Construction / Gas Fitter License / New Mexico
- New Mexico
- MM-2 Natural Gas Fitting
- Contractor Classification
- Updated Oct 2026
How to Get Your New Mexico MM-2 Natural Gas Fitting License
What the MM-2 classification covers, the experience and exams you need, and how to apply with New Mexico’s Regulation and Licensing Department.
Last updated October 27, 2026 from New Mexico Regulation and Licensing Department, Construction Industries requirements
Application fee
$36
$30 application + $6 certificate; plus $137.76 in exams
Exam time
~6.4 hrs
255-min MM-2 + 130-min Business & Law
Time to get license
~4 yrs
8,000 hours of experience
Continuing ed
16 hrs
Required for this license
Overview
Do you need a New Mexico gas fitter license?
Yes. To contract natural gas piping and gas heating work in New Mexico, you need the MM-2 Natural Gas Fitting classification, held through an approved Qualifying Party. You also pass the state Business and Law exam.
License required when
- You install, alter, repair or service natural gas piping and fittings
- You install steam and hot water boilers, or hot water systems over 30 psi or 400,000 Btu/hour input
- You install warm air heating systems, chimney connections, flues and burners
- You install warm air appliances and other listed gas appliances
Common exceptions
- LP gas systems aren’t covered by the MM-2 classification
- Our source doesn’t list exemptions, so ask the Construction Industries Division before doing gas work without a license
Penalties for unlicensed work
Our source doesn’t list penalty amounts. The Regulation and Licensing Department licenses construction trades statewide and can take enforcement action against unlicensed contracting. Check current rules with the department.
Your fast-track New Mexico gas fitter license checklist
The New Mexico application, one page
- Proof of 4 years (8,000 hours) of experience
- Passing score on the MM-2 exam
- Passing score on the Business and Law exam
- Approved Qualifying Party
- Completed application, documents and license fee
Types
New Mexico gas fitter license types and classifications
MM-2 is a mechanical classification for natural gas work. It does not include LP gas systems.
MM-2
Natural gas
Natural Gas Fitting
Natural gas piping and fittings, incidental controls and control wiring, pneumatic controls, trenching and backfill, boilers, warm air heating systems and listed gas appliances. No LP gas systems.
Exam
MM-2 + Business & Law
Limit
Not stated
Requirements
New Mexico gas fitter license requirements, class by class
There’s one path to MM-2: experience, two exams and an approved Qualifying Party.
| Requirement | MM-2 Natural Gas Fitting |
|---|---|
| Experience | 4 years (8,000 hours) |
| Trade exam | MM-2, 100 questions, 75% to pass |
| Business & Law exam | Required, 50 questions |
| Qualifying Party | Must be approved |
| Continuing education | 16 hours |
| Minimum age | Not stated |
Steps
How to get your New Mexico gas fitter license, step by step
- Build your experience~4 years
You need 4 years, or 8,000 hours, of experience in the trade. - Schedule both exams with PSIBefore you apply
Book the MM-2 and Business and Law exams at psiexams.com or by calling 855-807-3994. Test centers are in larger cities. - Pass the MM-2 examExam day
100 questions in 255 minutes, open book, 75% to pass. - Pass Business and LawExam day
50 questions in 130 minutes. After you pass, you get an email with your pass information attached. - Become an approved Qualifying PartyBefore licensing
The MM-2 is held through an approved Qualifying Party, so you need that approval to license. - Mail your applicationLicense fee
Mail the completed application, required documents and license fee to the address on the application, or submit online through the Construction Industries site.
Exam
What to expect on the New Mexico gas fitter exam
You take two exams: the MM-2 Natural Gas Fitting trade exam and the Business and Law exam. Both are open book, and references can be tabbed and highlighted.
Format
Open book
Questions
100 + 50
Passing score
75% (MM-2)
Exam vendor
PSI
Scoring & content
- MM-2: 100 questions, 255 minutes, 75% to pass
- MM-2 topics: piping, gas sizing, safety and testing, appliances, combustion air, chimneys, flues and vents, heating systems
- Business and Law: 50 questions, 130 minutes, covering licensing, estimating, finance, taxes, labor law, liens, contracts and safety
- MM-2 references: 2021 Uniform Mechanical Code, 2021 Uniform Plumbing Code, Modern Refrigeration and Air Conditioning, IPT Pipe Trades Handbook, New Mexico Plumbing and Mechanical Codes (Title 14)
- Business and Law reference: NASCLA Contractors Guide to Business, Law and Project Management, Basic Edition
Retake policy
- Retake rules aren’t stated in our source; check with PSI
- Business and Law passing score isn’t stated in our source
- Schedule or reschedule with PSI at 855-807-3994
- Retakes cost the same $68.88 per exam as a first attempt
Exam references · Open book
The MM-2 Natural Gas Fitting and Business and Law exams are open book: the references below can be tabbed, highlighted and used during the test. Print the New Mexico code chapters to bring with you.
| Book | Edition | Use |
|---|---|---|
| Uniform Mechanical Code (UMC) — MM-2 exam | 2021 | Allowed in exam |
| Modern Refrigeration and Air Conditioning — MM-2 exam | 22nd edition | Allowed in exam |
| IPT Pipe Trades Handbook — MM-2 exam | Not stated | Allowed in exam |
| Uniform Plumbing Code (UPC) — MM-2 exam | 2021 | Allowed in exam |
| New Mexico Plumbing Code (NMAC Title 14, Chapter 8) — MM-2 exam | Not stated | Allowed in exam |
| New Mexico Mechanical Code (NMAC Title 14, Chapter 9) — MM-2 exam | Not stated | Allowed in exam |
| NASCLA Contractor’s Guide to Business, Law and Project Management, Basic Edition — Business and Law exam | Basic Edition | Allowed in exam |
Prep
Best New Mexico gas fitter exam prep, compared
We haven’t compared prep courses for this exam yet.
Costs
How much does a New Mexico gas fitter license cost?
| Item | Type | Estimate |
|---|---|---|
| Qualifying Party application fee | Fixed | $36 |
| MM-2 exam | Fixed | $68.88 |
| Business and Law exam | Fixed | $68.88 |
| License application fee | Fixed | $36 |
| MM-2 classification license fee | Fixed | $150 |
| Code books for the open-book exams | Variable | Varies |
| Continuing education (16 hrs) | Variable | Varies |
| State fees and exams | Excludes code books, CE and bond | $359.76 |
Fees from the PSI New Mexico licensing fee schedule, contractor and Qualifying Party applications and PSI candidate information bulletin (updated 4/3/2026), checked October 2026.
Reciprocity
Does New Mexico accept out-of-state gas fitter licenses?
New Mexico’s reciprocity agreements cover journeyman licenses. Our source doesn’t list any agreement for the MM-2 contractor classification.
Alaska, Arkansas, Colorado, Idaho, Montana, Nebraska, Oklahoma, South Dakota, Texas, Utah, Wyoming — journeyman licenses only
These agreements apply to journeyman licenses. Confirm with the Regulation and Licensing Department whether anything carries over to MM-2.
MM-2 classification — no agreement stated
Plan to apply as a new applicant and take both the MM-2 and Business and Law exams.
Local
Do New Mexico cities and counties have their own gas fitter licensing rules?
The MM-2 is a statewide classification. Local building departments still handle permits and inspections.
State handles
- MM-2 and other contractor classifications
- Qualifying Party approval
- Exams, through PSI
- Continuing education requirements
City & county handle
- Mechanical and gas permits
- Inspections of gas piping and appliances
- Local business registration, where required
Governance
Who regulates gas fitters in New Mexico
Licensing authority
New Mexico Regulation and Licensing Department, Construction Industries
505-476-4500
Oversight responsibilities
- Issues contractor classifications including MM-2
- Approves Qualifying Parties
- Sets continuing education requirements
- Handles renewals and enforcement
Maintenance
How to renew your New Mexico gas fitter license and keep it active
New Mexico requires 16 hours of continuing education for this license. Contractor licenses run three years, and renewal costs the same $150 classification fee as a new license. Late renewals cost $1 a day for the first 30 days and the equivalent of one year’s fee from 30 to 90 days; after 90 days the license is cancelled.
Renewal cycle
3 years
CE hours
16
Renewal fee
$150
Late penalty
$1/day (1–30 days)
FAQ
New Mexico gas fitter license FAQs
What does the MM-2 license cover?
Natural gas piping and fittings, controls, boilers, warm air heating systems and listed gas appliances. It doesn’t cover LP gas systems.
How much experience do I need for MM-2?
4 years, or 8,000 hours.
How many exams do I take?
Two: the MM-2 Natural Gas Fitting exam (100 questions, 75% to pass) and the Business and Law exam (50 questions).
Are the exams open book?
Yes. Approved references can be tabbed, highlighted and used during the test.
Who gives the exams?
PSI. Schedule online or call 855-807-3994.
Is continuing education required?
Yes. New Mexico requires 16 hours of continuing education for this license.
Does New Mexico accept my out-of-state license?
New Mexico’s agreements cover journeyman licenses with 11 states. Our source lists none for MM-2, so expect to apply as a new applicant.
Sources
Official sources for the New Mexico gas fitter license
- New Mexico Regulation and Licensing Department, Construction Industries
- PSI, New Mexico exam catalog
- New Mexico Plumbing Code, Title 14
- New Mexico Mechanical Code, Title 14
- PSI, New Mexico licensing fees (PDF)
- PSI, New Mexico contractor examinations candidate information bulletin (PDF)
- PSI, NM CID contractor license application (PDF)
- PSI, NM CID Qualifying Party certificate application (PDF)
- New Mexico Regulation and Licensing Department, Apply for a Construction Industries license
Last updated October 27, 2026. Spot something out of date? Tell us.
Exam Insiders is an independent guide and is not affiliated with the New Mexico Regulation and Licensing Department.