GSA · CONUS Per Diem

San Luis Obispo, California GSA Per Diem Rates (FY2026)

Effective date: July 1, 2026 Last updated: October 1, 2025
Lodging (per night)
$203
Peak season
M&IE (per day)
$86
Maximum per diem
$289
Lodging + M&IE

Seasonal breakdown

GSA sets seasonal lodging rates for San Luis Obispo: the nightly lodging ceiling changes during the year (it is highest in peak travel months), while the M&IE rate stays constant.

Season Lodging M&IE Max per diem
Jun 1 – Jul 31 $203 $86 $289
Aug 1 – Sep 30 $163 $86 $249
Oct 1 – May 31 $163 $86 $249

Historical rate trend

San Luis Obispo rate history — Max per diem ($/day). Query any past effective date directly via the API.

Period Lodging M&IE Max per diem
FY2026 $203 $86 $289
FY2025 $203 $86 $289
FY2024 $196 $74 $270
FY2023 $191 $74 $265
FY2022 $124 $74 $198
FY2021 $124 $71 $195
FY2020 $124 $71 $195
FY2019 $123 $71 $194
FY2018 $123 $64 $187
FY2016 $133 $64 $197
FY2015 $111 $66 $177
FY2014 $126 $66 $192

How this rate is used

This GSA per diem rate sets the maximum reimbursable lodging and meals & incidental expenses (M&IE) for federal employees and government contractors on temporary duty (TDY) travel to San Luis Obispo, California. Travel and expense systems use it as the ceiling for voucher reimbursement; contractors use it for DCAA-compliant travel cost modeling on proposals and invoices.

Get this data from the API

The exact request that returns this page's data. Change the date parameter to query any historical effective date, or pull it straight into your ERP, payroll, or expense system.

curl -H "X-API-Key: YOUR_KEY" \
  "https://api.allowancesapi.com/v1/gsa/perdiem/state/US-CA?city=San%20Luis%20Obispo"
Sample response
{
  "effective_date": "2026-07-01",
  "results": [
    {
      "destination": "San Luis Obispo",
      "lodging": 203,
      "meals_incidental": 86,
      "season_begin": "06/01",
      "season_end": "07/31",
      "state": "US-CA"
    }
  ],
  "verification_url": "https://www.gsa.gov/travel/plan-book/per-diem-rates"
}

Source & methodology

Effective period
Fiscal Year 2026 (Oct 1, 2025 – Sep 30, 2026)
Last updated
October 1, 2025

Allowances API is not affiliated with, endorsed by, or sponsored by any U.S. Government agency. All rate data is sourced from official public rate tables and re-published in a normalized format.