433 3rd Street
433 3rd Street, at Sixth Avenue, Park Slope
BBL 3009760001 · BIN 3020982
- Year built
- 1920
- Type
- Cooperative
- Landmark
- No
- Amenities
- Basement storage, bicycle storage and a common front garden
Every recorded sale at this building, 2004–2026
Bedroom-by-bedroom medians, the full transfer record, and how units trade against ask.
- 3BR median
- $1.9M
- Recent range
- $1.6M – $2.2M
- Listing discount
- -13.0%
- Recorded transfers
- 18
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A Private Pricing Opinion — what your apartment at 433 3rd 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.
About the building
433 3rd Street is an eight-residence cooperative in a four-story limestone building. The roughly 28-foot-wide structure extends unusually deep into its lot, allowing substantial apartments within a low-rise footprint. The cooperative is self-managed, and basement storage and bicycle facilities serve the residences.
Three-bedroom configurations recur in the apartment inventory, with broad south-facing living spaces and bedrooms oriented toward the rear gardens. High ceilings, original wood floors and moldings survive alongside renovated kitchens and bathrooms. Selected upper apartments include private roof decks and separate work areas. In-unit laundry is established in renovated homes, and some apartments have split-system air conditioning. A planted front area provides a shared outdoor setting at the entrance; private upper decks belong to individual residential configurations.
Recent sales
Recent transfers at this building, curated by The Roebling Team research desk. 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 | vs. Ask |
|---|---|---|---|---|
| Jun 15, 2026 | 3 | 4 BR · 1.5 BA | $2,167,000 | +23.8% |
| Nov 13, 2025 | 2 | 3 BR · 1 BA | $1,995,000 | +14.0% |
| Aug 14, 2024 | 6 | 3 BR · 1 BA | $1,821,000 | +12.1% |
| Jan 22, 2024 | 2 | 3 BR · 1 BA | $1,625,000 | -4.1% |
| Dec 9, 2022 | 4 | 3 BR · 1 BA | $1,800,000 | +0.0% |
| Oct 23, 2020 | 6 | 3 BR · 1 BA | $1,525,000 | +2.0% |
| Jun 19, 2017 | 5 | 3 BR · 2 BA | $1,845,000 | +8.8% |
| Jun 5, 2017 | 4 | 3 BR · 1 BA | $1,655,000 | +10.7% |
Market read. Median listing discount -9.8% over ask.
The retrade record
Lines that have traded more than once in the public record — the building’s appreciation arc, apartment by apartment.
Full closing history with price-per-square-foot over time, the complete retrade record, and every line that has traded.
Sales sourced from NYC Department of Finance recorded transfers (BBL 3-00976-0001) and verified listing data. Apartment-level facts (line, condition, asking-price context) curated and cross-verified by The Roebling Team research desk. Not all transactions cross-verify with ACRIS records — sponsor and LLC purchases sometimes record at stipulated values rather than market price.
Buying here? Co-op closing costs typically run 2 to 3% of the price. See NYC co-op and condo closing costs, line by line.
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What to know if you’re buying
Self-management places the administration of this eight-home building with its shareholders. Organizing repairs, arranging access and following up with contractors are practical ownership responsibilities here. The upper homes also require the common stair climb, and those with private roof decks have an additional exterior-maintenance relationship with the cooperative's roof.
Comparable buildings
- 904 Union Street — A similarly low-rise prewar walk-up cooperative with a somewhat larger residential inventory.
- 240 8th Street — A small cooperative in a former ink factory, offering loft proportions in a different original building type.
- 459 12th Street — A small garage-to-cooperative conversion, with an unusual inherited envelope and limited ownership base.
More Park Slope buildings
- 426 2nd Street, 426 2nd Street · Park Slope — 1920 condominium
- 427 15th Street — 1909 co-op
- 432 Tenth Street — condominium
- 44 Garfield Place — condominium
- 441 3rd Street — 1920 co-op
- 442 Third Street — condominium
The neighborhood
For the full neighborhood — its buildings, character, and market — read The Roebling Team Guide to Park Slope.
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.
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.
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