All 33 New Mexico counties and county equivalents. 1 have been checked against the county's own schedule; the rest follow the state schedule below.
New Mexico statutory schedule
Instalment
Due
Notes
First half
November 11, 2026
Due November 10 of the tax year; the whole bill may also be paid then.
Second half
April 11, 2027
Second half due April 10 of the following year if the first half was paid.
www.srca.nm.gov An installment unpaid 30 days after its due date (December 10 or May 10) becomes delinquent and accrues 1% a month interest plus a 1% a month penalty capped at 5%, with a $5 minimum.
New Mexico property tax is billed and collected county by county, so the collector — not the state — issues the bill. All counties use the same November 10 and April 10 installments; the only local choice is whether sub-$10 bills are billed once.
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CountyTaxDates is an independent reference and is not a government agency. Deadlines change and exceptions apply — always confirm with your county treasurer using the official link on this page. Nothing here is tax, legal or financial advice.