Gromatici Land Surveying, Inc - Los Olivos * Goleta * Atascadero Eric J. Ackerman, PLS CFedS - Owner 805-691-9112
Gromatici Land Surveying, Inc  -  Los Olivos * Goleta * AtascaderoEric J. Ackerman, PLS CFedS - Owner805-691-9112

Drones for Land Surveying

Photogrametric and LiDAR drones!  We can combine BOTH technologies to maximize the accuracy of both and save time and turn-around time. 


With our state-of-the-art drone, that has RTK onboard, and a D-RTK 2 base station, we can map ground data at a 0.1' level accuracy!  This is a great tool for surveying projects like topographic mapping.  If you have a project, where there isn't heavy tree canopies, and tall grass, then we should be able to use our drone to keep costs down vs. traditional methods of topographic surveying.  We can produce a color ortho-photo, contours, and linework.  


We will also be able to combine the data into one drawing if some features require a higher degree of accuracy that what the drone can provide, but use the drone for features like contours, fields, surrounding grades, roof top grades and imagery.  

commercial site.  Solvang, CA.


Give us a call, or email us for a free quote!


Projects that are good for a drone survey:



ADU and landscape design surveys

Topographic Surveys


Project best left to conventional methods:


Heavy tree and vegetation canopies

Dense, tall grass

Downtown skyscraper areas

Restricted airspace (such as near airports)  It's not impossible but they tend to take many weeks to get approval

ADA or Access (Handicap) design surveys

Building footprints needed for an addition.  We can supplement a drone survey with an on-the-ground survey however.


500 acre plus ranches should be flown using traditional photogrammetric methods since the cost differences start to break even. 

Small lots aren’t ideal unless you need to obtain adjacent grades well beyond the perimeter of the subject property.

Other considerations will be evaluated on a case-by-case basis.














Eric J. Ackerman, PLS is a Certified Federal Surveyor No. 1609. 


Eric is licensed in California, Arizona, Idaho, Nevada, and Colorado.


CA LS 8226

AZ RLS 69068

ID PLS 18767

NV PLS 26941

CO PLS 38714

UT PLS 2201


Licensed Drone Pilot


ALTA Surveys

Elevation Certificates/ Flood

Contact Us

To contact us, just call

(805) 691-9112 or complete the

Contact Form.




Los Olivos:  805-691-9112

2432 Railway Ave., Suite I

Los Olivos, CA 93441


Santa Barbara:  805-845-2133


Atacadero:  805-464-2592


Current Projects

Click here to find out what projects we are currently working on.

Helpful Links

Links to research and information.  Click here

Member of the Arizona Professional Land Surveyor's Association.
CLSA Member





Member of the Santa Barbara Contractor's Association.

Gromatici Land Surveying

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