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12 Sidney Place
About This Property
ARCHITECTURAL PROVENANCE
Fully reimagined in 2010 by award-winning architect Steven Harris, celebrated in Architectural Digest's AD100, this townhouse reflects his signature blend of historic character and contemporary clarity. Museum-quality floating walls, a custom steel-and-glass staircase illuminated by a skylight, and oversized windows create a loft-like sensibility within a historic brownstone facade, restored from its former navy finish to warm brick and stone in harmony with the landmark streetscape.
DESIGN COLLABORATION
Designed in collaboration with Marti Sagar Interiors, the interiors are restorative, livable, and uplifting. Known for her contemporary yet timeless style, Sagar has created residences across New York, New England, and beyond, with a focus on functional sanctuaries that balance beauty, comfort, and modern lifestyle.
LAYOUT CHARACTER
• Parlor Floor: A dramatic entertaining level with soaring ceilings, a gas fireplace, wide-plank hardwood floors, and an oversized gallery wall ideal for large-scale art. Floor-to-ceiling windows on both east and west exposures frame views of the landscaped garden and the Neo-Gothic St. Charles Borromeo Church, offering both privacy and architectural beauty.
• Garden Floor: A culinary centerpiece with an oversized chef's kitchen featuring a six-burner Wolf range, side-by-side Sub-Zero refrigeration, dual dishwashers and sinks, expansive stone prep surfaces, and abundant cabinetry. A formal dining room overlooks the garden.
• Third Floor: Currently configured as a library and office, but easily converted into a second primary suite.
• Fourth Floor: A tranquil primary suite with oversized windows, a gas-burning fireplace, and a rare screened sleeping porch enveloped in greenery. The spa-like bath includes a double vanity, soaking tub, and shower illuminated by three east-facing windows.
• Top Floor: Illuminated by a central skylight, this flexible space is ideal for a guest room, media room, fitness studio, or creative retreat. A custom steel-and-glass staircase with floating glass treads rises through the home, channeling light from the skylight and diffused by a fluted glass wall, creating a luminous vertical spine that connects every level.
• Basement: Utility and storage with discreet integration.
• Additional Features: Integrated sound system, gas fireplace, and zoned gas-fired HVAC with individually controlled rooms.
LOCATION & LIFESTYLE
12 Sidney Place stands within the Brooklyn Heights Historic District, New York City's first landmarked neighborhood, designated in 1965. The district is celebrated for its stately brick and brownstone houses, tree-lined streets, and 19th-century charm, offering a rare blend of architectural heritage and modern urban living. Sidney Place itself is one of the neighborhood's most coveted blocks, prized for its privacy, gardens, and historic character. Just minutes from the Brooklyn Heights Promenade, Brooklyn Bridge Park, and a major transportation hub, the townhouse offers both serenity and city access.
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What does this mean?
Based on our analysis, the cap rate of this property is 1.25%. A negative cap rate indicates that the property might not be feasible as an income-producing asset. The median cap rate for a near zip code 11238 is 4.23%.
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Actual monthly rental income may vary between $4,760 and $7,140 depending on unit-specific characteristics. You can change the amount using the slider to further explore.
How is cap rate calculated?
Cap Rate = Net Operating Income (NOI) / Property Asset Value.
When calculating the cap rate, we assume 100% occupancy. Leverage (mortgage) is not considered.
Cap Rate provided by RealtyHop and RentHop, learn more about cap rate here.
Price History
| Date / Event | Date | Event | Price |
|---|---|---|---|
| Jul 1, 2025 | Listed by Compass | $10,750,000 | |
| Listed by Compass | |||
| Apr 12, 2025 | Price Decreased |
$11,950,000
↓ $550K
(4.4%) | |
| Price Decreased | |||
| Sep 23, 2024 | Listed | $12,500,000 | |
| Listed | |||
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Tucked away on what is arguably one of the best blocks in Brooklyn Heights, this meticulously maintained home is ready for you. Within the celebrated Brooklyn neighborhood of Brooklyn Heights, four short blocks stand out among all others for their privacy, their gardens, tranquility and charm. 12 Sidney Place is a stunning 21-foot-wide Federal-style townhouse, a true masterpiece of architecture. Spanning six floors with 5 bedrooms, 4.5 bathrooms, at approximately 5,700 square feet, this home is artfully designed with timeless finishes, no detail spared. One example is the museum designed floating walls that give a clean line throughout the home. The open floor plan creates a spacious environment that will suit a myriad of lifestyles. Upon entering the parlor level you immediately notice soaring ceilings, wide plank hardwood floors and floor to ceiling windows with views onto the sunken west-facing gardens. The contemporary design creates a flexible pallet for anyone's taste. On the garden level you will find the chef's kitchen - a standout, offering a six burner Wolf range, side by side Subzero refrigerator and double dishwashers and sinks. Abundant storage and ample workspace that incorporates stainless steel and stone are perfect for any culinary enthusiast. The more formal dining area is separate with views onto the garden making every meal a magical experience.Access the upper floors by a custom designed staircase of steel and glass that allows natural light to stream through each floor. The primary suite provides a serene haven that includes a gas burning fireplace and a beautifully appointed primary bath with three east facing windows. Included in the primary suite is something rare, a "sleeping porch", completely enveloped in greenery, while screened from the elements for those zen moments. The additional bedrooms are generously proportioned with ensuite bathrooms that are adorned in stone and nickel boasting natural light. Both the design and views throughout seamlessly blend the interior of the home with the stunning multi-tiered gardens. The HVAC gas-fired system has two zone with many of the rooms individually temperature controlled for your comfort. The home is also wired for sound throughout. Located on a prime Brooklyn Heights block, this home is close to a major transportation hub, schools, parks, shopping and neighborhood restaurants. 12 Sidney place unique in its class and thoughtful design.
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| Aug 28, 2006 | Sold | ||
| Sold | |||
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Phone: 425-283-2930
Address: 335 Madison Avenue, New York, NY 10017