Business Details
29 Years
experience
Professional Land Surveying Services in Corona, CA
Cornerstone Land Surveying is a licensed, insured, and Christian-owned small business established in 1997 and based in Corona, California. Our team of three licensed surveyors brings over 75 years of combined experience in development and capital improvement projects, utilizing state-of-the-art Trimble Robotic and GPS equipment to deliver precise, cost-effective solutions. We specialize in ALTA surveys, boundary surveys, construction staking, and subsurface utility scanning, serving clients with a commitment to honesty, integrity, and technical excellence. Our principal holds dual licenses as a Civil Engineer and Land Surveyor, along with contracting credentials, ensuring projects meet exacting standards.We prioritize client satisfaction through advanced technology, transparent communication, and a faith-driven approach to service. With a proven track record spanning decades, we have become a trusted partner for homeowners, developers, and contractors seeking reliable surveying expertise. Our mission is to empower clients with accurate data and innovative solutions while maintaining the highest ethical standards in every project.
Services
ALTA Surveys
Boundary Surveys
Construction Staking
GPS Control Surveys
Photogrammetry
Utility Research
Topographic Surveys
Subsurface Utility Scanning
Potholing Services
Details
- Year established: 1997
Highlights and features
- We have 75+ years of combined experience in land surveying.
- Our team uses Trimble GPS technology for accurate results.
- Three licensed surveyors ensure compliance with industry standards.
- Faith-driven service with a focus on client trust and satisfaction.
- Proven expertise in complex development and infrastructure projects.
What people say
Exceptional service
Cutting-edge technology
Responsive and thorough
Precision and dedication
Seamless project execution
Services
ALTA Surveys
ALTA surveys provide standardized boundary determinations for commercial properties, meeting lenders' and title companies' requirements. Our team uses advanced GPS technology to ensure compliance with national standards. Clients benefit from precise legal documentation and risk mitigation for real estate transactions.
Construction Staking
We deliver accurate staking for infrastructure and building projects, ensuring alignment with approved plans. Our licensed engineers verify utility placements and structural layouts. Clients receive cost-effective solutions that prevent costly rework during construction phases.
Subsurface Utility Scanning
Using ground-penetrating radar and electromagnetic methods, we identify hidden utilities without excavation. This service prevents damage during excavations and ensures safety compliance. Clients gain actionable data to plan projects confidently near underground infrastructure.
Photogrammetry
We create detailed topographic maps and orthophotos for large sites using aerial imaging. This service provides scalable digital data for engineering designs. Clients receive fast, accurate deliverables that streamline project planning for properties over five acres.
Potholing Services
Our non-destructive potholing confirms utility locations using air vacuum technology. This service ensures safe digging near critical infrastructure. Clients benefit from reduced risk of service interruptions and compliance with subsurface safety regulations.
People
Stefan C. Lanthier
President
Stefan has led Cornerstone Land Surveying since 1997, combining 25+ years of surveying expertise with Christian values. As a licensed Civil Engineer, Land Surveyor, and contractor, he ensures technical excellence and ethical service for every client.
Questions
What surveying services do you specialize in?
We specialize in ALTA surveys, boundary surveys, construction staking, subsurface utility scanning, and photogrammetry for residential and commercial clients.
How long has your company been in business?
Cornerstone Land Surveying has served clients since 1997, providing 25+ years of expertise in land surveying solutions.
Do you use modern surveying technology?
Yes, we utilize Trimble GPS equipment and ground-penetrating radar to ensure precise, efficient results for every project.
Are your surveyors licensed and insured?
All our surveyors are fully licensed and insured, with three professionals bringing over 75 combined years of experience.
Can you handle large-scale infrastructure projects?
Yes, our team has extensive experience in complex development and capital improvement projects for public and private sectors.
