Washington County
septic services.

1 license-verified provider serves Washington County. Every listing is checked against TCEQ license records.

Updated July 31, 2026 · data re-verified against TCEQ records

Washington County, at a glance

License-verified providers listed1

Permitting authority Washington County Authorized Agent

All Texas permit guides →

Providers

Verified first, always labeled.

All 1 Drain Field Repair 1 Septic Repair 1 Septic System Installation 1

MA

Matthew Monfreda ✓ TCEQ Verified

Installer I · OS0039533 · Active — checked Jul 30, 2026

Drain Field RepairSeptic RepairSeptic System Installation

Serving Washington

(737) 228-2841 View profile

iOrganic order is verified-first then A–Z and is never sold; featured slots, when they exist, are labeled. Methodology

Want quotes instead of calls?

Tell us once — up to 3 verified Washington County pros. Free, no spam, delete anytime.

Get free quotes

Permits

Who issues them here.

Washington County Authorized Agent

3650 Hwy 36 N, Brenham 77833
(979) 277-6290
mmarzahn@washingtoncountytx.gov
Official septic information ↗

Permit fees, forms & process

Any new system or major repair in Washington County needs a permit before construction starts. This county’s full guide is still in production — the authority contact shown here is the official source in the meantime.

All Texas permit guides

Ready when you are

Get free quotes from verified Washington County pros.

Tell us once — we send it to up to 3 verified pros. Free, no spam, delete your request anytime.

Septic Quote Request

First Name

Last Name

Email

Phone

Service(s) needed

County

Timeline

Emergency — need help now

Within a week

Within a month

Just researching

Project Details

Secure form. Sent over an encrypted connection to up to 3 verified pros. Never sold to data brokers, and you can have your request deleted anytime.

Washington County septic services.