| Name | Deductibility Code |
| Andres Institute of Art | -- |
| Brookline Baseball Softball League | -- |
| Brookline Historical Society | -- |
| Brookline Hollis Youth Soccer League | -- |
| Brookline Parent Teacher Organization | -- |
| Brookline Volunteer Fire Department Inc. | -- |
| Friends of the Brookline Public Library | -- |
| Jordans Walk for Wishes and Dash for Dreams | -- |
| Little Laurel Preschool Inc. | -- |