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Castle Septic Service

Serving Hunterdon County and parts of Warren County

About Us

Experts in septic system, pumping, inspection, repair, installation and portable toilet rentals 


Let's face it, keeping your septic system in good working order is one of the few chores you'd rather leave to someone else.  But choosing the right “someone” is critical. Without competent,  professional maintenance you could one day have an expensive mess on your hands. If you're installing a new system, you want that same high level of competence in your installer. Both are good reasons to trust Castle Septic Service Corporation.  We've earned the confidence of septic owners throughout Northwestern New Jersey.


You can count on us for:

  • Septic Tank Cleaning and Pumping
  • Septic Tank and Septic System Design & Installation
  • Septic Tank Inspection and Troubleshooting
  • Septic Repairs and Maintenance
  • Drain Field Repair
  • Consulting
  • Excavation
  • Emergency Service

Contact Us

Send us a message, or call us for a quote. Use our contact form to tell us more about what service you are looking for.

Castle Septic Service

PO Box 523 Milford, NJ 08848

(908) 995-1000 (908) 995-7438

Office Hours

Open today

9:00 am – 4:00 pm

Monday - Friday: 9am - 4pm

Saturday - Sunday: Closed


Holidays may effect these hours.


Emergency Service Available

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Residential & Commericial

Licensed & Insured
License Number: NJDEP#32422


We accept Visa, Mastercard, and Discover