Chickens & Livestock: Ayer vs Cambridge
How do chickens & livestock rules compare between Ayer, MA and Cambridge, MA?
Ayer and Cambridge have similar restriction levels.
Ayer, MA
Middlesex County
Chicken and livestock rules vary by Middlesex town. Urban cities like Cambridge, Somerville, and Medford allow small flocks with permits; suburbs like Lexington and Concord allow larger flocks with setbacks.
View full Ayer rules →Cambridge, MA
Middlesex County
Cambridge allows up to 6 backyard hens with a permit from the Inspectional Services Department; roosters, slaughter, and other livestock are prohibited citywide.
View full Cambridge rules →Key Facts Comparison
| Fact | Ayer | Cambridge |
|---|---|---|
| Urban max | 6 hens typical | - |
| Roosters | Banned urban/suburban | Prohibited |
| Suburban setback | 25-50 feet | - |
| Right to Farm | Many rural towns adopted | - |
| Permit needed | Yes in most cities | - |
| Hen Limit | - | 6 hens maximum |
| Property Line Setback | - | 10 feet |
| Dwelling Setback | - | 25 feet |
| Slaughter | - | Prohibited |
Highlighted rows indicate differences between cities.
Ayer FAQ
Can I have backyard chickens in Cambridge?
Yes, up to 6 hens with a permit from Inspectional Services. Roosters are prohibited.
Are goats allowed in Middlesex County?
Only in rural towns on sufficiently large lots. Most suburbs and cities prohibit goats and other livestock.
Cambridge FAQ
Can I keep goats or pigs in Cambridge?
No. Cambridge zoning does not permit goats, pigs, cattle, or horses in residential or mixed-use districts.
Do I need a permit for fewer than 6 hens?
Yes. Any number of chickens requires a permit from Inspectional Services; the cap is 6, not a floor.
Compare other topics
See how Ayer and Cambridge compare on other ordinance categories.
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