GSA · CONUS Per Diem

Boulder / Broomfield, Colorado GSA Per Diem Rates (FY2026)

Effective date: July 1, 2026 Last updated: October 1, 2025
Lodging (per night)
$173
Peak season
M&IE (per day)
$80
Maximum per diem
$253
Lodging + M&IE

Seasonal breakdown

GSA sets seasonal lodging rates for Boulder / Broomfield: 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
May 1 – Sep 30 $173 $80 $253
Oct 1 – Oct 31 $173 $80 $253
Nov 1 – Apr 30 $125 $80 $205

Historical rate trend

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

Period Lodging M&IE Max per diem
FY2026 $173 $80 $253
FY2025 $173 $80 $253
FY2024 $176 $69 $245
FY2023 $160 $69 $229
FY2022 $160 $69 $229
FY2021 $160 $66 $226
FY2020 $157 $66 $223
FY2019 $159 $66 $225
FY2018 $153 $59 $212
FY2016 $125 $59 $184
FY2015 $114 $61 $175
FY2014 $111 $61 $172

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 Boulder / Broomfield, Colorado. 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-CO?city=Boulder%20/%20Broomfield"
Sample response
{
  "effective_date": "2026-07-01",
  "results": [
    {
      "destination": "Boulder / Broomfield",
      "lodging": 173,
      "meals_incidental": 80,
      "season_begin": "05/01",
      "season_end": "09/30",
      "state": "US-CO"
    }
  ],
  "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.