GSA · CONUS Per Diem

Santa Monica, California GSA Per Diem Rates (FY2026)

Effective date: July 1, 2026 Last updated: October 1, 2025
Lodging (per night)
$273
Peak season
M&IE (per day)
$92
Maximum per diem
$365
Lodging + M&IE

Historical rate trend

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

Period Lodging M&IE Max per diem
FY2026 $273 $92 $365
FY2025 $273 $92 $365
FY2024 $298 $79 $377
FY2023 $284 $79 $363
FY2022 $284 $79 $363
FY2021 $284 $76 $360
FY2020 $301 $76 $377
FY2019 $299 $76 $375
FY2018 $307 $64 $371
FY2016 $252 $64 $316
FY2015 $230 $71 $301
FY2014 $216 $71 $287

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 Santa Monica, 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=Santa%20Monica"
Sample response
{
  "effective_date": "2026-07-01",
  "results": [
    {
      "destination": "Santa Monica",
      "lodging": 273,
      "meals_incidental": 92,
      "season_begin": "10/01",
      "season_end": "09/30",
      "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.