GUIDA is a certified Small Business Enterprise and Woman-owned Professional Land Surveying company with office locations throughout California. Founded in 1995 as a family-owned business, we have grown to a staff of roughly 100 employees, of which 13 are Professional Land Surveyors licensed to practice in the State of California. Our survey crews utilize the latest in conventional survey, mobile and terrestrial LiDAR, heavy-lift drones/UAV, and GPS technologies to accurately perform a variety of land surveying projects, while maintaining quality, accuracy, and tight schedules. 

Our services support public and private projects throughout the state. With a high return rate of satisfied clients, we continue to offer the latest industry technology with traditional company values.  Whether its 20-miles of freeway, or a parking lot, or everything in between, we’re confident you’ll be pleased with our services. Land Surveying is our business, and we’re proud to say we do it well.

OUR MISSION | To excel at providing quality professional services for the benefit of all clients while developing and maintaining a quality work environment that models strong family values.

OUR VISION | Leading the survey profession in exceptional opportunities through innovation, leadership and quality services to inspire greatness!

OUR LOCATIONS
Bay Area  |  4695 Chabot Dr, Suite 115, Pleasanton, CA 94588
Central Valley  |  550 W. Alluvial Ave, Suite 109, Fresno, CA 93711
Inland Empire  |  3536 Concours St, Suite 201, Ontario, CA 91764
Orange County (Headquarters)  |  220 Commerce, Suite 150, Irvine, CA 92602
San Diego County  |  380 State Place, Escondido, CA 92029


Construction

Geospatial

GUIDA

GUIDA's headquarters in Irvine, CA, United States

Ralph Guida IV

Lenny Reidling

Lisa Spivak

Bernie McInally

The Leadership Team at GUIDA is responsible for setting the strategic direction, fostering innovation, and ensuring operational excellence across the company. Comprised of key executive members, they oversee major business functions such as company growth, regional operations, business development, and strategic initiatives. Their mission is to uphold the company's values of quality and family, while driving forward GUIDA’s vision of becoming a leader in the professional land surveying industry.

Leadership Team

The Surveying Team at GUIDA is responsible for delivering precise and reliable land surveying services using state-of-the-art technologies such as conventional survey methods, mobile and terrestrial LiDAR, heavy-lift drones/UAVs, and GPS. Comprising roles like Survey Technician, Project Surveyor, and Land Surveyor, this team works on a variety of projects, from large infrastructural developments to small-scale land assessments. Their expertise ensures that all public and private projects meet high standards of quality and accuracy within tight deadlines, maintaining client satisfaction across California.

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GUIDA

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GUIDA

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Teams

Leadership Team

Surveying Team

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