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Group size
Why do you limit group sizes?
Owners sometimes read a small group as a limit on fun. It is closer to the opposite: the size that lets the people watching keep every dog's game fair. Here is the arithmetic behind 7 to 10, what it does during a stay, and what the state's advisory committee has been debating.
The arithmetic
Seven to ten dogs keeps the number of relationships small enough for one person to read
Supervising a playgroup is not counting heads. Trouble starts between two dogs, so the real job is tracking pairs: who is chasing whom, who has had enough, which game is getting rough. Pairs multiply quickly. Seven dogs make 21 possible pairs and ten make 45, but fifteen dogs make 105 and twenty make 190. Doubling a group from ten to twenty more than quadruples the relationships a handler has to keep an eye on, while the number of eyes stays the same.
That is the practical case for our number. Dogtown playgroups run at 7 to 10 dogs, placed by size, play style and temperament at the free evaluation, a temperament test followed by a few supervised hours in a group. A small group lets a handler spot a game tilting, step in early and move a tired dog out before it turns snappy. Rest breaks and water stations sit between bouts, and a group that stops suiting a dog is changed rather than tolerated.
| Dogs in the group | Possible pairs to watch | Compared with 10 dogs |
|---|---|---|
| 7 | 21 | Under half |
| 10 | 45 | The same |
| 15 | 105 | More than double |
| 20 | 190 | More than four times |
| 45 | 990 | 22 times as many |
During a stay
For a board and train dog, a small group is a training room as well as a playground
Daycare integration is part of both board and train programs, Foundation for one week and Advanced for two, once Gabriella Pope judges a dog ready. In a group of 7 to 10, a handler can call one dog away from a game, reward it and send it straight back, which is the hardest recall a dog ever practices. In a crowd of thirty that rehearsal disrupts everyone and is easy to lose sight of, so in practice it rarely happens.
Small groups also protect the work done earlier in the day. A dog that has just finished a short block on place or loose-leash walking needs play that lets off steam, not play that floods it with arousal. With fewer dogs, the handler can end a game before it boils over and offer a settle on a cot instead. Adolescents on the two-week Advanced stay, who are building neutrality and impulse control, gain the most from that kind of control over the mix.
- Recall out of play, practiced on demand
- Games ended before arousal boils over
- A cot settle between bouts of play
- A different group if this one stops suiting the dog
The law's direction
Massachusetts has no group-size rule yet, and its advisory committee has discussed caps far above ours
Ollie's Law, in force since December 19, 2024, lists group sizes and supervision among the topics MDAR's regulations for commercial boarding or training kennels may cover. Those rules were due in 2026 and, as of the March 18, 2026 advisory committee minutes, had not been released. Until they are, any kennel's group size is its own policy. The committee's approved minutes show what the debate has looked like, and the numbers on the table are far larger than 7 to 10.
In August 2025 one member proposed that playgroups never be left unsupervised and another suggested capping them at 60 dogs. In December 2025 one member recalled suggesting a cap of 45, another remembered 60, the summary landed back on 60, and 75 square feet of play space per dog was cited as an industry figure. None of it is law. It does suggest that a statewide floor, when one arrives, will sit well above a small, matched group like ours.
- Group size is on the list of topics MDAR may regulate
- No final regulation as of the March 18, 2026 minutes
- Caps of 45 and 60 dogs were discussed, not adopted
- Square footage per dog was raised alongside group size
Your dog
What a small group means for your dog, and what to ask before the stay
For a social dog, the 7 to 10 limit means real company with room to choose: a playmate of the right size, a corner to rest in, a person close enough to notice. For a shy or dog-selective dog it means group time can be decided case by case and skipped when that is kinder. No board and train dog has to join a group to finish its program; when one does not fit, those hours go to training blocks, rest and enrichment.
Bring the group question to the free evaluation, held on weekday mornings between 6:30 and 9:30 at 210 Eastern Ave in Gloucester, where you can watch a playgroup and count for yourself. Ask how your dog's group would be chosen, how many people stand with it and what changes on busy summer weeks. Our board and train page sets out both programs, and our page on staff ratios and supervision covers the people side of the same question.
- 01
Watch a playgroup at the evaluation and count the dogs
- 02
Ask how your dog's group would be matched: size, play style, temperament
- 03
Ask how many handlers stand with that group
- 04
Ask when a game is interrupted and what a break looks like
- 05
Ask what your dog does instead if a group does not suit it
At Dogtown
Groups, training and stays
Board and train dogs share Dogtown's matched daycare playgroups when they are ready, and the same groups stay open to them after the stay.
Asked and answered
Questions people ask about this
Short, complete answers you can act on today. More in the full FAQ.
Why not run bigger groups with more staff?
Are board and train dogs in the same groups as daycare dogs?
Does Massachusetts limit how many dogs can play together?
Will a small group make my dog less social?
More questions? Read the full FAQ
Sources
- M.G.L. c. 140, s. 174G: kennel regulations, injury reporting and inspections
- Ollie's Law Advisory Committee minutes, August 19, 2025
- Ollie's Law Advisory Committee minutes, December 17, 2025
Rules and dates change. We re-check every beach, licensing and ordinance page each spring and fall; the source above is the current word.
Keep reading
Next step
See a group of 7 to 10 for yourself.
Send the training form and we reply within one hour on business days. The free evaluation lets you watch a playgroup before your dog stays.
- 01Free evaluationWeekdays 6:30 – 9:30 AM
- 02Book a dayOnline, in the app or by phone
- 03Play, rest, repeatReport card at pick-up