How to sell to New Mexico counties

New Mexico has 33 counties. Counties are local public bodies under the state Procurement Code (NMSA 13-1-28 to 13-1-199), which covers every political subdivision of the state (NMSA 13-1-67). Counties use the same code as state agencies, run through a county central purchasing office, and add their own purchasing rules. Construction bonds and prevailing wage are in NMSA Chapter 13, Article 4. This guide cites a secondary copy of the statutes (Justia, 2025) because the official site did not load during our review.

At a glance

Topic	Rule	Source
Who buys	County central purchasing office led by a state-certified chief procurement officer	NMSA 13-1-37; 13-1-95.2
Goods and services	Up to $20,000 direct purchase order; up to $60,000 small purchase; above that sealed bids or proposals	NMSA 13-1-125
Construction	Same $20,000 and $60,000 levels	NMSA 13-1-125
Notice	Sealed bids: at least 10 days before opening, in a local newspaper	NMSA 13-1-104
Award	Sealed bids: lowest responsible bidder, by written notice	NMSA 13-1-108
Bid security	Not confirmed; check the solicitation	—
Bonds	Construction over $25,000: 100% performance and 100% payment	NMSA 13-4-18
Prevailing wage	Construction contracts over $60,000	NMSA 13-4-11
Retainage	Retainage Act exists; terms for counties not confirmed	NMSA 57-28
Prompt payment	30 days after acceptance; 1.5% per month late charge	NMSA 13-1-158
Cooperative purchasing	Allowed with governing body approval; state price agreements	NMSA 13-1-135
Preferences and certifications	8% resident or Native American business; 10% resident veteran business	NMSA 13-1-21
Architects and engineers	Qualifications-based selection; price not a factor	NMSA 13-1-120

Who buys

Each county is governed by an elected Board of County Commissioners. Procurement runs through the county's central purchasing office, the office responsible for controlling procurement (NMSA 13-1-37). Most local public bodies must designate a chief procurement officer certified by the state General Services Department, renewed every two years (NMSA 13-1-95.2, per the Office of the State Auditor).

Goods and services

Amount (excluding gross receipts tax)	Method
Up to $20,000	Direct purchase order at the best obtainable price
Up to $60,000	Small purchase rules the county adopts; professional services under professional-services rules
Over $60,000	Competitive sealed bids or competitive sealed proposals

Sources: NMSA 13-1-125, with the current amounts shown in 2025 SB 206 and the agency analysis of 2026 SB 153. Purchases may not be split to fit under a small-purchase limit (NMSA 13-1-125(D)).

The statute does not set the number of quotes between $20,000 and $60,000; each county's small purchase rules do. Grant County's rules, for example, require three quotes for smaller purchases and exempt purchases from state price agreements, GSA contracts and approved cooperative contracts, plus sole source and emergency purchases (Grant County Resolution R-13-67).

Bills in 2025 (SB 206) and 2026 (SB 153) proposed raising these amounts, for example small purchases to $100,000. The City of Santa Fe's March 2026 ordinance still treated $100,000 as a level that applies only if the legislature raises it. Confirm current amounts with the county.

Construction and public works

The same $20,000 and $60,000 levels in NMSA 13-1-125 cover construction. We found no separate county road or bridge threshold.

Bid security. Not confirmed; check the solicitation.

Bonds. Construction contracts over $25,000 need a 100% performance bond and a 100% payment bond. The central purchasing office may reduce either to no less than 50% under stated conditions. At $25,000 or less, bonds are at the county's discretion (NMSA 13-4-18).

Retainage. See Getting paid below.

Notice and award

Notice. Competitive sealed bids are advertised at least 10 calendar days before opening. A county's central purchasing office publishes at least once in a newspaper of general circulation in its area, and may add trade journals (NMSA 13-1-104). The website-only option in that section is stated for the state purchasing agent, not counties.

Award. Sealed bids are awarded "with reasonable promptness by written notice to the lowest responsible bidder" (NMSA 13-1-108). We did not confirm the RFP evaluation rules for counties; read the solicitation.

Prevailing wage

Prevailing wage applies to contracts over $60,000 for construction, alteration, demolition or repair to which the state or a political subdivision is a party. A 2025 amendment, effective June 20, 2025, also covers county and municipal projects financed with industrial revenue bonds (NMSA 13-4-11).

Getting paid

Payment. Under the Procurement Code, payment is due within 30 days after the county certifies acceptance. After day 30, late charges of 1.5% per month apply. A local public body waiting on state or federal grant funds pays within five working days after it receives them (NMSA 13-1-158).

Retainage. New Mexico's Retainage Act (NMSA 57-28-1 to 57-28-11) includes sections on prompt pay, withholding and final payment. We did not confirm the retainage percentage, release timing or how it applies to counties. Check the contract.

Cooperative purchasing and state contracts

Any local public body may join, sponsor or run cooperative procurement agreements with other agencies, local public bodies or external procurement units. Each governing authority must approve, and a signed copy is filed with the state purchasing agent. Central purchasing offices may also work with the state purchasing agent to use state contracts and price agreements (NMSA 13-1-135). The General Services Department offers statewide price agreements. See cooperative purchasing.

Preferences and required certifications

Under NMSA 13-1-21, public bodies, including political subdivisions, apply these preferences:

Resident business or Native American resident business: bid treated as 8% lower, or equivalent RFP points.
Resident veteran business with annual revenue up to $6 million: 10%.
The vendor needs a certificate from the Taxation and Revenue Department (NMSA 13-1-22, as referenced in 13-1-21).
The preferences do not apply when federal funds are used.

County E-Verify, Israel boycott, Iran divestment, debarment and non-collusion requirements were not confirmed. Check the solicitation.

Architects and engineers

State and local public works use qualifications-based selection. A local selection committee evaluates at least three firms and ranks them by qualifications. Price is not a criterion for architects, engineers, landscape architects or surveyors, though it may be for construction manager contracts. The local governing authority makes the award (NMSA 13-1-120).

Recent changes

2025 (proposed): SB 206 would have raised the small purchase and direct purchase order amounts.
June 20, 2025: Prevailing wage extended to county and municipal projects financed with industrial revenue bonds (NMSA 13-4-11).
2026 (proposed): SB 153 again proposed raising the amounts. The City of Santa Fe's March 25, 2026 ordinance still described the current $60,000 level as in force.

Practical tips for New Mexico

Get your resident business certificate from the Taxation and Revenue Department before you bid.
Get on state price agreements and cooperative contracts; counties can often buy from them without a new bid.
Ask for the county's purchasing resolution to see its quote rules under $60,000.
Line up 100% bonds for construction over $25,000.
Check New Mexico counties for each county's bid platform, contacts and agendas.

Questions

What are the purchasing thresholds for New Mexico counties?

Up to $20,000, excluding gross receipts tax: a direct purchase order at the best obtainable price. Up to $60,000: small purchase rules. Above that, competitive sealed bids or proposals (NMSA 13-1-125, as shown in 2025 SB 206 and the 2026 SB 153 analysis). Bills have proposed raising these amounts.

How are New Mexico county bids advertised?

At least 10 calendar days before bid opening, with at least one notice in a newspaper of general circulation in the county's area (NMSA 13-1-104).

What bonds do New Mexico county construction contracts need?

Over $25,000, a 100% performance bond and a 100% payment bond. The county may reduce either to no less than 50% under stated conditions; at $25,000 or less bonds are optional (NMSA 13-4-18).

When does New Mexico prevailing wage apply to county projects?

On construction, alteration, demolition or repair contracts over $60,000 to which a political subdivision is a party. Since June 20, 2025 it also covers county projects financed with industrial revenue bonds (NMSA 13-4-11).

How fast must a New Mexico county pay?

Within 30 days after it certifies acceptance. After that, late charges of 1.5% per month apply (NMSA 13-1-158).

Does New Mexico give a preference to in-state businesses?

Yes. A certified resident or Native American resident business has its bid treated as 8% lower; a resident veteran business with up to $6 million in revenue gets 10%. The preference does not apply when federal funds are used (NMSA 13-1-21).

Who runs procurement in New Mexico counties?

A chief procurement officer certified by the state General Services Department, who must renew certification every two years (NMSA 13-1-95.2, per the Office of the State Auditor).

Sources

Last reviewed Oct 31, 2026. This is general information, not legal advice. Laws and thresholds change; check the current statute and the bid documents.