Here’s what’s happening in town today, May 1:

Norwalk River Valley Trail May Day 5K at Wilton Library at 10:30.

• Open house: 20 Thistle Lane, from 11 to 1.

Wilton Go Green Festival in Wilton Center, from 11 to 4.

• Open house: 4 Quarry Way, from noon to 2.

• Girls Who Code Club at Wilton Library, from 1 to 3.

• Open house: 57 Belden Hill Road, from 1 to 3.

• Open house: 98 Belden Hill Road, from 1 to 3.

• Open house: 296 Belden Hill Road, from 1 to 3.

• Open house: 24 Broad Axe Lane, from 1 to 3.

• Open hose: 194 Deer Run Road, from 1 to 3.

• Open house: 42 Fenwood Lane, from 1 to 3.

• Open house: 26 Friendlee Lane, from 1 to 3.

• Open house: 92 Keelers Ridge Road, from 1 to 3.

• Open house: 94 Middlebrook Farm Road, from 1 to 3.

• Open house: 15 Partrick Lane, from 1 to 3.

• Open house: 35 Pine Oak Lane, from 1 to 3.

• Open house: 117 Spectacle Lane, from 1 to 3.

• Open house: 57 Vista Road, from 1 to 3.

• Open house: 22 W Church Street, from 1 to 3.

• Open house: 57 W Meadow Road, from 1 to 3.

• Open house: 53 Wolfpit Road, from 1 to 3.

• Open house: 34 Woodland Place, from 1 to 3.

• Open house: 87 Charter Oak Drive, from 1 to 4.

• Open house: 99 Chicken Street, from 1 to 4.

• Open house: 11 English Drive, from 1 to 4.

• Open house: 52 Grey Rocks Road, from 1 to 4.

• Open house: 269 Millstone Road, from 1 to 4.

• Open house: 24 Riding Club Road, from 1 to 4.

Chicago the Musical at Wilton Playshop at 2.

• Make Mother's Day Card at Wilton Library, from 2 to 3:30.

• Open house: 127 Drum Hill Road, from 2 to 4.

• Open house: 38 Kent Hills Lane, from 2 to 4.

• Open house: 4 Middlebrook Lane, from 2 to 4.

• Open house: 22 Orchard Drive, from 2 to 4.

• Open house: 274 Ridgefield Road, from 2 to 4.

• Open house: 299 Ridgefield Road, from 2 to 4.

• Connecticut Composers, Inc. at Wilton Library, from 5 to 6.

For more things to do, check the Wilton Bulletin Board.