CA Contractors License #444117
A & B License for General Construction/Engineering
Welcome to Farr Construction Co.!
Having been the premier contractor for property excavation, demolition, land clearing, as well as general grading services for over sixty-five years in the Sonoma County, CA area, our company, Farr Construction Co., places quality work and customer satisfaction at the forefront of our business principles. By placing such a high emphasis on not only providing world-class grading, paving, and drilling services but also by adhering to the project expectation(s), we have been able to lay claim to being the best of the best in regards to affordability, consistency, and above all else: client retention. Find out why!
✔ Trenching Services
✔ Boring Services
✔ Hauling Services
✔ Deconstruction Services
✔ {Utility} Underground Services
✔ Demolition Services
✔ Excavation Services
✔ Grading Services
✔ Drilling Services
✔ {Water} System Management
✔ Disposal Services
✔ Septic Services
✔ Paving Services
✔ Leveling Services
✔ Clean-Up Services {Hazmat/Hazard Ready}
Expert Excavation & More
Grading, Paving &
Underground Utilities
Farr Construction Co. employs only the most talented and proven experts to oversee our excavation service contracts.
Professional Drilling Services
Speak with our drilling experts if you are seeking a reliable drilling contractor in California with a wealth of drilling experience.
Demolition &
Hazmat Remediation
Our seasoned professionals take great pride in our fast and efficient demolition services, with safety being the first priority.
Septic Sytem Coverage
Our teams coordinate with each client individually to ensure that their project is completed punctually and within budget.
Your Land ~ Our Coverage
Grading, Leveling, & more! Are you considering revamping your property with an expansion, or developing a new parcel of land altogether? One of the most crucial considerations any home or business owners need to take into account is enlisting the assistance of proven professionals. With the abundance of companies and contractors trying their hand at excavating, land development, or demo services, it's an unfortunate risk that many property owners unwittingly recruit inexperienced or subpar help. Take the guesswork out of your next project and ensure you're protected with Farr Construction Co.'s tried and true crews.
On-site Services Regardless if your job-site is large or small, adequate preparation and development are crucial towards all construction endeavors. Having the land mapped, staked, labeled, and cleared provides a clear and understandable outline for construction crews to follow. Furthermore, this allows project materials and detritus to remain organized and easy to manage, thus eliminating any unnecessary safety concerns.
Land Development Services
Land Clearing
Farr Construction Co. provides professional land clearing services to prepare sites for development, removing trees, brush, and debris efficiently while preserving proper drainage and site integrity.
Site Preparation
Our site preparation services ensure a stable, build-ready foundation through precise grading, excavation, and soil conditioning tailored to the requirements of each project.
Hauling & Disposal
We offer reliable hauling and disposal services, managing the safe removal and transport of excavated materials, demolition debris, and waste in compliance with local and state regulations.
Professional Drilling Services
Farr Construction provides precision drilling services for residential, commercial, and municipal projects throughout Los Angeles County. Our team specializes in controlled drilling for foundations, caissons, utilities, soil stabilization, and structural support in both standard and challenging site conditions. Using modern equipment and proven drilling methods, we deliver accurate results while minimizing site disruption. Whether your project involves new construction, hillside reinforcement, or infrastructure upgrades, Farr Construction offers dependable drilling solutions backed by experience, safety, and technical expertise.
Where Our Crews Drill
Past Projects
Frequently Asked Questions
Common questions about excavation, land development, and site services — answered clearly and backed by industry standards.
Permit requirements vary by jurisdiction, project scope, and environmental conditions, but most excavation and land clearing projects require approval before work begins. Our team assists clients by coordinating with local agencies to ensure full compliance.
- Local city or county grading and excavation permits
- California Environmental Quality Act (CEQA) compliance
- Stormwater and erosion control requirements (SWPPP)
- Utility coordination via California 811
Safety is a top priority on every project, with procedures aligned to state and federal construction safety standards. Our crews are trained to identify hazards and maintain safe working conditions throughout the job.
- Compliance with Cal/OSHA excavation and trenching regulations
- Daily jobsite safety briefings and inspections
- Proper shoring, sloping, and protective systems
- Equipment operation by trained, certified personnel
Excavated material is evaluated and transported based on material type, reuse potential, and disposal regulations. We follow approved hauling and disposal practices to protect both the environment and the client.
- Reuse of clean fill when permitted
- Transport to licensed disposal or recycling facilities
- Compliance with CalRecycle waste management guidelines
- Documentation for regulated or special materials
Erosion and sediment control measures are implemented to protect surrounding land, waterways, and infrastructure. These measures are tailored to the site and maintained throughout the project lifecycle.
- Silt fencing, fiber rolls, and inlet protection
- Stormwater Pollution Prevention Plan (SWPPP) compliance via California State Water Resources Control Board
- Site grading designed to manage runoff
- Ongoing inspection and maintenance
Our excavation and land development services support a wide range of residential, commercial, and municipal projects. Each project is approached with attention to site conditions, regulations, and long-term performance.
- Residential site development and utilities
- Commercial and industrial construction
- Roadway and infrastructure projects
- Projects aligned with Federal Highway Administration standards
Our Proven Process
From initial assessment to final cleanup, our crews follow a disciplined process to deliver safe, efficient, and reliable results on every project.
Assessment
Site evaluation, scope review, and planning based on terrain, access, and project requirements.
Preparation
Land clearing, staking, grading prep, and mobilization to ensure a safe, organized jobsite.
Execution
Precision excavation, drilling, trenching, or demolition performed by experienced operators.
Hauling
Efficient removal and transport of materials, debris, and spoil in compliance with regulations.
Finalization
Final grading, cleanup, and verification to ensure the site is build-ready and compliant.