Welcome to A&H Septic Systems and Materials

About Us

Certified Septic Installation and Excavating

We are a family owned and operated business for more than 30 years serving the beautiful Snoqualmie Valley and all of King County.  We are certified to install a wide range of Septic Systems and drain fields and can fix your repairs too.  We also have an experienced crew for on-site work; such as land clearing, demolishing buildings, digging utilities, and much more.  Need hauling of rock, gravel or dirt?  We can do that too.  Call or e-mail us, we would love to assist you in all your septic install and site work projects.

Prompt and Reliable

Working and communicating with clients and/or contractors to ensure that the project is complete, on time and under budget is one of our highest priorities.

Satisfaction Guaranteed

We warranty our work on all Septic Systems we install. 

 Insuring the highest level of satisfaction from our customers is what we strive for.

Contact Us

Get An Estimate

To get an estimate, please reach out so we can discuss your project or send your design over directly so we can compile an estimate for you. 

A&H Septic Systems and Materials, LLC.

5431 Preston Fall City RD SE, Fall City, WA 98024, US

(425) 222-5388


Monday - Friday: 8am - 4pm

Saturday - Sunday: Closed