GSA · CONUS Per Diem

Somerset, New Jersey GSA Per Diem Rates (FY2026)

Effective date: July 1, 2026 Last updated: October 1, 2025
Lodging (per night)
$138
Peak season
M&IE (per day)
$80
Maximum per diem
$218
Lodging + M&IE

Historical rate trend

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

Period Lodging M&IE Max per diem
FY2026 $138 $80 $218
FY2025 $138 $80 $218
FY2024 $153 $64 $217
FY2023 $153 $64 $217
FY2022 $153 $64 $217
FY2021 $153 $66 $219
FY2020 $155 $66 $221
FY2019 $149 $66 $215
FY2018 $148 $59 $207
FY2016 $140 $59 $199
FY2015 $135 $56 $191
FY2014 $133 $56 $189

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 Somerset, New Jersey. 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-NJ?city=Somerset"
Sample response
{
  "effective_date": "2026-07-01",
  "results": [
    {
      "destination": "Somerset",
      "lodging": 138,
      "meals_incidental": 80,
      "season_begin": "10/01",
      "season_end": "09/30",
      "state": "US-NJ"
    }
  ],
  "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.