Developmental Milestones Every NYC Parent Should Know Before Age 3

Every parent has done it: scrolled through a milestone list at midnight, counting up what your child does and does not do yet, heart racing a little. If that is you, first know this: milestones are meant to guide and reassure you, not to grade your child. Let’s walk through them together, calmly.

First, how to read this list

Milestones are guideposts, not a test. Children reach them across a range of ages, and being a bit ahead or behind on any single skill is often perfectly normal. What matters more is the overall pattern and steady progress over time.

A quick note for our many bilingual NYC families: for talking milestones, count words across all of your child’s languages, whether that is Spanish, Yiddish, Russian, Chinese, Bengali, English, or any combination. Two languages do not cause delays.

Around 12 months

• Communication: Babbles with different sounds, may say one or two words, responds to their name, uses gestures like waving or pointing.
• Motor: Pulls to stand, cruises along furniture, may take first steps. Picks up small objects with finger and thumb.
• Social: Looks for you, shows shyness with strangers, plays simple games like peek-a-boo.
• Play: Explores toys by banging, shaking, and dropping them.
• Self-help: Starts finger-feeding, may hold a cup with help.

Around 18 months

• Communication: Uses several words, points to show you things, shakes head “no,” follows simple one-step directions.
• Motor: Walks well, may start to run, climbs onto furniture, stacks a couple of blocks.
• Social: Points to share interest, hands you things to play, may have tantrums (very normal).
• Play: Begins pretend play, like feeding a doll or pretending to talk on a phone.
• Self-help: Tries to use a spoon, helps with dressing by pushing arms through sleeves.

Around 24 months

• Communication: Uses many single words and begins combining two words (“more milk”), follows two-step directions, names familiar people and objects.
• Motor: Runs, kicks a ball, walks up stairs with help, scribbles.
• Social: Plays alongside other children, copies what adults and older kids do.
• Play: Richer pretend play, sorts shapes and colors, enjoys simple problem-solving.
• Self-help: Uses a spoon fairly well, drinks from an open cup, takes off simple clothes.

Around 36 months

• Communication: Speaks in short sentences, is mostly understandable to family, answers simple questions, tells you what they want.
• Motor: Runs easily, jumps, pedals a tricycle, climbs, draws a circle-ish shape.
• Social: Plays with other children, shows a range of emotions, shows affection.
• Play: Elaborate pretend play with stories and roles.
• Self-help: Feeds self well, helps dress and undress, may begin toilet learning.

When a pattern is worth an evaluation

One missed milestone is rarely a worry. It is more meaningful to look at the whole picture. Consider reaching out if you notice:

• Several delays together across communication, motor, social, and play
• Not communicating with words or gestures by 18 months
• Not combining words by age 2 (counting all languages)
• Not walking by around 18 months
• Losing skills your child once had
• Simply a strong gut feeling that something is off

Developmental signs are not a diagnosis. Only a professional evaluation can look closely and tell you what is actually going on, and often the news is reassuring.

How to check in New York

Early Intervention is a New York State program for children from birth to age 3, and it is free to families. No doctor’s referral, diagnosis, or Medicaid is needed, and private insurance does not disqualify you. Anyone can refer, to Star EIP or by calling 311. The NYC Early Intervention Program assigns an approved agency like ours, and we schedule a free developmental evaluation, usually right at home.

Save this list, share it with a partner or caregiver, and trust yourself. If anything here gave you pause, the gentlest next step is a free check.

See if your child qualifies