Business Details
23 Years
experience
Trusted Land Surveying & Utility Locating Services in Tustin, CA
Welcome to D. Woolley & Associates, an established land surveying and mapping firm serving clients across California and Nevada since 2003. Our team combines decades of collective experience with cutting-edge technology to deliver precise, reliable results for projects ranging from property boundary disputes to large-scale governmental QA/QC initiatives. Licensed in both California and Nevada, we specialize in ALTA/NSPS Land Title Surveys, subsurface utility locating, and GIS integration, adhering strictly to state laws and industry standards. Our expertise in geodetic control, monument preservation, and horizontal/vertical positioning ensures compliance with federal and local regulations. We distinguish ourselves through our deep understanding of public agency workflows and our commitment to advancing safety protocols via NULCA-certified training programs.With multiple government contracts awarded through qualifications-based selection, we maintain rigorous quality control across all services, including construction staking, utility mapping, and subsurface investigation. Our interdisciplinary approach bridges geomatics, electromagnetic locating, and geophysical concepts to meet evolving regulatory requirements like Californias GIS data capture mandates. By prioritizing innovation and continuous staff development, we empower clients to achieve survey accuracy and compliance in complex environments.
Services
Land Surveying
Subsurface Utility Locating
Geographic Information Systems
Utility Mapping
Construction Staking
Details
- Year established: 2003
Highlights and features
- We hold multiple government contracts awarded through qualifications-based selection.
- Our team includes NULCA-certified utility locators trained in safety protocols.
- We bridge geomatics, electromagnetic locating, and geophysical expertise for complex projects.
- We maintain rigorous QA/QC standards for all survey and utility mapping tasks.
- Our staff develops training programs for subsurface locating and GIS compliance.
Associations and certifications
- NULCA
- NSF-ISR
- Common Ground Alliance
Services
Land Surveying
We conduct precise property boundary surveys, ALTA/NSPS Land Title Surveys, and geodetic control measurements. Our licensed surveyors resolve disputes, ensure legal compliance, and provide data for construction and land development projects across California and Nevada.
Subsurface Utility Locating
Our NULCA-certified teams use ground-penetrating radar and electromagnetic locating to identify underground utilities. This service prevents excavation damage, supports safe infrastructure projects, and meets federal safety standards for public and private clients.
Geographic Information Systems
We create and maintain survey-accurate GIS databases for utility networks and infrastructure. Our solutions align with Californias regulatory requirements for capturing new installations, ensuring data integrity for government agencies and contractors.
Questions
What areas do you serve?
We primarily serve California and Nevada, with subsurface utility locating experience across multiple states.
Are your utility locators certified?
Yes, our teams hold NULCA certification, meeting NSF-ISR accreditation and Common Ground Alliance safety standards.
Do you work with government agencies?
Yes, we hold multiple government contracts awarded through qualifications-based selection processes for survey and utility projects.
What GIS services do you offer?
We create survey-accurate GIS databases, train staff on compliance, and integrate geomatics data for utility and infrastructure projects.
