Payment research · dataset 2026.08
Payment options for Marin Municipal Water District (Marin Water)
This page identifies provider-specific public payment information without accepting payments or asking for account credentials.
Provider-published destination
Official online route identified
Confirm the utility name, service address, balance, processing date, funding method, and final fee on the external page before submitting. US Water Bill Pay cannot see or post the transaction.
Continue to provider-published portal ↗Provider-specific findings
Payment research for this provider
The compiled notes distinguish confirmed channels from details the public material did not expose. Fields containing only an unavailable-information marker are grouped in the research record below.
- Payment platform
- Paymentus; Marin Water states that Paymentus operates the modernized online bill-pay platform and provides after-hours payment support.
- Phone payment number
- 866-332-2444, available 24/7 for one-time payments and autopay enrollment; Paymentus after-hours bill-pay support is 800-420-1663.
- Pay-by-text
- The reviewed Marin Water payment pages describe online autopay, email reminders, and phone payment but do not publish a verified text-to-pay keyword or enrollment sequence. Customers should use the new Paymentus portal or call 415-945-1400 for current enrollment instructions.
- Mail-in payment address
- Marin Water, P.O. Box 994, Corte Madera, CA 94976. The district says checks mailed in the reply envelope post on the following business day after receipt.
- In-person payment
- Marin Water Customer Service, 220 Nellen Avenue, Corte Madera, CA 94925, accepts in-person payments Monday-Thursday 8:00 a.m.-4:30 p.m., excluding holidays; the public counter is closed Fridays. An after-hours drop box is located in front of the building. The district’s payment pages do not provide a separate retail-counter list.
- Digital payment methods
- Online and phone payments support credit card, checking-account/ACH payments, and digital wallets including Venmo, Apple Pay, Google Pay, and PayPal. Autopay and one-time payments are available; payment posting may take three to five business days in the online system.
- Online convenience fees
- No customer credit-card service fee was identified in the district’s published payment materials; confirm any current processor disclosure in the Paymentus checkout before submitting a transaction.
Directory comparison
Payment-information visibility
| Measure | This provider | California | National index |
|---|---|---|---|
| Usable payment URL identified | Yes | 81% | 73% |
| Fee or no-fee amount disclosed | No | 24% | 15% |
| Payment fields documented | 8 of 8 | — | — |
This comparison measures directory documentation, not payment quality, cost, or provider performance.
Research record
Broad public detail found
8 of 8 fields in this section contain provider-specific public detail in dataset August 1, 2026.
Documented
100%
Primary verification routes
- Marin Municipal Water District (Marin Water) public website ↗
Provider-controlled destination used to confirm current customer instructions.
- Provider-published payment destination ↗
External account or guest-payment route; verify the provider name before entering information.
- EPA SDWIS / ECHO lookup (CA2110002) ↗
Search the federal drinking-water database using public water system ID CA2110002.