HOME SEPTIC PUMPING O&M INSPECTIONS SEPTIC SERVICES FEEDBACK CUSTOMER REVIEWS CONTACT US (425) 432-9344 (253) 874-4496 (253) 631-7979 Reviews Leave a Testimonial September 17, 2021 Lisa Andrew "I called at 9:35am and Shawn was out here by just before 12:30pm on the same day for my backed up tank. If that isn't amazing service I don't know what is. He helped us find our caps (We were way off with where we thought they were) and recommended a few things we could do to improve our next service. I will be recommending Benson Hill to all of my neighbors since we're all on septic. " July 3, 2021 Drew Ahearn "Benson Hill Septic always does a fine job when servicing my septic systems. I have relied on their services for the past 10 years and don't disappoint." June 18, 2021 Andrew A "Benson Hill Septic always performs great service at a reasonable cost. I've had my septic system serviced and inspected by them several times and they have always proven themselves prompt, friendly, honest, and reliable." July 15, 2019 Tyler Hoffman "Steve was very professional and did a wonderful job pumping our septic tank. The price was very reasonable as well. Local company that has been around for years. I won’t be using anyone else for my septic services from now on. Highly recommend." 1 Next > Contact Us Benson Hill Septic Tank Service Maple Valley, WA 98038 (425) 432-9344 (253) 874-4496 (253) 631-7979 Business Hours Monday: 8 AM - 5 PM Tuesday: 8 AM - 5 PM Wednesday: 8 AM - 5 PM Thursday: 8 AM - 5 PM Friday: 8 AM - 5 PM Saturday: Closed Sunday: Closed Quick Links O&M Inspections Septic Pumping Septic Services © 2021 Benson Hill Septic Tank Service. All Rights Reserved. | Sitemap