# Western Asset California Municipal Money Market Fund — new fund registration

LEGG MASON PARTNERS MONEY MARKET TRUST registered fund series on Form 485APOS, filed 2009-05-29. Featured series: Western Asset California Municipal Money Market Fund.

## Registration

- Registrant / trust: LEGG MASON PARTNERS MONEY MARKET TRUST
- CIK: 0000747576
- Form: 485APOS
- Filed: 2009-05-29
- State of incorporation: MD
- Accession: 0000930413-09-002947

## Series & classes (8)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [Western Asset California Municipal Money Market Fund](https://search.stillhousedata.com/fund/S000016874) | Class A | — | — |
| [Western Asset California Municipal Money Market Fund](https://search.stillhousedata.com/fund/S000016874) | Class I | — | — |
| [Western Asset Massachusetts Municipal Money Market Fund](https://search.stillhousedata.com/fund/S000016875) | Class A | — | — |
| [Western Asset Massachusetts Municipal Money Market Fund](https://search.stillhousedata.com/fund/S000016875) | Class I | — | — |
| [Western Asset New York Municipal Money Market Fund](https://search.stillhousedata.com/fund/S000016876) | Class A | — | — |
| [Western Asset New York Municipal Money Market Fund](https://search.stillhousedata.com/fund/S000016876) | Class I | — | — |
| [Western Asset Municipal Money Market Fund](https://search.stillhousedata.com/fund/S000016877) | Class A | — | — |
| [Western Asset Municipal Money Market Fund](https://search.stillhousedata.com/fund/S000016877) | Class I | — | — |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.10%
- Gross expense ratio: 0.87%
- Management fee: 0.45%
- Net expense ratio: 0.60%
- Other expenses: 0.32%

## Investment objective

The fund seeks to provide income exempt from both regular federal income tax and California personal income tax from a portfolio of high quality short-term municipal obligations selected for liquidity and stability of principal.

## Other filings by this registrant (15)

- [485APOS — 2016-06-16](https://search.stillhousedata.com/launch/0001193125-16-622663)
- [485APOS — 2016-02-11](https://search.stillhousedata.com/launch/0001193125-16-459881)
- [485APOS — 2015-10-01 (5 new series)](https://search.stillhousedata.com/launch/0001193125-15-335065)
- [485APOS — 2010-06-16](https://search.stillhousedata.com/launch/0001193125-10-140812)
- [485APOS — 2010-05-24](https://search.stillhousedata.com/launch/0000930413-10-003024)
- [485APOS — 2010-03-26](https://search.stillhousedata.com/launch/0000930413-10-001627)
- [485APOS — 2009-10-19](https://search.stillhousedata.com/launch/0000930413-09-005242)
- [485APOS — 2009-10-16](https://search.stillhousedata.com/launch/0000930413-09-005228)
- [485APOS — 2008-07-03 (2 new series)](https://search.stillhousedata.com/launch/0000930413-08-004115)
- [485APOS — 2008-05-23](https://search.stillhousedata.com/launch/0000930413-08-003399)
- [485APOS — 2007-11-16](https://search.stillhousedata.com/launch/0001193125-07-249370)
- [485APOS — 2007-01-19 (14 new series)](https://search.stillhousedata.com/launch/0001193125-07-009138)

## More

- [Registrant profile: LEGG MASON PARTNERS MONEY MARKET TRUST](https://search.stillhousedata.com/registrant/747576)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0000930413-09-002947.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.