670 President Street
670 President Street, just off Fifth Avenue · Park Slope
Park Slope, Brooklyn
BBL 3009590013 · BIN 3020283
- Year built
- 1920
- Type
- Cooperative
- Amenities
- Shared rear garden, basement laundry, individual storage, bicycle storage and video intercom
- Landmark status
- Not an individual landmark; not in a historic district
- NYC Landmarks Preservation Commission and City Planning records, updated February 2026
- Pets
- Pets permitted with conditions; species not stated
Every recorded sale at this building, 2004–2026
Bedroom-by-bedroom medians, the full transfer record, and how units trade against ask.
- 1BR median, 2023–2026
- $699K
- 7 qualifying sales
- Recent range
- $649K – $836K
- Listing discount
- 0.0%
- Recorded transfers
- 29
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at 670 President 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.
670 President Street is a self-managed co-op made up of 20 one-bedroom apartments. That consistent apartment mix is its defining feature: the building concentrates on smaller prewar homes within a five-story walk-up. The shared rear garden provides outdoor space for the entire co-op, while individual storage and bicycle storage extend the utility of the apartments.
Built in 1920 and converted to cooperative ownership in 1988, the property stands just off Fifth Avenue. Union Street's R station is nearby on Fourth Avenue. The co-op's shared facilities are concentrated in the basement and rear yard.
Architecture and unit composition
The one-bedroom apartments retain varied prewar features, including high ceilings, hardwood and parquet floors, archways and substantial window openings. Some layouts have a long entrance gallery leading toward the living room and kitchen. Others use a more direct progression through the apartment. Interior areas in recorded transactions include approximately 600–650 square feet.
The kitchens have evolved through individual renovations. Eat-in arrangements remain in some homes, while other apartments connect the kitchen more openly to living and dining space. Windows, closet placement and the length of the entrance hall give apartments of similar size different proportions.
Front and rear exposures create distinct outlooks. Rear-facing rooms look toward gardens and trees; upper floors can have more open views over the surrounding roofs. The building is a walk-up, with apartments distributed across all five floors.
Building operations
The co-op manages itself. Owners share responsibility for the building through its board, and the common facilities include a furnished rear garden with space for outdoor dining and barbecues. A video intercom serves the entry.
Basement laundry is shared. Individual storage is allocated to owners, with separate space for bicycles. These are useful facilities in a building composed entirely of one-bedroom apartments, where storing bulky items inside the home can consume a meaningful portion of the usable space.
The property is assessed as a single Class 2 cooperative building and receives no building-wide tax abatement. The current zoning spans R6B and R6A; the existing floor area is larger than the 2.0 residential FAR benchmark carried for the lot.
Pets and in-unit washer/dryer
- Pets
- Pets permitted with conditions; species not statedAllowed with board approval — confirm with the managing agent.Source: The Roebling Team's building profile
- In-unit washer/dryer
- Not verified
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Monthly carrying charges in recent sales
- Maintenance, per room
- $240 per room a monthMedian of 6 recorded sales since October 2023Source: recorded sales, refreshed October 2026
Maintenance as recorded with each sale. A co-op's maintenance already covers the building's real estate taxes and the building's own mortgage, if it has one; add your own loan payment for the monthly outlay. A summary of recorded sales, not a current bill; charges change.
Building staffing and amenities
- Virtual or video entry
- YesSource: The Roebling Team's building profile
- Elevator
- NoSource: NYC Department of City Planning records (PLUTO)
- Amenities noted
- Garden, bike storageSource: 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 transfers 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 | vs. Ask |
|---|---|---|---|---|
| Aug 7, 2026 | 1D | 1 BR · 1 BA | $835,500 | +5.1% |
| May 22, 2026 | 1C | 1 BR · 1 BA | $795,000 | +0.0% |
| May 9, 2025 | 1B | 1 BR · 1 BA | $730,000 | +5.0% |
| Jul 8, 2024 | 3B | 1 BR · 1 BA | $675,000 | +0.0% |
| Jan 5, 2024 | 5B | 1 BR · 1 BA | $660,000 | +0.0% |
| Sep 6, 2023 | 4B | 1 BR · 1 BA | $699,000 | +0.0% |
| Mar 29, 2022 | 1C | 1 BR · 1 BA | $750,000 | +11.1% |
| May 12, 2020 | 1B | 1 BR | $630,000 | -1.4% |
Market read. $/sf is measured on the latest sales with reliable square footage (2015): a median $884/sf (recorded) across 2 sales. The building has traded as recently as 2026. Median listing discount 0.0% from the last ask.
The retrade record
Lines that have traded more than once in the public record — the building’s appreciation arc, apartment by apartment.
Other recent transfers
| Date | Unit | Price |
|---|---|---|
| Nov 30, 2023 | 4C | $649,000 |
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 3-00959-0013). 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.
What would your apartment rent for?
Enter your apartment and I'll send you what it would rent for, from comparable closed leases at 670 President Street and nearby.
At the recent median sale of $795K (3 transfers in the past 24 months, since November 12, 2024), a buyer putting 25% down would pay about $11,531 to close, or 1.5% of the price.
- Mansion tax: $0
- No mortgage recording tax or title insurance on a co-op purchase
- Attorneys, lender, building fees and filings: $11,531
Assumes a resale (the seller pays transfer taxes), a $4,500 attorney fee and a mortgage on the rest.
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Comparable buildings
- The Presidential: A co-op on the same street, with a former hospital's courtyard and varied converted layouts.
- 904 Union Street: A smaller prewar walk-up cooperative nearby.
- 10 Montgomery Place: A larger walk-up co-op in two ornamented Beaux-Arts apartment houses.
- 86 Prospect Park West: A prewar walk-up cooperative with park frontage and neoclassical detailing.
- 75 Prospect Park West: A modestly scaled prewar co-op with elevator access and park-side positioning.
More Park Slope buildings
- 659 Baltic Street — 2008 condominium
- 667 Degraw Street — 1899 condominium
- 668 Baltic Street — condominium
- 675 Sackett Street (Park Slope Terrace) — 2003 condominium
- 680 Carroll Street — 1930 co-op
- 695 Degraw Street — 1899 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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646.939.7375 · c.cohen@compass.com