What is the average cost of a prenup?

For middle-income couples in major U.S. metros, total cost (both spouses' attorneys combined) typically runs $1,500 to $5,000. Simple situations with minimal assets fall below that range. Complex situations involving business ownership, multiple states, or family wealth fall above it, sometimes substantially.

Is it worth paying for a prenup if my marriage might not even need one?

The economic logic is similar to insurance: the premium feels expensive when the risk doesn't materialize but cheap when it does. Most prenups never get used because most marriages don't end in divorce. The ones that do get used typically save 10x to 100x their cost in legal fees and asset preservation during the divorce. For couples with separate assets, expected inheritance, or significant earnings disparity, the math heavily favors execution.

Can one attorney represent both of us to save money?

Most attorneys won't because of conflict-of-interest concerns. The few who will require both spouses to sign written waivers acknowledging that the attorney represents only one of them. The cost savings are typically modest ($500 to $1,500), and the procedural vulnerability created is significant — agreements signed without independent counsel for both spouses are more vulnerable to later challenge.

Are online prenup services worth it?

For very simple situations, yes. For most couples with any meaningful complexity (real estate, retirement accounts, businesses, anticipated inheritance), the savings are not worth the procedural risk. Online services produce templates without legal review, without negotiation, and without the appearance of independent counsel that strengthens the agreement against later challenge.

How can I find a good prenup attorney?

State bar referral services and the American Academy of Matrimonial Lawyers (AAML) maintain directories of family law attorneys with prenup experience. Initial consultations are typically free or reduced-fee. Interviewing two or three attorneys before retaining one helps identify fit and confirms billing assumptions.

How Much Does a Prenup Cost? Real Numbers Behind the Price

How much does a prenup cost? The honest answer: between about $500 and $20,000, with most middle-income couples in major U.S. metros paying $1,500 to $5,000 total once both spouses have their own attorneys. The price spread is enormous because prenups are not commodity products — they range from short, mostly-template agreements covering simple separate-property issues to multi-state, multi-business, multi-trust documents that take months to draft. This guide breaks down what drives the price, what’s typically included at each price point, and how to keep costs down without producing a document that won’t hold up in court.

For the broader picture of what a prenup actually does, see our prenup pillar guide.

The four cost tiers in practice

Tier 1: DIY templates ($0 to $300)

Online template services like LegalZoom, Rocket Lawyer, and HelloPrenup offer prenuptial agreement templates that the couple completes themselves. Pricing typically falls between free (open-source legal templates that produce barely-usable drafts) and $300 (fuller-featured services with state-specific forms and basic guidance).

What you get: a state-specific template that covers basic separate-property issues, with fill-in fields for asset disclosures.

What you don’t get: any individualized legal advice, any review of unique facts, any negotiation of specific provisions, any independent representation for either spouse. The “no individual advice” piece is critical — the requirement of opportunity for independent counsel in most state laws is one of the things courts look at when evaluating whether a prenup was voluntarily executed.

When this tier makes sense: very simple situations with minimal separate property and no complications. A young couple with modest assets and similar incomes who want a basic agreement to cover student loans and pre-marriage savings could reasonably use a template at this tier — though they should still consider having even a single attorney review the final document before signing.

Tier 2: Single attorney drafting ($800 to $2,500 total)

One attorney drafts the agreement, both spouses sign without independent representation. The “single-attorney” model is procedurally riskier because most states emphasize the importance of each spouse having had the opportunity for independent counsel.

What you get: a customized agreement drafted by an attorney, with attorney review of disclosures and proper execution.

What you don’t get: independent advocacy for the non-represented spouse. Most attorneys will not draft prenups in this model precisely because of the conflict of interest concerns; some will, but only with a clear written waiver of the right to independent counsel by the other spouse.

When this tier makes sense: rarely. Even modest prenups usually benefit from having both spouses independently represented, and the cost difference between this tier and the next is typically a few hundred dollars per spouse, not a few thousand.

Tier 3: Both spouses with independent counsel ($1,500 to $5,000 total)

The standard model for solidly-executed prenups. One attorney drafts; the other reviews on behalf of the second spouse and negotiates specific provisions. Each spouse pays their own attorney $750 to $2,500.

What you get: properly drafted, properly negotiated, properly executed prenup with strong procedural protection against future challenge. Each spouse has had the opportunity to ask their own attorney “is this fair to me?” and to negotiate changes.

When this tier makes sense: most prenups for middle-income couples. Anyone with student loan debt, real estate, retirement accounts, or expected family inheritance falls into this tier.

Tier 4: Complex, high-stakes, or interstate prenups ($5,000 to $20,000+)

Complex prenups involve circumstances that materially expand the drafting work: business ownership requiring valuation issues, multi-state real estate, international elements, family trusts, expected inheritance from family wealth, second marriages with children from prior relationships, or significant earnings disparity that needs careful structuring.

What you get: multi-month drafting process with potential involvement of business valuation experts, tax professionals, estate planning specialists, and possibly forensic accountants. The agreement is typically 30+ pages with appendices addressing specific scenarios.

When this tier makes sense: when at least one spouse has substantial business, real estate, or family wealth interests that need to be addressed with care.

What drives the cost

Complexity of the assets and liabilities. A spouse with one bank account and a car is fast to draft for; a spouse with three businesses, two real estate parcels, a trust beneficiary interest, and stock options requires extensive disclosure and provision-drafting.
Spouses’ ability to agree on terms. Couples who arrive aligned on the basic structure save money. Couples who disagree on fundamental issues — should the prenup waive spousal support? Should appreciation on the family business be marital? — generate billable negotiation time on both sides.
State law requirements. Some states (California, Wisconsin) have specific procedural requirements that add billable hours. California’s seven-day rule, for example, requires careful timing of presentation and signing.
Geographic market. Family law attorneys in major coastal cities charge more than attorneys in smaller markets. A New York or San Francisco prenup runs more than the same agreement in Indianapolis or Salt Lake City.
Attorney experience level. A junior associate at a family law firm bills $250 to $400 per hour. A senior partner bills $500 to $1,200. Complex prenups warrant senior expertise; simpler prenups don’t.
How much each side requires negotiation. Aggressive negotiation by either side multiplies costs. Reasonable cooperation reduces them.

Cost breakdown by line item

Initial consultation: $0 to $400 per attorney. Many family law attorneys offer free or reduced-fee initial consultations.
Drafting the agreement: 4 to 20 hours of attorney time, billed at the attorney’s hourly rate. The drafting attorney typically does the bulk of this work.
Reviewing the draft for the second spouse: 2 to 8 hours of attorney time on the reviewing side.
Negotiation: 2 to 20+ hours depending on how much disagreement exists. Each round of revisions involves both attorneys.
Asset and liability disclosures: Spouses’ time gathering documents, plus 1 to 4 hours of attorney time per spouse to review and present.
Final execution: 1 to 2 hours per spouse, including notarization.
Outside expert fees (when needed): Business valuations $3,000 to $20,000+. Tax counsel $300 to $700/hour. Forensic accountants $250 to $500/hour.