# San Luis Obispo #2002

San Luis Obispo County Seeks Commercial Property Tax Management Software

**Posted:** October 20, 2026
**Respond By:** November 16, 2026
**Identifier:** 2002
**NAICS:** 513210

San Luis Obispo County is seeking information about commercially supported property tax software to replace its in-house PTAX system and related applications.
- **Government buyer:** County of San Luis Obispo Auditor-Controller-Treasurer-Tax Collector (ACTTC).
- **Procurement:** An existing commercial property tax management software product; the County is not seeking custom development or a rewrite of PTAX.
- **Functions sought:**
  - Tax Collector: secured, unsecured, and supplemental billing and collection; delinquency and redemption management; prior-year delinquent unsecured tax processing; and tax-defaulted property sales.
  - Auditor-Controller: roll extension and levy; apportionment and distribution to taxing agencies; refunds; and corrections.
  - Supporting capabilities: staff lookup tools, public web payment portal, returned-mail processing, trust accounting, and redemption payment plan management.
- **Notable preference:** The County prefers a product already in production in at least one California county.
- **OEMs and vendors:** No OEMs or vendors are named in the opportunity.

### Description

The County of San Luis Obispo Auditor-Controller-Treasurer-Tax Collector is seeking information from vendors offering existing commercial property tax software, with a primary interest in products already in production in California counties. The County plans to replace its in-house PTAX system and supporting applications with a commercially supported system, not a custom-developed solution or rewrite. Desired functions include secured, unsecured, and supplemental billing and collection; delinquency and redemption; tax-defaulted property sales; roll extension and levy; apportionment and distribution; refunds; and corrections. Responses are due November 16, 2026, at 3:00 PM PST.

[View original listing](https://www.publicpurchase.com/gems/sanluisobispoco,ca/buyer/public/publicInfo)