For most of the past year, Cos Cob's most significant address was locked. The Bush-Holley House — a National Historic Landmark that has stood at the intersection of Strickland Road and the mill pond since roughly 1730 — was closed for preservation work. Residents drove past the Greenwich Historical Society campus on their way to the highway, knowing the place mattered, unable to do anything about it.
That changed in April 2026. The house reopened, and the neighborhood around it has changed enough in the interim that the whole thing deserves a fresh look. Cos Cob has always had three distinct layers — a cultural anchor, a food scene that punches above its size, and a river that most of Greenwich forgets about. This is the first summer all three are fully in play at the same time.
What the Bush-Holley House Actually Is
Most Greenwich residents know the name. Fewer know what they're looking at.
The circa-1730 colonial saltbox at 47 Strickland Road tells two separate stories. The first runs from 1790 to 1825, when the Bush family ran it as a merchant household and tide mill operation on the harbor. The second begins in 1882, when Josephine and Edward Holley took it over as a boarding house and started welcoming artists. By the 1890s, painters including John Henry Twachtman, J. Alden Weir, Theodore Robinson, and Childe Hassam were making the short trip up from New York City to work here. Cos Cob became Connecticut's first Impressionist art colony — and the first in the country to operate in this format.
The house reopened this spring with two concurrent reasons to visit. The permanent galleries are running "Fashioning America: 250 Years of Greenwich Style," with curator Kathy Craughwell-Varda leading tours Tuesday through Sunday at 11 a.m., 1 p.m., 2 p.m., and 3 p.m. Separately, the Greenwich Historical Society is programming every second Sunday in 2026 around America's 250th anniversary, with family-friendly tours of the campus timed to that national moment.
Admission is $15 for adults and $10 for seniors and students. The first Wednesday of each month is free. The galleries are open Wednesday through Sunday, noon to 4 p.m. The barn on the property, now an education center, runs summer art and history camps through July.
One practical note for first-timers: the campus also includes the circa-1805 Justus Luke Bush Storehouse — the building that later served as the Cos Cob post office and now houses the historical society's administrative offices — as well as a restored 19th-century railroad hotel that holds gallery space for the American Impressionist collection. Plan for at least two hours if you're seeing all of it.
The Mill Pond Has a New Anchor
A short walk from the historical society campus puts you at the Mill Pond Shopping Center on East Putnam Avenue, and La Bistro is the reason Cos Cob residents stopped driving to Greenwich Avenue for dinner.
Chefs Seleste Tan and Mogan Anthony opened La Bistro in spring 2025 after careers that included time at Jean-Georges, WD-50, Perry Street, Nobu, and the Four Seasons. They also run Lady Wong Patisserie, a bakery with a Manhattan following. The result is a menu that runs French one direction and Japanese or Thai another — foie gras terrine alongside spicy "Tiger Mom" dumplings, a La Bistro Burger with Comté and onion confit, a dessert case loaded with Lady Wong cakes like the Mango Sticky Rice Tart and the Violette (ube Earl Grey mousse, blackberry jam). The covered patio faces the mill pond. On weekend evenings, a reservation is necessary; on weeknights, walk-ins work earlier in the evening.
The Mill Pond center also holds Il Pastaficio, the pasta shop founded by Padova native Federico Perandin and featured on Diners, Drive-Ins and Dives. The menu rotates through regional Italian specialties made with imported organic ingredients. It's the right move for lunch before an afternoon at the historical society, or a lower-key dinner when La Bistro is running full.
Little Pub, the neighborhood bar and grill on East Putnam Avenue, rounds things out. It won a Best of Gold Coast 2025 recognition for its burgers and keeps a rotating craft beer list. The crowd is local and the hours are reliable — it's where Cos Cob residents end up when they're not trying to plan anything.
The River Is the Other Half
The Mianus River is where Cos Cob's residential character becomes obvious. Two different things are worth knowing about it.
The first is Mianus River Park, which straddles the Greenwich-Stamford border and covers 389 acres with more than 14 miles of hiking, biking, and walking trails. The terrain stays manageable — the high point runs about 220 feet — which makes it accessible for families and a reasonable mid-difficulty option for regular hikers. The river section through the park is designated a Trout Management Area and holds brown, brook, and rainbow trout. From the third Saturday in April through August, bait fishing is permitted and anglers can keep two trout daily. The Friends of Mianus River Park maintains the trail map, available on their site, and the park sees herons, hawks, owls, and the occasional red fox.
The second is the Greenwich Water Club at 49 River Road, which sits on the Mianus River bank with a full-service marina, three pools, a boathouse for rowing, kayaks, stand-up paddleboards, and a clubhouse with outdoor dining. It's a private membership club, so it doesn't function as a public amenity. But it is the reason the waterfront in Cos Cob has a community around it rather than just scenery.
Why This Summer Is Different
Last summer, the Bush-Holley House was closed. The Mill Pond center had a different restaurant in the La Bistro space — a spot called Coast that didn't generate much local conversation. The river was the same river.
This summer, the sequence works. You can spend an hour and a half in a National Historic Landmark learning why a group of American Impressionists kept coming back to this specific harbor. You can walk to the Mill Pond, sit on the covered patio at La Bistro, and order from a menu built by chefs who trained at three-Michelin-star kitchens. You can drive ten minutes to Mianus River Park and be in 389 acres of forested trail before the afternoon is done.
None of these things are new individually. The historical society has existed since 1931. The trails have always been there. What's new is that the cultural anchor of the neighborhood is accessible again, the food scene has consolidated around a restaurant with genuine credentials, and the argument for Cos Cob as a complete place — not a quiet stretch between Greenwich Avenue and Stamford — finally has all its evidence in the same season.
If you live in Cos Cob and you're thinking about what your home is worth in a market where buyers are actively asking what a neighborhood offers — or if you're considering a move into the area — The Rosato Team knows this street-level detail because it's the market they work in every day. Reach out to get a current valuation or a conversation about what's available.
