A hotel room block for a wedding looks like a favor the hotel is doing you. Sign the wrong version of it and you have guaranteed a hotel's revenue with your own money, months before a single guest books. Most couples find out in an invoice that arrives after the honeymoon. The difference between the two versions is one clause, and it takes about ten minutes to read.
Two kinds of block, and only one of them can bill you
Every hotel calls it a room block. The contract underneath is one of two products, and the cover page does not reliably tell you which one you are holding.
A courtesy block holds a set number of rooms at a negotiated rate until a release date. If nobody books them, they return to general inventory and you owe nothing. No deposit, no minimum, no signature that creates a debt.
A contracted block, often called guaranteed, holds the same rooms in exchange for a commitment. You promise the hotel a level of occupancy. If your guests fall short of it, you pay the difference, and the hotel is free to resell those rooms to somebody else at the same time.
| Block type | What unbooked rooms cost you |
|---|---|
| Courtesy / open block | $0 – rooms release at cut-off |
| Contracted, with shrinkage allowance | The gap below your pickup floor |
| Contracted, with a resell clause | That gap, minus anything the hotel rebooks |
| Contracted, no allowance | Every room below 100% pickup |
Below about 10 rooms most hotels will not open a block at all. Between 10 and 25 rooms a courtesy block is usually available for the asking, and many properties grant one to a wedding without being pushed. Above that, hotels start asking for a signature, and the signature is where liability begins.
Attrition is the number that sets your exposure
Attrition charges you for rooms your guests did not book. Contracts express it as a pickup requirement rather than a loss: at 80% pickup you must fill 80% of the room nights you blocked, and you pay for the gap between that floor and what guests actually reserved.
Most group contracts set pickup between 80% and 90%, which leaves a 10% to 20% shrinkage allowance. That allowance is the most valuable line in the document and the easiest one to move, because it costs the hotel nothing unless the block underperforms.
Then there is the unit, which is where the arithmetic goes wrong. Contracts are written in room nights. One room occupied for one night is one room night, so a 25-room block across Friday and Saturday is not a 25-room commitment. It is 50 room nights, and the percentage multiplies the larger number.
| Line | Figure |
|---|---|
| Rooms held, Friday and Saturday | 25 per night |
| Room nights committed | 50 |
| Pickup floor at 80% | 40 room nights |
| Guests actually book | 31 room nights |
| Shortfall billed to you | 9 room nights |
| At a $189 group rate | $1,701 |
Nine rooms nobody slept in, charged at a rate you negotiated down, is $1,701 against a US median wedding spend of $18,231. That is roughly a tenth of a median American wedding, spent on empty rooms, and it does not come out of a contingency line because most couples never created one for it.
There is a worse version. Many contracts measure pickup night by night rather than across the whole block. A wedding where Saturday sells out and Friday sits half empty can clear 90% overall and still generate a bill, because Friday failed on its own terms. Ask for attrition to be calculated cumulatively across all contracted nights. It is one sentence, and it closes the most common way couples get charged.

How many rooms, and for which nights
Block for the guests who cannot drive home, not for the guest list. Start from the number traveling in, divide by two for couples sharing a room, then cut the result by about 20% before you commit to anything.
That reduction is not pessimism. Some guests stay with family, some book a rental, and some find a cheaper property two blocks away, which they are entitled to do. Against a national guest average near 117, a wedding with 60 people traveling is a realistic block of roughly 24 rooms, not 60.
Nights matter more than room counts. Friday usually fills first, because the rehearsal dinner pulls out-of-town guests in a night early, and Sunday is usually the night that collapses. If you can only commit to one night with confidence, commit to Saturday and leave the others as a courtesy hold.
There is a floor below which none of this pays. Under roughly 20 traveling guests, a discount on 10 room nights will not cover the risk of signing for them, and a wedding small enough to make that true usually has a different cost structure everywhere else too. Send three hotel names and let people book themselves.
The cut-off date does two jobs
The cut-off commonly lands 21 to 30 days before arrival. Two things happen on that date, and couples generally only know about the first.
Unbooked rooms release back to the public, and the group rate leaves with them. A guest who calls on day 29 is quoted whatever the hotel is charging that weekend, which in season is the number your block was discounting away from.
The second job is the rooming list. Many contracts make the cut-off the deadline for naming who is in which room, and pickup is measured against that list. A guest who booked outside the block, on a travel site or with points, does not count toward your pickup even though they are asleep in the building.
It is entirely possible to fill a hotel with your own wedding guests and still owe attrition, because they booked the wrong way.
Which makes the booking instructions part of the contract, not an afterthought. One link, one code, repeated in every place guests look, is worth more than another five rooms in the block.
Comp rooms are earned, not given
The complimentary room is sold to couples as a gift. It is a formula. The common standard is one free room night for every 40 room nights the block picks up, sometimes 1 per 50 at properties with less to prove.
Two things follow from that. The comp is earned on picked-up room nights rather than on rooms you blocked, so a block that underperforms loses the free room and triggers attrition in the same stroke. And where the ratio is written per night, a block spread thin across three nights can earn nothing while the same volume concentrated on one night earns two.
Ask for the ratio in writing and ask for it cumulative. Then ask for late check-out rather than an upgrade, because the comp room is where you will get ready, which makes it the staging point for everything that has to stay within arm's reach from the first hairpin to the last steamed hem.
The group rate is not what your guest pays
A rate quote is a starting point, not a total. Short-term lodging now has to put mandatory charges into the advertised price under the FTC's Rule on Unfair or Deceptive Fees, and the Commission's own worked example is a $199 nightly rate with a $39 mandatory resort fee that must appear in the total. A resort fee attached to your block is a real part of what guests pay.
Government charges sit outside that total, and they are not small. Texas alone levies a state hotel occupancy tax of 6 percent on any room costing $15 or more a day, and cities, counties and special purpose districts add local hotel tax on top of it.
So a $189 group rate is $189 plus state and local tax to your guest, while your attrition exposure is usually calculated on the room rate alone. Both numbers are real and they are not the same number. Ask which one appears in the attrition clause before you assume the cheaper one does.
How to negotiate the contract
Hotels expect a negotiation on group business, and a wedding block is among the easiest group business they take: a fixed date, a countable list and a client who will not audit the folio. Ask in this order.
- A courtesy block first, in those words. Many properties will grant one on 10 to 25 rooms and never raise attrition again.
- If it has to be contracted, push pickup down to 80% and the shrinkage allowance up to 20%. Highest-value sentence in the document.
- Attrition measured cumulatively across all nights rather than night by night.
- A resell or mitigation clause, so anything the hotel rebooks comes off what you owe. Make the obligation explicit rather than assumed.
- Damages calculated on lost profit instead of the full room rate. An unsold room does not cost a hotel $189, it costs the margin on $189.
- Comp rooms at 1 per 40 picked-up room nights, counted cumulatively.
- Two scheduled review points, around 90 and 60 days out, where you can reduce the block by a set percentage without penalty.
- Parking waived and breakfast included. Both come off what every guest pays every night, and neither costs you anything to ask for.
Run the same request past two or three properties in the same week, and say that you are doing it. Group sales managers price against each other, and rates are a local number: the same 25-room block prices differently in every market we cover, set by whatever else is booked into that city on your weekend.

The contract is short and the expensive parts of it are three sentences long. Anyone who negotiates hotel contracts for a living reads it in ten minutes and already knows which properties in the market waive attrition for weddings without being asked.
When to do what
Block early, sign late. Those are not in conflict: a courtesy hold can sit for months without committing you, while the properties worth blocking go first for peak Saturdays.
| Months out | What happens |
|---|---|
| 12 – 9 | Shortlist 2 to 3 hotels at different price points, request courtesy blocks |
| 9 – 6 | Compare contracts side by side, negotiate, sign only what has to be signed |
| 6 – 4 | Booking link and group code go to print |
| 4 – 2 | Track pickup, and reduce the block at any contracted review point |
| 30 – 21 days | Cut-off: rooming list due, unbooked rooms release, group rate ends |
The block has to exist before the stationery does. A booking link and a group code are the two things guests need earliest, and they belong on the save-the-date rather than the invitation, which puts the hotel decision several months ahead of most vendor decisions.
Everything moves earlier again when you are planning somewhere you have never stayed. Nearly every guest needs a room, for two or three nights rather than one, and the block stops being an accommodation courtesy and becomes the largest contract you sign after the venue.
Key takeaways
- Ask for a courtesy block by name before you discuss anything else. It cannot bill you, and many properties grant one on 10 to 25 rooms.
- If you sign a contracted block, the two numbers that matter are the pickup percentage and whether attrition is measured cumulatively or night by night.
- Count room nights, not rooms. A 25-room block over two nights is a 50-room-night commitment.
- Block for travelers only, divide by two for shared rooms, then cut another 20% before signing.
- Get a resell clause, damages on lost profit, comp rooms at 1 per 40 cumulative, and review points at 90 and 60 days.
- Publish one booking link and one code early. Rooms booked outside the block do not count toward pickup.
Frequently asked questions
Do you have to pay for a hotel block for a wedding?
Not with a courtesy block, which holds rooms at a set rate and releases the unbooked ones at cut-off with no charge to you. A contracted block is different: you commit to a level of occupancy and pay for the shortfall if guests do not reach it. Ask which one you are being offered, in writing, before anything is signed.
What is attrition on a wedding hotel block?
Attrition is the clause that charges you for rooms your guests did not book. It is expressed as a pickup percentage, commonly 80% to 90%, applied to the room nights you committed to. Fall below that floor and the hotel bills you for the gap, usually at the contracted room rate.
How many hotel rooms should I block for a wedding?
Count only the guests who cannot drive home, divide by two for couples sharing, then reduce that by about 20%. A wedding with 60 people traveling usually lands near 24 rooms rather than 60. It is far easier to add rooms to a block later than to be released from ones nobody used.
What is a room block cut-off date?
The cut-off is the date unbooked rooms return to general inventory and the group rate expires, commonly 21 to 30 days before arrival. In many contracts it is also the deadline for the rooming list that determines your pickup. Guests who book after it pay whatever the hotel is charging that weekend.
What happens if guests do not book the hotel block?
On a courtesy block, nothing. The rooms release at cut-off and you owe nothing. On a contracted block you pay the difference between your pickup floor and what guests actually reserved, reduced only if the contract contains a resell or mitigation clause obliging the hotel to rebook those rooms first.
Do you get a free hotel room for booking a wedding block?
Usually yes, but as a formula rather than a gift. The common ratio is one complimentary room night for every 40 room nights your block actually picks up, sometimes 1 per 50. Because it is earned on pickup, a block that underperforms can lose the free room and owe attrition at the same time.
How much does a wedding hotel block cost?
Setting one up costs nothing at most hotels, and the group rate is normally below the public rate for that weekend. A cost only appears if you signed a contracted block and missed your pickup floor, in which case you pay for the room nights nobody used. Nine unfilled room nights at a $189 rate is $1,701.
Do rooms booked outside the block count toward attrition?
Generally no. Pickup is measured against the rooming list attached to your block, so a guest who booked through a travel site, with points, or by calling the front desk usually does not count, even in the same hotel on the same night. Give guests one booking link and one code and repeat both everywhere.
When should I set up a hotel block for my wedding?
Start 12 to 9 months out and have the block settled by 6 months, because the booking link has to be printed on the save-the-date. Peak Saturdays go first at the properties worth blocking. Requesting a courtesy hold early costs nothing and keeps the decision open.
Should I block rooms at more than one hotel?
For most weddings, two or three properties at different price points beat one large block at a single price. It spreads your attrition exposure across smaller commitments, covers guests with different budgets, and gives you competing quotes to negotiate against. Keep only one of them contracted if any.
Can I get out of a wedding room block contract?
Only on the terms the contract already contains, which is why the review points matter. Negotiate scheduled reductions at around 90 and 60 days before arrival, letting you cut the block by a set percentage without penalty as your headcount firms up. Without those clauses, the number you signed is the number you owe against.
