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Find Septic system repair pros in Seattle

Avatar for A Advanced Septic
A Advanced Septic
4.3(
120
)

Serving Seattle, WA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Jacob Porter, tech from A-Advanced Septic did a fine job. Over & beyond. He gave us a lot of information on our septic system. Like, what we needed to upgrade & other procedures for our septic to drain smoother. I highly recommend him & A-Advance Septic. Thanks so much Jacob."
Additional Photos
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+8

Response time2 days
10 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Alpha Bravo Septic and Drainage, Inc.
Alpha Bravo Septic and Drainage, Inc.
4.8(
44
)

Serving Seattle, WA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"Alpha Bravo Septic was the first to call me and came out the same day to access our Septic Tank Issue. Luis Bravo is the owner and was wonderful to work with. He did not take advantage of us and only repaired what was needed. He was very reasonable and was most importantly honest. I would recommend him highly to anybody needing their Septic System Serviced."
Response time6 hrs
8 neighbors recently requested a quote
Recommended by100%of homeowners
Ron Hemley Septic Installations, Inc.
5.0(
2
)

Serving Seattle, WA and surrounding areas

Approved

In business since 1980

Free estimates

Offers commercial services

"If you do not make your first call to Hemley's, your making a big mistake. This company stand above the rest for their professionalism, work & business ethic's and their customer service at a fair price. This company should be the first one you call, they will assess and find the best solution which many other contractors wont do. If the scale went to 10, I would give them an 11."
Response time6 days
Recommended by100%of homeowners
Avatar for JT Industrial, LLC
JT Industrial, LLC
4.8(
4
)

Serving Seattle, WA and surrounding areas

Approved

In business since 2018

Free estimates

Offers commercial services

JT Industrial LLC is owned by Josh and Kristen Rodrigues. Josh has 17 years of experience in the excavation and trucking industry with a foundation working for his Grandfather at Zimmer Construction. He later moved on to managing an excavation team for Chinook Contractors before setting out on his own with JT Industrial LLC. Kristen has a background in business management and customer service. From managing a team for REI to working as a flight attendant for Alaska Airlines, her understanding of customer needs is expansive. Kristen, Josh and their team are dedicated to excellent workmanship, integrity in all business dealings and delivering competitive pricing for the quality of work. As an excavating contractor, we’re passionate about the work we do and love seeing new and interesting projects cross our desk. Our talented team and foundational knowledge make us your first choice for any of your excavation and trucking needs. Give us a call and let us know how we can help!

Development site
Grading
Manhole excavation
Manhole installation
Manhole excavation

+24

Response time1 day
Recommended by50%of homeowners
Avatar for MRJ Excavating and Engineering LLC
MRJ Excavating and Engineering LLC
5.0(
1
)

Serving Seattle, WA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

Clearing and removal of brush, excavation, grading, underground utilities, storm drainage, ditches, driveway gravel, site preparation for residential home, garage or shop. Emergency work, storm clean up, demolition

Foundation Excavation
Drainage and grading project
Foundation Excavation
Drainage and grading project
Foundation Excavation

+32

6 neighbors recently requested a quote
Recommended by100%of homeowners
Freedom Excavation
New to Angi

Serving Seattle, WA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

Freedom Excavation is committed to excellence every aspect of our business. We uphold a standard of integrity, bound by fairness, honesty, and professional responsibility. Our distinction is the quality of service we bring to our customers as well as our ability to give you a quick, fair, and accurate estimate. Accurate knowledge of our trade, combined with ability is what makes is true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

Response time10 hrs
10 neighbors recently requested a quote
Avatar for Vortex Plumbing Inc
Vortex Plumbing Inc
4.5(
623
)

Serving Seattle, WA and surrounding areas

In business since 2002

Free estimates

Emergency services offered

"The repiping portion, including adding the new shower valves, and the new fridge line took about 2 days to complete. We opted for the drywall also to be repaired and for some tile repair in the shower. The entire project was completed within the guaranteed timeframe, which was under 3 weeks. Deep, Singh, and Sunni were all very courteous and did a fabulous job of tidying up at the end of the day. Gary also worked on the job and was great. They were always helpful and willing to answer any questions I had along the way and were very conscientious of protecting my floors/home while working. The job was completed as promised. There was one hiccup of a faulty hose bib valve, but Deep promptly came out at 7:30pm on a Friday to cap the line and replaced it Monday as scheduled. Overall, I am very pleased with the job. I was able to contact Deep anytime I needed to and we established a good repoir and were able to schedule the days and times they would be coming just fine. I had old galvanized pipes from 1963. I only wish I had had Vortex do this job 10 years ago! I would definitely hire Vortex again for any other plumbing needs I may have."
Recommended by91%of homeowners
Showing 1-10 of 43
FAQs for septic system repair projects in Seattle, WA

Leach field failure can often occur due to a lack of proper maintenance, hydraulic overload, or environmental factors. When too much water enters the septic system—like running multiple large laundry loads back-to-back—it can overwhelm the leach field. Regular professional inspections, ongoing maintenance, and spacing out high-water-use activities help prevent failure.

A septic tank shows repair needs when noticeable symptoms arise around your home. Noticeable signs include strong sewage odors at fixtures, recurring pipe blockages, pooling water or damp patches near the leach field, and areas of unusually bright green or spongy grass. These indicators confirm that deteriorating components or clogs exist. Monitoring such signs and scheduling timely professional inspections prevents further costly damage.

Adhering to a strict, scheduled maintenance plan prevents septic system repairs. An annual inspection and a pump-out every three to five years safeguard your system’s performance. Additionally, only flushing waste and toilet paper, installing drain filters, keeping nonapproved items out of the system, and avoiding excessive water use help maintain your septic system’s health and efficiency.