Hero Paving service

Excellence in Paving & Engineering Services

Delivering unparalleled paving and engineering services, where quality meets craftsmanship. Our dedication ensures your project’s success. Explore our services and elevate your space today.

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  This Is What Makes Us Stand Out

Experience Excellence with Our Paving Services Based in Sebastopol, CA, Serving Sonoma County, and the Surrounding Areas

Navigating paving projects can often lead to frustration and inconvenience, particularly when expectations are not met. Our paving services are designed to address these challenges head-on, providing reliable and efficient solutions tailored to both residential and commercial needs in Sebastopol, CA, Sonoma County, and the surrounding areas. We at Santiago General Engineering uphold a ‘safety first’ policy, ensuring all projects adhere to the highest standards set by the industry and the State of California. As a family-owned and operated business, we bring over 20 years of industry experience and a passion for what we do, setting us apart from competitors. Our commitment to never leaving a job half-done and paying meticulous attention to detail guarantees a stress-free experience for our clients. With us, you gain not just a service provider but a partner dedicated to transforming your paving needs into lasting solutions.

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 Why Choose Us?

Unmatched Quality & Dedication

Choosing our business means opting for unmatched quality and dedication in every project undertaken. Our unique approach to safety, combined with a family-operated ethos, ensures that every task is completed with the utmost care and precision. Our team is highly skilled and capable of handling any site work projects, setting us apart in the industry. We don’t just aim to meet your expectations; we strive to exceed them, making us the preferred choice for those who value reliability and excellence in paving and engineering services.

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 Expert Experience Guaranteed!

Comprehensive Services Tailored for You

Our range of services covers everything from asphalt paving, grading, and excavation to the installation of underground utilities and septic systems, along with emergency repairs. Each service is executed with an unwavering commitment to safety and quality, ensuring durable and efficient outcomes. From crafting new driveways to managing complex underground utility projects, our expertise spans all facets of paving and engineering work, offering a one-stop solution for all your site work needs.

Trustworthy Solutions, Lasting Results

Santiago General Engineering is synonymous with trust and reliability. With a foundation built on over 20 years of industry experience and a family-owned ethos, we guarantee not just services but solutions that last. Our unwavering commitment to safety and attention to detail sets us apart, ensuring each project exceeds industry standards. Discover why we are the go-to choice for all your engineering needs.

Asphalt paving

Asphalt Paving

Choosing us for asphalt paving services ensures durability and aesthetic appeal. Our meticulous approach guarantees lasting results.

Asphalt Paving

Here’s what you can expect:

  • Meticulous quality
  • Licensed encroachments
  • Relationship building
  • New driveway installations
  • Commercial lot paving
Grading and Excavation

Grading and Excavation

Our excavation services offer precision and safety, ensuring the perfect foundation for any project. Trust us for reliable groundwork.

Grading and Excavation

This is what awaits you:

  • Detailed site preparation
  • Honest communication
  • Grading excellence
  • Overlay expertise
  • Trench paving proficiency
Underground utilities

Underground Utilities

Opt for our trenching services for secure and efficient underground utility installations. We ensure seamless integration.

Underground Utilities

Here’s what’s included:

  • Licensed encroachments
  • Water line installations
  • Sewer services
  • French drain systems
  • Storm drain solutions
Septic Systems

Septic Systems

Our septic system installer services combine technology with expertise, ensuring eco-friendly and efficient waste management solutions.

Septic Systems

You can count on us with:

  • Conventional systems
  • Mound system installation
  • Leach line expertise
  • Certified installations
  • Comprehensive excavations
Emergency Repairs

Emergency Repairs

Emergency asphalt repair services from us mean quick, reliable fixes any time, day or night. We’re here when you need us most.

Emergency Repairs

With our services, you can expect:

  • Pipe burst fixes
  • Sinkhole repairs
  • Asphalt restorations
  • Leak solutions
  • Urgent service calls
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Start Your Project with the Us Today!

At Santiago General Engineering, we invite you to experience the best in paving services in Sebastopol, CA, Sonoma County, and the surrounding areas. With our seasoned team, commitment to safety, and a track record of excellence, we’re ready to bring your project to life. Whether it’s a new installation or an urgent repair, don’t hesitate to reach out and discover how we can make a difference in your next project.

Experience Land Work Excellence

Get a Free Estimate Now!

Kickstart your project on the right note with our free estimates. Our asphalt work is quality guaranteed!

You Can Count on Us

See What Our Customers Have to Say!


Jim K.

Went fabulously! Dario did a fantastic job at a reasonable price. He was timely, friendly, and professional. Definitely knows his work. Already have him scheduled to do more work for us. Would absolutely recommend him to everyone.



Kayla G.

We needed to have a small section of driveway paved in front of our house. Santiago General Engineering did a great job! They were very efficient and professional.



David H.

Wonderful! Dario was very responsive during all phases of the work. He graded, rock, and paved several driveways for me. He also assisted in stripping off an old lawn and grading for a new one. His prices are always very fair, and his work is excellent. I’ve never seen anyone quite as skilled in their use of an excavator or skid steer. He brings his laser and gets the grades just right. I recommend him all the time.



Michael V.

Excavation was first rate and incredibly efficient due to expert operators. Company owns and operates new equipment. We had huge job and everything was well within their scope and capabilities. Trenched and installed over 200 ft of electrical conduit and irrigations lines. Grading was outstanding. All drops perfect to spec. Recent rains validate all runoff built as designed to include very complicated 10 yard concrete stair, landing and retaining structure. GeoWall retaining system was a large 1100 sq ft project on a complicated incline. Base development, drainage and grid/strap installation all excellent resulting in level rows up to 6 feet high. Concrete planning, forming, color and execution of 60 sq ft slab with custom incllines exact to specification. Asphalt install on steep drive outstanding. Installed 4 inch steel boarders for erosion control and sharp presentation. Team members are absolute pros and highly efficient. Always on time and always left a clean jobsite. Company has my highest recommendation…5 stars +


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Call or Text: (707) 490-8177

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    Areas We Serve

    We’re proud to serve Sebastopol, CA, Sonoma County, and the surrounding areas with our quality services.