The team was straightforward from the start and kept me in the loop the whole way through. The finished work was solid and exactly what I asked for.
General Contractor
Septic Installation in North Idaho And Eastern Washington
3 specialized services available
A&J Hardison Excavation provides expert septic system installation tailored to Post Falls soil conditions and local regulations. Our experienced team handles site evaluation, permitting, and complete installation. We ensure your system meets all Idaho Department of Environmental Quality standards.
Idaho Contractor License #RCE-28073 · Washington Contractor License #AJHARHE742NG
Septic Installation
Serving North Idaho And Eastern Washington and the Florida Panhandle
Services
Septic Installation Services in North Idaho And Eastern Washington
A&J Hardison Excavation provides expert septic system installation tailored to Post Falls soil conditions and local regulations. Our experienced team handles site evaluation, permitting, and complete installation. We ensure your system meets all Idaho Department of Environmental Quality standards.
Septic System Installation
A&J Hardison Excavation installs septic systems for homes and properties across Coeur d'Alene, ID.
- System sized and placed to match your Coeur d'Alene property's soil type and site slope
- Proper drainfield installation reduces risk of effluent surfacing or yard saturation
- Code-compliant installation supports Panhandle Health District approval
Septic Tank Replacement
A&J Hardison Excavation handles full septic tank replacement for homes and properties in Coeur d'Alene, ID.
- Removes the health and safety risk of a cracked or leaking tank on your property
- New system is sized and sited to match your lot's soil type and water table depth
- Stops sewage odors, soggy ground, and slow drains caused by a failing tank
Drain Field Installation
A&J Hardison Excavation installs drain fields for residential properties in Coeur d'Alene, ID.
- Drain field sized and placed to match your Coeur d'Alene lot's specific soil type and percolation rate
- Proper excavation depth and level pipe placement reduces the risk of premature field saturation
- Correct gravel and backfill selection protects pipes from shifting soil and seasonal freeze cycles
Why Choose Us
What sets us apart for Septic Installation
Family-owned and operated
20+ years of experience
Licensed general contractor
Full-service site development
Custom design and permitting
Our Work
Recent Projects in North Idaho and Eastern Washington
Every project in this gallery was built by our crew. Real work, real clients, real results.
Project photos coming soon.
Ready to get started?
Seen the work. Ready to talk about your project?
FAQ
Common Questions About Septic Installation in North Idaho and Eastern Washington
Straight answers to the questions homeowners ask before hiring a local contractor.
Most residential septic installations take 3-5 days, depending on site conditions and system complexity.
Yes, we manage all local permits and inspections required by Spokane County and Idaho regulations.
Costs vary by property size and soil type. Contact us for a free site evaluation and quote.
Still have questions?
Call us directly. Real answers, no scripts.
Find Us
Proudly Based in Post Falls, ID
Stop by, call, or book online — we're always nearby when you need us.
Idaho License #RCE-28073
Phone
(208) 446-4655Hours
- Monday 8:00 AM - 6:00 PM
- Tuesday 8:00 AM - 6:00 PM
- Wednesday 8:00 AM - 6:00 PM
- Thursday 8:00 AM - 6:00 PM
- Friday 8:00 AM - 6:00 PM
- Saturday Closed
- Sunday Closed