353 Sixth Avenue
353 Sixth Avenue, between Fourth and Fifth streets · Park Slope
Park Slope, Brooklyn
BBL 3009867503 · BIN 3021254
- Year built
- 1920
- Type
- Condominium
- Amenities
- Private outdoor areas, central air conditioning and in-home laundry
- Landmark status
- Not an individual landmark; not in a historic district
- NYC Landmarks Preservation Commission and City Planning records, updated February 2026
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at 353 Sixth Avenue 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.
About the building
353 Sixth Avenue belongs to a group of late-nineteenth-century flats designed by Walter M. Coots for developer Louis Bonert. Its four-home condominium filing was accepted in March 2024, followed by the first apartment closings the next year. The conversion places contemporary interiors inside an older Park Slope streetscape with a masonry frontage and projecting architectural detail.
The layout mix includes a lower duplex with private garden space and upper homes with roof decks. Apartments have two- and three-bedroom configurations, with additional office space in some plans. The lower home has a separate outdoor terrace as well as the garden; roof space is allocated to upper residences. Heating and cooling are provided through central air systems, and the homes have their own laundry.
Monthly carrying charges in recent sales
- Common charges + taxes, per room
- $156 per room a monthMedian of 4 recorded sales since October 2023Source: recorded sales, refreshed October 2026
- Common charges + taxes, per square foot
- $1.08 per square foot a monthMedian of 3 recorded sales since October 2023Source: recorded sales, refreshed October 2026
Common charges plus real estate taxes, combined into one monthly figure the way New York condominium listings show them. Add a mortgage payment for the monthly outlay. A summary of recorded sales, not a current bill; charges change.
Building staffing and amenities
- Amenities noted
- Roof deckSource: The Roebling Team's building profile
Staffing and amenities as our building profile and recent listing records describe them. A feature not listed is not confirmed absent. Outdoor space, parking and some facilities can belong to particular apartments or to a separate owner; confirm access for the specific apartment.
Local Law 97
This building is below the 25,000 sq ft threshold at which LL97 limits apply to a building on its own. It is still covered if it shares a tax lot or condominium board with buildings totaling over 50,000 sq ft; confirm on DOB’s covered-buildings list.
See full Local Law 97 analysis →Recent sales
Recent closings at this building, from The Roebling Research Library. Prices are the transfer amounts recorded with the NYC Department of Finance; apartment-level detail is checked against the building’s own file in The Roebling Research Library before publishing.
| Date | Unit | Apartment | Price | PPSF | vs. Ask |
|---|---|---|---|---|---|
| Feb 18, 2025 | TWO | 3 BR · 2 BA · 1,087 sf | $1,875,000 | $1,725/sf | +0.0% |
| Feb 7, 2025 | PARLOR | 3 BR · 2.5 BA · 2,144 sf | $2,795,000 | $1,304/sf | -5.3% |
| Jan 27, 2025 | 4 | 2 BR · 2 BA · 1,061 sf | $1,985,587 | $1,871/sf | +1.8% |
| Feb 1, 2023 | — | 11 BR · 4 BA · 4,345 sf | $3,650,000 | $840/sf | -3.9% |
Market read. Most recent trades (2025) cleared a median $1,725/sf (recorded) across 3 sales. Median listing discount 1.2% from the last ask — a recurring negotiation gap worth pricing into any offer or listing strategy.
Sales sourced from NYC Department of Finance recorded transfers (BBL 3-00986-7503; each condominium apartment is its own tax lot). Apartment-level facts (line, condition, asking-price context) curated and cross-verified in The Roebling Research Library. Not all transactions cross-verify with ACRIS records — sponsor and LLC purchases sometimes record at stipulated values rather than market price; square footage from recorded condo declarations and offering plans.
What would your apartment rent for?
Enter your apartment and I'll send you what it would rent for, from comparable closed leases at 353 Sixth Avenue and nearby.
At the recent median sale of $1.99M (3 sales in the past 24 months, since November 12, 2024), a buyer putting 25% down would pay about $80,156 to close, or 4.0% of the price.
- Mansion tax: $19,856
- Mortgage recording tax: $28,667
- Title insurance: $8,935
- Attorneys, lender, building fees, reserves and filings: $22,698
Assumes a resale (the seller pays transfer taxes), a $4,500 attorney fee and a mortgage on the rest.
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What to know if you’re buying
Multiple homes have roof access. The allocation of roof decks should distinguish each owner's exclusive area from the condominium's shared roof structure. With four owners funding the building, a roof repair can involve access across more than one private deck and a concentrated assessment.
Comparable buildings
- 220 Park Place — Another very small condominium in an older Prospect Heights building.
- 153 Lincoln Place — A prewar condominium with a larger ownership group and similar low-rise surroundings.
- 64 Seventh Avenue — An avenue condominium with nineteenth-century origins, useful for comparing historic architecture within Park Slope.
More Park Slope buildings
- 350 Sixth Avenue — 1920 condominium
- 352 Sixth Avenue — 1920 condominium
- 353 20th Street — 2022 condominium by Kutnicki Bernstein Architects
- 357 4th Street — condominium
- 361 Sixth Avenue, 361 Sixth Avenue · Park Slope — 1905 condominium
- 363 Douglass Street — 1910 condominium
The neighborhood
For the full neighborhood — its buildings, character, and market — read The Roebling Team Guide to Park Slope.
How to read the facts on this page. Items attributed to an offering plan describe the building as it was offered at that filing — unit mix, square footage, the amenity program as planned. They are not a statement about how the building operates today. Tax and compliance figures are sourced separately to current City records and carry their own dates. House rules, staffing and fee policy can change by board resolution without any public filing: treat every policy line here as a starting point for diligence and confirm it with the managing agent. Where this page compares one building or neighborhood to another, that is our analysis of the recorded record — it names the measure, the period and the sample it rests on, and it is an observation about medians rather than a prediction about any particular apartment.
Considering a move at 353 Sixth Avenue?
Request a private building brief with the relevant comparable sales, current and off-market availability, and an apartment-specific view of value.
646.939.7375 · c.cohen@compass.com