How do I calculate a Creston trip total?

Use the GSA per diem calculator with California and this ZIP or locality selected. Lodging is per night; M&IE is 100% on full days and 75% on the first and last calendar days.

Creston per diem rates

Q: What is the GSA per diem rate for Creston?

GSA does not list Creston as its own key city. ZIP 93432 maps to San Luis Obispo: $86 M&IE and peak lodging $203.

San Luis Obispo County · ZIP 93432 · FY 2026

Official travel to Creston in San Luis Obispo County (sample ZIP 93432) is not its own GSA key city. GSA maps this ZIP to the San Luis Obispo high-cost locality : $86 M&IE and peak lodging $203.

First and last travel days use 75% of M&IE ($64.5). Lodging is a monthly maximum (before tax). Statewide default CONUS is $110 lodging + $68 M&IE when no higher locality applies.

Assigned M&IE: $86
Peak lodging: $203

Calculate Creston per diem San Luis Obispo monthly table

Example: 3-night trip in Creston

Four travel days at the assigned San Luis Obispo caps: two at 75% M&IE and two at 100%, plus three nights at peak lodging $203.

Lodging: 3 × $203 = $609
M&IE: 2 × $64.5 + 2 × $86 = $301
Estimated total: $910

Frequently asked questions

What is the GSA per diem rate for Creston?

GSA does not publish a separate key-city rate named Creston. ZIP 93432 maps to San Luis Obispo: $86 M&IE and peak lodging $203.

How do I calculate a trip to Creston?

Open the GSA calculator with this locality selected, or enter ZIP 93432. First and last days are 75% of M&IE.

Other cities in San Luis Obispo County

Nearby California high-cost localities

Planning aid only · ZIP maps to a GSA destination ID · Methodology