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Nearby Septic — nearbyseptic.com · Verified septic directory · printed Aug 3, 2026
Texas › Guadalupe County
County directory

Guadalupe County
septic services.

1 license-verified provider serves Guadalupe County in the blackland-prairie region. Every listing is checked against TCEQ license records.

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

Guadalupe County, at a glance
License-verified providers listed1
Permitting authorities 4 districts
RegionBlackland Prairie
All Texas permit guides →
Providers

Verified first, always labeled.

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

1 of 1 providers

WA
Wayne D Castillo ✓ TCEQ Verified
Installer II · OS0034594 · Active — checked Jul 30, 2026
Drain Field RepairSeptic RepairSeptic System Installation

Serving Guadalupe

(830) 557-9097 View profile

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

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Permits

Who issues them here.

Guadalupe County Authorized Agent

310 W Ih 10, Seguin 78155
(830) 303-4188
ty.elley@guadalupetx.gov
Official septic information ↗

City Of Seguin Authorized Agent

Covers City limits

108 E Mountain St, Seguin 78155
(830) 401-2437
GWEHR@SEGUINTEXAS.GOV
Official septic information ↗

City Of San Marcos Authorized Agent

Covers City limits

630 E Hopkins St, Bldg 5, San Marcos 78666
(512) 393-8440
sobrien@sanmarcostx.gov
Official septic information ↗

City Of New Braunfels Authorized Agent

Covers City limits

550 Landa St, New Braunfels 78130
(830) 221-4041
bruiz@newbraunfels.gov
Official septic information ↗

Permit fees, forms & process

Any new system or major repair in Guadalupe 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

Nearby counties

Bastrop County Williamson County
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