New Mexico at a glance
Partnership law
RUPA (revised)
LLC default split
Proportional to capital
Operating agreement
Not required
Community property
Yes
Formation cost
$50
Annual cost
No annual report fee
New Mexico has very low LLC costs with a $50 formation fee and no annual report requirement. The state is a community property state, but income from a separately owned business is generally treated as separate property.
Default partnership rules in New Mexico
New Mexico adopted RUPA, treating partnerships as separate entities. Profits and losses are shared equally by default. Partners have equal management rights and owe fiduciary duties.
The most important takeaway: profits are split equally by default in New Mexico, regardless of capital contributions. If you and a partner start a business and one of you invests $100,000 while the other invests $5,000, you still split profits 50/50 without a written agreement. This is true in every US state, including New Mexico.
LLC defaults in New Mexico
New Mexico allocates LLC profits and losses in proportion to capital contributions by default. An operating agreement is not required. The state does not charge an annual report fee, making it one of the cheapest states for ongoing LLC maintenance.
New Mexico defaults to proportional distributions based on capital contributions, which aligns better with many founders' expectations than equal-split states. However, capital contributions alone rarely tell the full story. A founder contributing time and expertise may receive nothing if they didn't invest cash. An operating agreement can account for all types of contributions. Our equity calculator can help you determine a fair arrangement.
What happens when a partner leaves in New Mexico
Under New Mexico's RUPA, a partner's departure does not dissolve the partnership. The partnership continues, and the departing partner is entitled to a buyout at fair value.
A written partnership agreement should still address departure terms specifically, including how the buyout value is calculated, the payment timeline, and any non-compete provisions. While RUPA provides a default framework, the details of a buyout can still lead to disputes if not spelled out in advance. Understanding the concept of dead equity is important for managing these situations. Learn more about how dead equity affects businesses.
Marriage and business equity in New Mexico
New Mexico is a community property state. Property acquired during marriage is community property. However, income from a separately owned business is generally treated as the separate property of the business-owning spouse. A business started before marriage remains separate property, but the community may have claims if community efforts or funds contributed to the business during the marriage.
While New Mexico is a community property state, income from a separately owned business is generally treated as separate property. This is more favorable for business owners than states like Texas and Idaho, where business income becomes community property. Still, prenuptial agreements provide additional protection and clarity, especially if the business grows significantly during the marriage.
Formation and cost considerations in New Mexico
| Formation cost | $50 |
| Annual/recurring cost | No annual report fee |
| State income tax | Yes |
| Partnership law | RUPA (revised) — partnership continues after departure |
| LLC default distributions | Proportional to capital contribution |
| Operating agreement | Not required (strongly recommended) |
Frequently asked questions
How much does a New Mexico LLC cost?
New Mexico has some of the lowest LLC costs in the country. Formation costs $50, and there is no annual report fee. Ongoing maintenance costs are minimal.
Is New Mexico a community property state?
Yes, but income from a separately owned business is generally treated as separate property. A business started before marriage remains separate, though community property claims can arise if community funds or efforts contributed to the business.
What is the default LLC profit split in New Mexico?
New Mexico defaults to proportional allocation based on capital contributions. An operating agreement can establish a different arrangement.
How do partnerships work in New Mexico?
New Mexico follows RUPA, which treats partnerships as separate entities, defaults to equal profit sharing, and allows a partner to leave without dissolving the partnership.
Related resources
- Equity calculator: find a fair split for your business
- Does your small business need an equity agreement?
- Equity for small businesses: the complete guide
- Dead equity calculator: how much is yours costing you?
- Slicing Pie calculator
- What is an operating agreement?
- All 50 states: partnership and LLC default rules
Partnership laws in neighboring states
Disclaimer: This page provides general information about New Mexico partnership and LLC default rules and is not legal advice. Laws change, and the information here may not reflect the most recent amendments. The formation costs and annual fees listed are approximate and may vary. Consult a qualified attorney licensed in New Mexico for advice specific to your situation. Equity Matrix is a software tool for tracking contributions and calculating equity; it does not provide legal services.
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