Sewer, Water, Gas and Storm under ground Services, Under Ground Service Work, Foundations , and 2 more
"I cannot say enough about how good this experience with John Mountain/Mountain Engineering has been. They said it would be 3 weeks; anti was. The work was painstakingly done, including a French drain behind the wall. And they replaced the plants that were destroyed during the process, which was an unexpected bonus."
Cathy S. in October 2023
Handyman and much more!
"The team was amazing! We had an old deck in our backyard and we hired Palm Construction to replace and extend it and they did a great work! The job was done in less than 2 weeks, Communication was great, they cared about the backyard and plants and we are so happy itâ s all ready just before summer. Highly recommended!!"
yael H. in May 2024

Wall Reinforcement Systems & Bowing Wall Repair, Foundation Repair & Stabilization
"Groundwork’s did a great job on our house. Luis G was an amazing Forman with Ken H and Mark P all waterproofed under our house. They worked quickly, efficiently and thoroughly left all areas in tact and clean. Luis communicated very clearly about the all aspects of the job until it was completed."
2D29E78D8915C989B06F94EE7800DD46F43705B023F0866B8D14D6349FF31023 5. in December 2025
In business since 2019
Additions and Remodels
About us: "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!"
Sonoma Foundation Contractors are rated 5.0 out of 5 based on 7 reviews of 7 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
If you're looking for Basement Drainage Channels Install Contractors that serve a different city in California, here are some popular suggestions:
Where are you trying to prevent water damage?
Find out how HomeAdvisor can help your business