PropertyTaxCalendar
Menu

2026–2027 due-date report

May 2027 property tax dates

10 dates announced by counties and 150 dates set by law in the verified sample.

Last updated October 26, 2026, US Central build date. A listed due date is not necessarily the last day to pay without a penalty. Select a date to read its official quotation below. These are county and payment-plan records, not a complete national schedule.

Dates announced by counties

Sources. Checked to .

  • Clackamas County, OR

    Final one-third installment

    Due . Officially published.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Clatsop County, OR

    Third installment

    Due . Officially published.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Deschutes County, OR

    Third installment

    Due . Officially published.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Lane County, OR

    Final one-third installment

    Due . Officially published.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Lynchburg city, VA

    Real estate tax installment #4

    Due . Officially published.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Multnomah County, OR

    Third installment

    Due . Officially published.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Washington County, OR

    Third installment

    Due . Officially published.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Gallatin County, MT

    Second real-property installment

    Due . Officially published.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Sanders County, MT

    Second half of 2026 real property taxes

    Due . Officially published.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Silver Bow County, MT

    Second half of 2026 real property taxes

    Due . Officially published.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

Dates set by law

Sources. Checked to .

  • Polk County, OR

    Final third (statutory date)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Umatilla County, OR

    Final third

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Yamhill County, OR

    Final one-third — statutory date

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Beaverhead County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Big Horn County, MT

    Second half, ordinary two-payment schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Blaine County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Broadwater County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Carbon County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Carter County, MT

    Second half, ordinary real estate schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Cascade County, MT

    Second half, ordinary two-payment schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Chouteau County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Custer County, MT

    Second half, ordinary two-payment schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Daniels County, MT

    Second half, ordinary real estate schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Dawson County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Deer Lodge County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Fallon County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Fergus County, MT

    Second half, ordinary two-payment schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Flathead County, MT

    Second half — statutory date; holiday adjustment applies

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Garfield County, MT

    Second half, ordinary real estate schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Glacier County, MT

    Second half, ordinary two-payment schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Golden Valley County, MT

    Second half, ordinary real estate schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Granite County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Hill County, MT

    Second half, ordinary two-payment schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Jefferson County, MT

    Second half, ordinary two-payment schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Judith Basin County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Lake County, MT

    Second half, ordinary two-payment schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Liberty County, MT

    Second half, ordinary real estate schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Lincoln County, MT

    Second half, ordinary two-payment schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Madison County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • McCone County, MT

    Second half, ordinary real estate schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Meagher County, MT

    Second half, ordinary real estate schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Mineral County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Musselshell County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Park County, MT

    Second half, ordinary two-payment schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Petroleum County, MT

    Second half, ordinary real estate schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Pondera County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Powder River County, MT

    Second half, ordinary real estate schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Prairie County, MT

    Second half, ordinary real estate schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Ravalli County, MT

    Second half

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Richland County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Roosevelt County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Rosebud County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Sheridan County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Stillwater County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Sweet Grass County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Teton County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Toole County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Treasure County, MT

    Second half, ordinary real estate schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Valley County, MT

    Second half of real-estate tax (standard two-installment schedule)

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

  • Wheatland County, MT

    Second half, ordinary real estate schedule

    Due . Set by law.

    Last day to pay without a penalty: not yet verified. Confirm with the county.

Sources

Sources. Checked to .

Read source quotations (16)
  1. The remaining one-third on or before May 15 next following.

    Official source 1. Set by law. Checked Oct 24, 2026.

  2. The remaining one-third on or before May 15 next following.

    Official source 2. Set by law. Checked Oct 25, 2026.

  3. The first one-third on or before November 15; The second one-third on or before February 15; and The remaining one-third on or before May 15 next following.

    Official source 3. Set by law. Checked Oct 24, 2026.

  4. No discount is allowed on a 1/3 payment by November 16, 2026, with additional 1/3 payments due on February 16, 2027, and May 17, 2027.

    Official source 4. Officially published. Checked Oct 24, 2026.

  5. Pay in three installments: November 16, 2026 February 15, 2027 May 17, 2027

    Official source 5. Officially published. Checked Oct 25, 2026.

  6. May 17th, 2027 - Monday

    Official source 6. Officially published. Checked Oct 24, 2026.

  7. May 17, 2027 – Third Trimester

    Official source 7. Officially published. Checked Oct 24, 2026.

  8. Monday, May 17, 2027

    Official source 8. Officially published. Checked Oct 25, 2026.

  9. Taxes may be paid, without discount, in three equal installments due Nov. 16, 2026, Feb. 16, 2027, and May 17, 2027.

    Official source 9. Officially published. Checked Oct 24, 2026.

  10. Taxes may be paid in three installments due November 16, 2026; February 16, 2027; and May 17, 2027.

    Official source 10. Officially published. Checked Oct 24, 2026.

  11. Except as provided in subsection (2)(b), one-half of the taxes are payable on or before 5 p.m. on November 30 of each year or within 30 days after the tax notice is postmarked, whichever is later, and one-half are payable on or before 5 p.m. on May 31 of each year.

    Official source 11. Set by law. Checked Oct 25, 2026.

  12. one-half of the taxes are payable on or before 5 p.m. on November 30 of each year or within 30 days after the tax notice is postmarked, whichever is later, and one-half are payable on or before 5 p.m. on May 31 of each year.

    Official source 12. Set by law. Checked Oct 25, 2026.

  13. one-half of the taxes are payable on or before 5 p.m. on November 30 of each year or within 30 days after the tax notice is postmarked, whichever is later, and one-half are payable on or before 5 p.m. on May 31 of each year.

    Official source 13. Set by law. Checked Oct 24, 2026.

  14. 2026 REAL PROPERTY TAX BILLS WILL BE COMING OUT SOON. FIRST DUE DATE IS 30 DAYS FROM DATE OF THE BILL, SECOND DUE DATE IS MONDAY MAY 31ST 2027.

    Official source 14. Officially published. Checked Oct 24, 2026.

  15. The first half of 2026 real property taxes are due by November 30, 2026, and the second half will be due by May 31, 2027.

    Official source 15. Officially published. Checked Oct 25, 2026.

  16. The 2026 real property taxes 1st half is due November 30, 2026, taxes may be paid in full by the 1st half due date. The 2026 2nd half real property taxes are due May 31st, 2027.

    Official source 16. Officially published. Checked Oct 25, 2026.

Methodology and coverage limits | Download all report dates

Not tax or legal advice; confirm with your county.