services for land development, public works and private  sector. With our state-of-the-art technology and decades of experience,  we can provide highly accurate and cost-effective solution for your  development needs. 

Modern & Dynamic

GGI's dedication to quality extends to our use of UASs, and photogrammetry. We remain one of the few firms where our pilots are not only FAA "Part 107" certified, but also California licensed land surveyors. Our use of powerful software tools, and custom computing solutions ensures prompt turn-around time.

Prompt and Reliable

 We are dedicated to completing our  clients' projects to the highest level of approval along with the  highest degree of customer satisfaction. That's why we send our clients  regular e-mail updates on their project status - so they know the job is  going to be completed on schedule and on budget. Our work processes are  geared toward our clients - which is why we're one of the most trusted  names in our field. We focus on efficiency and consistency in order to  meet the needs of the project and Client.  Our current survey and GPS  equipment is state of the art, providing accurate and professional  reporting. 



  •  GPS Survey
  • Monitoring Survey
  • Boundary Survey
  • ALTA Survey
  • Topographic Survey
  • Construction Layout
  • Aerial Topography
  • Design Survey
  • Control
  • Drone Imagery


  • Tract Maps
  • Parcel Maps 
  • Record of Survey
  • Corner Records
  • Lot Line Adjustments
  • Certificate of Compliance
  • Lot Mergers
  • Certificate of Compliance
  • Legal Descriptions

Contact Us


1251 Pomona Road, Suite 101, Corona, CA 92882

GGI Surveying & Mapping
Lenny Guyett P.L.S.
Office: (951) 340-0556 ex 11
Cell: (951) 741-2586
Email: lg@ggisurvey.com
Mike Navarro P.L.S.
Office: (951) 340-0556 ex 13
Cell: (714) 309-3760
Email: mn@ggisurvey.com


Monday - Friday: 7am - 4pm

Saturday - Sunday: Closed