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Your Trusted Land Surveyors in Petaluma, CA
1031Survey is a professional land surveying company rooted in a legacy of precision and innovation. Our expertise lies in delivering high-definition surveying solutions using advanced 3D laser scanning and LiDAR technology. With decades of combined experience, we specialize in topographic and boundary surveys, ensuring unparalleled accuracy for every project. Our founder, GJ Harmina, PLS, has pioneered the integration of terrestrial LiDAR in the Bay Area since 2007, establishing workflows that eliminate the need for revisits to project sites. Our maps, derived from billions of scan points, provide the most detailed base layers for site planning and design.

We serve clients across Sonoma County and the broader Bay Area, prioritizing technical excellence and client satisfaction. Our reputation for reliability and technical proficiency has been built over 25 years of surveying experience. We remain committed to advancing our methods while maintaining the highest standards of professionalism. Our work empowers clients to execute projects with confidence, knowing every detail is captured comprehensively. This dedication to precision and innovation continues to drive our success.
Services
Topographic Surveying Boundary Surveying ALTA/ACSM Surveys UAV Mapping Terrestrial LiDAR Site Planning Maps Commercial Property Surveys Subdivision Surveys Aerial Photography High-Definition Scanning
Highlights and features
  • We offer 25 years of experience in professional land surveying.
  • Our team pioneered LiDAR integration in the Bay Area.
  • We guarantee no site revisits due to missing information.
  • Our maps utilize billions of scan points for unmatched detail.
  • We focus on technical excellence and client-specific solutions.
Services
Topographic Surveying
We create detailed topographic maps that serve as foundational tools for site planning and design. Our surveys include structures, contours, utilities, and natural features. Advanced LiDAR technology ensures unmatched accuracy for residential and commercial projects.
Boundary Surveying
Our boundary surveys resolve property lines with precision, critical for Bay Area landowners. We use metes and bounds descriptions and historical records to establish legal corners. This service ensures clarity for subdivisions, lot divisions, and property transactions.
ALTA/ACSM Surveys
We conduct ALTA/ACSM land title surveys for commercial property transactions. These detailed surveys meet national standards and include Table A items specified by lenders or owners. Our work provides legal certainty for real estate deals.
Terrestrial LiDAR
Our LiDAR technology captures billions of data points to create high-resolution 3D models. This method eliminates the need for revisiting sites, reducing costs and timelines. It's ideal for complex projects requiring millimeter-level accuracy.
UAV Mapping
We use drones for cost-effective aerial mapping and photography. UAVs provide safe, high-quality imagery for property assessments and project documentation. This service complements ground-based surveys with overhead perspectives.
People
GJ Harmina
Founder
GJ Harmina, PLS, has 25 years of surveying experience. He pioneered LiDAR adoption in the Bay Area and specializes in high-definition mapping. His technical expertise ensures precise, efficient solutions for complex land projects.
Questions
What services does 1031Survey offer?
We provide topographic surveys, boundary surveys, ALTA/ACSM title surveys, LiDAR scanning, UAV mapping, and aerial photography for residential and commercial projects.
How does LiDAR benefit my project?
LiDAR captures billions of data points, creating highly detailed 3D models. This reduces errors, eliminates site revisits, and ensures accurate base maps for design and planning.
Do you work outside Sonoma County?
Yes, we serve all Bay Area counties in addition to Sonoma County for all surveying needs.
How experienced is your team?
Our founder has 25 years of surveying experience and pioneered LiDAR use in the region since 2007.
What technology do you use?
We use terrestrial LiDAR, UAVs for aerial mapping, and advanced software to deliver precise, high-definition survey results.