Cost guide · Montgomery County
Drain Field Repair & Replacement Cost in Montgomery County, TX
The priciest part to replace — repair vs. full rebuild ranges.
These are typical ranges to help you budget — not quotes. Actual pricing depends on your system, property, and the company. Last reviewed July 2026.
What affects the price
- Repair (restoring a saturated field) vs. a full rebuild.
- Field size and how much excavation is involved.
- Soil conditions and whether the system type must change.
- Permitting for a replacement field.
In the Conroe area
A saturated field sometimes recovers after a pump-out and rest; a truly failed field is the most expensive septic repair, so early action pays off.
Ready to get real numbers? Compare drain field companies serving your city and request upfront quotes.
Drain Field Repair & Replacement Cost — FAQ
How much does drain field repair & replacement cost?
Typical pricing runs $1,500–$20,000 per job, with most jobs around $8,000. Actual cost depends on your system and site — get an upfront quote from a local company.
What affects drain field repair & replacement pricing?
Repair (restoring a saturated field) vs. a full rebuild. Field size and how much excavation is involved. Soil conditions and whether the system type must change. Permitting for a replacement field.
Are these prices exact?
No — these are typical ranges to help you budget, not quotes. Prices vary by company, system, and property. Always get a written quote before work begins.
Prefer to just get a quote?
Browse local septic companies, compare ratings, and contact them directly for firm pricing.