*The Angi rating for Basement Waterproofing companies in Penryn, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.
*The HomeAdvisor rating for Basement Waterproofing companies in Penryn, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.
Last update on January 20, 2026
Serving Penryn, CA and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Fair price, courteous service and finished early."
Serving Penryn, CA and surrounding areas
Approved (Corporate)
In business since 1990
Free estimates
Warranties offered
"My project is just a small one and they did took time to check it out. Good courtesy"
+16
Serving Penryn, CA and surrounding areas
Approved (Corporate)
In business since 1978
Emergency services offered
Warranties offered
"They were very professional, they did a a quick job and they go above and beyond."
+18
Serving Penryn, CA and surrounding areas
Approved
In business since 2019
Free estimates
Credit card accepted
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!
Serving Penryn, CA and surrounding areas
In business since 2016
Free estimates
Credit card accepted
"Very professional. Completed the job in two weeks. The deliverables were as promised. They were very independent, requiring only minimal involvement from the client. However, communication with the owner could be enhanced a bit."
Serving Penryn, CA and surrounding areas
In business since 2017
Free estimates
Emergency services offered
"Everything went great. Would use again or recommend."
+29
Serving Penryn, CA and surrounding areas
In business since 2006
Free estimates
Emergency services offered
"Very well. Matt arrived on time. Actually discovered a leak in my wall and helped open it up as well as installing the tankless water heater."
+14
Serving Penryn, CA and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"Perfect! No problems or issues that need immediate attention. Pedro, the technician, left me with a couple of "preventive maintenance" items to consider. No high pressure sales. He was professional, efficient and communicated with me what he was doing, what he was finding, and what to consider to maintain a healthy and happy home!"
+97
Serving Penryn, CA and surrounding areas
In business since 2008
Free estimates
Emergency services offered
"US Trench less was referred to me through a friend. I called US Trench less and explained the situation I had in my backyard. US Trench less came out the next day and ran the diagnostic TV scope where we were able to see how bad of shape my pipes were in. US Trench less was able to come out and start working the very next day. The entire job was done in less than 4 days which was amazing considering how quickly they began working. US Trench less was honest, very trustworthy, knowledgeable, and prompt with my situation. I would highly recommend their work!"
Serving Penryn, CA and surrounding areas
In business since 1995
Free estimates
"James was extremely professional and prompt. He arrived right on time and finished the job quickly. Only a couple days, but everything is working great, and he guaranteed the work. Would def. call him again."
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