Overview
San Francisco's Chinatown is the oldest and largest in North America, established in 1848, and it is still a functioning, lived-in neighborhood — not a tourist recreation. That's what makes it worth the trip with kids. The streets smell like roasting duck and fresh produce, shops sell everything from firecrackers to live turtles, and the Golden Gate Fortune Cookie Factory on Ross Alley lets kids watch fortune cookies hand-folded fresh off a hot press, still warm. The Lunar New Year parade (January or February depending on the calendar) is legitimately one of the best free public events in the Bay Area.

How to Do It
The most direct transit approach from anywhere on BART is Montgomery Street Station, then a 5-minute walk north on Kearny to Grant Avenue. Alternatively, take the T Third line from the BART platform to the Chinatown-Rose Park Station at Washington and Stockton. By Muni bus, the 30-Stockton runs straight through the neighborhood's center — exit between Broadway and Bush. Driving is workable but adds friction; the Chinatown Parking Garage at 728 Pacific Avenue and Portsmouth Square Garage at 733 Kearny Street are the closest structures, typically $17-25 for a few hours. Leave the stroller home or in the car — Grant Avenue has wide sidewalks but the side streets and shops are tight, and hills make stroller maneuvering awkward. A carrier or hands-free setup works better.
Enter through the Dragon Gate at the intersection of Bush Street and Grant Avenue — it's the traditional entry and makes a good framing moment for kids. Walk north up Grant Avenue for shops and lanterns, then cut over to Stockton Street, which is less touristy and more neighborhood-real (produce markets, fish stalls, bakeries with window pork buns). For the fortune cookie factory, turn onto Ross Alley between Jackson and Washington Streets; it's a narrow alley and easy to miss — look for the sign. From there, Portsmouth Square is one block east on Kearny for a playground break. Willie "Woo Woo" Wong Playground at 830 Sacramento is the better playground option — bigger, more equipment, inspired by Chinese mythology — worth a slight detour if kids need to burn energy.

Tips & Tricks
Bring cash. A meaningful portion of Chinatown shops and restaurants are cash only, including Good Mong Kok Bakery and some of the best food stalls on Stockton. There's an ATM in the area but having $40-60 in small bills before you arrive keeps things smooth and fast.
The fortune cookie factory at 56 Ross Alley is free to walk through and watch, and samples are free — the staff typically hands out warm cookies right off the press. The charge is only if you buy a bag to take home. Going in the early-to-mid morning is better than afternoon; it's less crowded and the cookies are fresh from the morning run.
Good Mong Kok Bakery on Stockton Street is the move for a cheap, fast, kid-friendly meal. Steamed pork buns (bao) are $1-2 each, hot dog buns are a perennial hit with younger kids, and the line moves fast. City View Restaurant near Portsmouth Square is the choice for a proper sit-down dim sum — carts come around so kids can point at what they want, which is a better format than ordering off a menu when you have toddlers at the table.
Waverly Place is Chinatown's "Street of Painted Balconies" and worth a one-block detour — the upper-story façades are some of the most photographed in the city and give a sense of the neighborhood's history without requiring any explanation. It runs parallel to Grant between Sacramento and Broadway.
Lunar New Year is the single best time to visit with kids — dragon dances, live music, and the parade route through Chinatown draws crowds but delivers something genuinely memorable. Book a spot along the parade route (Grant Avenue near California or Sacramento) early and plan around the late-January to mid-February window depending on the lunar calendar. The neighborhood is packed but the energy is worth it.
Planning
Chinatown itself is free to walk. Budget for food ($10-20 per adult for a solid dim sum lunch, less if you're grazing from bakeries), a bag of fortune cookies ($5-8), and whatever shops draw the kids in. There are no set hours — the neighborhood is active 7 days a week and most shops open around 9am and close by 7pm. The fortune cookie factory is open daily 9am to 6:30pm (7pm on weekends). City View Restaurant for dim sum serves lunch 11am-2:30pm on weekdays and 10am-2:30pm on weekends. Bring cash, a carrier or backpack instead of a stroller, and layers — SF can be 15 degrees cooler than the South Bay on any given day. The neighborhood works fine year-round; summer fog doesn't stop street activity. Best for kids ages 3 and up who can walk, take in the sensory environment, and eat adventurously; toddlers who can ride on a parent's back or in a carrier do fine too.