70 Clark Street
70 Clark Street, Brooklyn, NY 11201
Brooklyn Heights, Brooklyn
BBL 3002360112 · BIN 3001864
- Year built
- 1947
- Type
- Cooperative
- Units
- 60
- Floors
- 6
- Landmark
- Designated
- Pets
- Not publicly documented; confirm current house rules at application
- Subletting
- board-controlled; not documented
Compiled by The Roebling Research Desk from the building’s offering plan, amendments, and related building documents (primary source dated 2026-08). Reported and subject to confirmation. Board policies can change by amendment — confirm at the offer stage.
70 Clark Street is the Heights co-op that sits closest to the subway — and the one whose age the city's own records get wrong. Department of Finance data lists the building as 1960 construction, but the Department of Buildings record tells the true story: a new-building application filed in early 1947, with the first apartment advertisements running by June 1948. The six-story brick cooperative belongs to the first postwar generation of Heights apartment houses, built in the Art Moderne-inflected idiom of the late 1940s — corner windows turning the Henry Street angle, alternating bands of masonry across the façade, and the boxy geometry of its moment. It replaced the Sand Street Methodist Church, one of the neighborhood's great Victorian eccentrics, whose turreted silhouette survives only in photographs.
The location defined the building from the start and still does. Directly across Clark Street stands the former Hotel St. George complex — in its heyday New York's largest hotel, now converted to residential and student use — and beneath it the Clark Street station puts the 2/3 express one elevator ride from the building's front door. Wall Street commutes from 70 Clark are among the shortest in Brooklyn. The building's own ground floor has always worked commercially — the original Parker's Drug Store, with its lunch counter and soda fountain, occupied the retail space in the building's first decades, and restaurant space continues the tradition today. A governance detail follows from that history and matters in diligence: the commercial spaces are held as separately owned units rather than assets of the cooperative, so the co-op's financials do not lean on retail income the way many mixed-use buildings' do.
At 60 apartments across six stories, 70 Clark occupies the practical middle of the Heights cooperative market: large enough for elevator service, a superintendent, and an established managing agent — Adventure Properties, Inc., which keeps its management office in the building — while remaining a modest, self-contained house without the staffing load of the district's full-service tier. Maintenance economics follow accordingly. For buyers who want the historic district, the express subway, and a lean monthly number over prewar ornament or doorman service, the building makes one of the neighborhood's most rational cases.
Architecture and unit composition
The 60 apartments run from studios and one-bedrooms through two-bedroom lines, in the efficient postwar layouts of the late 1940s: foyer entries, compact kitchens built for modernization, and the corner-window living rooms that are the building's signature feature on the Clark and Henry Street angles. Ceiling heights and room proportions are postwar-standard rather than prewar-grand; the offsetting virtues are light — the corner glazing and the open exposure across the low St. George blocks — and floor plans that renovate well. Condition varies widely after seven decades of unit-by-unit renovation cycles, and renovated units trade at a meaningful premium to estate-condition stock.
Building operations
The cooperative operates with elevator service, superintendent coverage, and management by Adventure Properties, Inc. from its office within the building. The documented alteration framework — board approval, a refundable security deposit, licensed-and-insured contractor requirements, weekday-only work hours, and full permit compliance — is typical of a well-run small Heights co-op and is held, with the building's financial documentation, in The Roebling Research Library for client review during diligence.
What to know if you’re buying
The commute is the headline. The Clark Street 2/3 express station sits directly across the street; few Brooklyn co-ops at any price put Wall Street closer.
The records disagree about the age — the building doesn't. City data says 1960; the DOB filing history says 1947–48. Insurance, financing, and engineering reviews should work from the postwar date.
Understand the commercial-unit structure. Separately owned ground-floor units mean the co-op's budget stands on maintenance alone; review the financials with that structure in mind, along with any shared-cost arrangements with the commercial owners.
Confirm the policy set early. Pet, sublet, pied-à-terre, financing, and flip-tax policies are not publicly documented; get the current rules from the managing agent before offer.
Co-op timelines apply. Board package, interview, and approval typically pace closings at 60–90 days from contract.
What to know if you’re selling
Sell the location arithmetic. Historic-district address, express subway at the door, and a lean monthly number — the value case is concrete and should lead the marketing.
Position the corner lines on light. The corner windows are the building's architectural signature; renovated corner units justify premium pricing against the building's interior lines.
Anticipate the age question. Buyers' attorneys will see 1960 in city records; presenting the documented 1947–48 construction history upfront avoids confusion in diligence.
Prepare the board package early. A small co-op with an in-building managing agent moves efficiently when the application is complete; the 60–90 day cooperative timeline rewards preparation.
Comparable buildings
If you're considering 70 Clark Street, also evaluate:
- 75 Henry Street — large postwar Cadman Plaza cooperative; the north Heights' other value tier
- 44 Pineapple Street — large co-op alternative two blocks north
- Hamilton House (45 Pineapple Street) — elevator co-op peer in the north Heights
- 35 Clark Street — smaller co-op on the same street toward the Promenade
- 55 Hicks Street — small north Heights cooperative alternative
- 60 Pineapple Street — co-op peer on the neighboring block
- 87 Columbia Heights — cooperative near the Promenade; the view-side alternative
The full playbook — what goes in the package, how boards read your financials, the interview, and the timeline — plus sample cover, reference, and personal letters you can adapt.
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A Private Pricing Opinion — what your apartment at 70 Clark Street would likely sell for today, what it costs to sell, and what you’d walk away with — reviewed personally against condition, exposures, renovation quality, and the competition actually on the market.