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Verified Reviews for Excavation pros in Saint Helena, CA
*The Angi rating for Excavation companies in Saint Helena, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Excavation needs.
*The HomeAdvisor rating for Excavation companies in Saint Helena, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Excavation needs.
Last update on January 04, 2026
Find Excavation pros in Saint Helena
Castaneda Grading & Excavating
Castaneda Grading & Excavating
Over 4 years experience, started business last year, always on time, good communicator, detail-oriented, 100% customer satisfaction 6-5 M-Saturday
"Great team ang excellent work"
Mike w on October 2024
Over 4 years experience, started business last year, always on time, good communicator, detail-oriented, 100% customer satisfaction 6-5 M-Saturday
"Great team ang excellent work"
Mike w on October 2024

SH Grading & Excavating
SH Grading & Excavating
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. We provide grading, paving, underground, trenching, demolition services.
"Great attention to detail and terrific communication. "
Robert R on December 2025
We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. We provide grading, paving, underground, trenching, demolition services.
"Great attention to detail and terrific communication. "
Robert R on December 2025

Prosper Construction Development, Inc.
Prosper Construction Development, Inc.
We are a locally owned and operated company that values honesty and integrity, and treats your home as if it were our own. We offer a variety of services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!
"Fast response and clear communication throughout the process."
Marco T on April 2025
We are a locally owned and operated company that values honesty and integrity, and treats your home as if it were our own. We offer a variety of services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!
"Fast response and clear communication throughout the process."
Marco T on April 2025
JOHN MOUNTAIN
JOHN MOUNTAIN
JOHN MOUNTAIN is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
"These are the consummate professionals that you want doing your project. Excellent communication from start to finish. Their work is immaculate. Their attitudes are friendly and helpful. On time every day. Cleaned up after. No drama whatsoever. I would hire these guys again in a minute."
Sam Z on July 2025
JOHN MOUNTAIN is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
"These are the consummate professionals that you want doing your project. Excellent communication from start to finish. Their work is immaculate. Their attitudes are friendly and helpful. On time every day. Cleaned up after. No drama whatsoever. I would hire these guys again in a minute."
Sam Z on July 2025

Sonoma Siteworks & Engineering
Sonoma Siteworks & Engineering
Services / Expertise Site Preparation Grading Excavation Paving Demolition Vineyard Preparation Ponds Concrete Pumping Services Sidewalks Patios Curb and Gutter Retaining Walls Underground Trenching Water Lines Sewage Lines Storm Drainage Septic Systems Residential Foundations Land Development Minor Projects Fire Mitigation Estate Management & Maintenance
"work was well organized, well executed and completed ahead of schedule by a friendly and knowledgable crew."
Steve G on January 2024
Services / Expertise Site Preparation Grading Excavation Paving Demolition Vineyard Preparation Ponds Concrete Pumping Services Sidewalks Patios Curb and Gutter Retaining Walls Underground Trenching Water Lines Sewage Lines Storm Drainage Septic Systems Residential Foundations Land Development Minor Projects Fire Mitigation Estate Management & Maintenance
"work was well organized, well executed and completed ahead of schedule by a friendly and knowledgable crew."
Steve G on January 2024

Cal-Tech Pump Well & Compressor
Cal-Tech Pump Well & Compressor
Cal-Tech Pump Well & Water Treatment is your local groundwater professionals. We guarentee our work and your satisfaction. We offer 24 hour emergency service, senior & veteran discounts. Call the experts!
"Really appreciated his support, help and timeliness of the service. Would use him again."
Pamela B on January 2020
Cal-Tech Pump Well & Water Treatment is your local groundwater professionals. We guarentee our work and your satisfaction. We offer 24 hour emergency service, senior & veteran discounts. Call the experts!
"Really appreciated his support, help and timeliness of the service. Would use him again."
Pamela B on January 2020

SK UNLIMITED POOLS, INC.
SK UNLIMITED POOLS, INC.
SK Unlimited Construction is a fully licensed and insured construction company proudly serving Santa Rosa and the greater Sonoma County area. Known for reliability, professionalism, and high‑quality workmanship, we provide safe and efficient services for projects of all sizes. We specialize in: Residential demolition (interior, exterior, selective, and full‑structure) Debris and junk hauling Site cleanup and preparation Light construction and property improvement services Drywall, painting, flooring, and carpentry At SK Unlimited Construction, safety, precision, and customer satisfaction guide every project. Whether you need a space cleared, a structure removed, or a property prepared for its next phase, we deliver dependable service with integrity from start to finish.
"Kamen did everything we asked for in no time ! I highly recommend Kamen !"
christian s on December 2025
SK Unlimited Construction is a fully licensed and insured construction company proudly serving Santa Rosa and the greater Sonoma County area. Known for reliability, professionalism, and high‑quality workmanship, we provide safe and efficient services for projects of all sizes. We specialize in: Residential demolition (interior, exterior, selective, and full‑structure) Debris and junk hauling Site cleanup and preparation Light construction and property improvement services Drywall, painting, flooring, and carpentry At SK Unlimited Construction, safety, precision, and customer satisfaction guide every project. Whether you need a space cleared, a structure removed, or a property prepared for its next phase, we deliver dependable service with integrity from start to finish.
"Kamen did everything we asked for in no time ! I highly recommend Kamen !"
christian s on December 2025

E G Paving Construction, Inc.
E G Paving Construction, Inc.
E G Paving Construction is a premier paving company serving Sonoma County, Napa County and Marin County.We offer a full range of asphalt and concrete paving solutions for both large and small projects. Specializing in Asphalt Done, Grading, Concrete Replace, Sewer, Storm Drain, Pipes or any such excavations call 707-791-0317 to get a quote.
"Edgar and his employees were amazing. Their bid was the best. Other guys said they would have to rip up pavement that this crew could do no problem minimally. The guys were so well groomed and polite. Not that that matters but it was an extra bonus. Lovely crew and incredible job in a few days. I will for sure use them again."
Kathleen m on May 2024
E G Paving Construction is a premier paving company serving Sonoma County, Napa County and Marin County.We offer a full range of asphalt and concrete paving solutions for both large and small projects. Specializing in Asphalt Done, Grading, Concrete Replace, Sewer, Storm Drain, Pipes or any such excavations call 707-791-0317 to get a quote.
"Edgar and his employees were amazing. Their bid was the best. Other guys said they would have to rip up pavement that this crew could do no problem minimally. The guys were so well groomed and polite. Not that that matters but it was an extra bonus. Lovely crew and incredible job in a few days. I will for sure use them again."
Kathleen m on May 2024
Raya Engineering
Raya Engineering
Here at Raya Engineering, we sustain our company on the principal that our customers come first. We offer services that are tailored to your needs and we're ready to show you what our experience can bring to your project! Call us today!
Here at Raya Engineering, we sustain our company on the principal that our customers come first. We offer services that are tailored to your needs and we're ready to show you what our experience can bring to your project! Call us today!
RSF Construction Inc.
RSF Construction Inc.
RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!
RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!
The Saint Helena, CA homeowners’ guide to excavation services
From average costs to expert advice, get all the answers you need to get your job done.

If you need to dig a trench, you might be tempted to do it yourself instead of hiring a pro. So, how much does it cost to rent a trencher? Let’s break it down.

How much does it cost to demolish a house? Average prices for demolition vary based on home size, materials, and location. A partial demolition can make a project more affordable than a full house demolition. Keep reading for more.

If you’re building a new home, you might need to consider the cost of digging out a basement. Use this pricing guide to get an estimate for the project.

Who installs trench drains? A local excavation company is best for the job, but a landscaper or plumber can also get it done. Here's how.

When planning to trench, you may be concerned about rocky ground. Can a trencher go through rock? Find out what your trencher can cut through in this guide.

Planning a yard project? Know when to call 811 to keep you safe while avoiding expensive damage to underground utilities.
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