Every recorded sale at this building, 2025–2026
Price-per-square-foot over time, the line- and floor-premium curves, and every recorded sale.
- Median $/sf, 2026 to date
- $1,812
- 5 sales
- Listing discount
- -1.8%
- Recorded sales
- 6
- On record
- 2025–2026
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at 379 12th 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.
379 12th Street is a six-residence elevator condominium on a Park Slope side street, built on the lot of a townhouse that sold for $2.85 million in October 2020, per public records. It is low-rise by design: three stories plus a penthouse, 35 feet tall, about 9,500 square feet of residential floor area on a 4,367-square-foot lot.
The sponsor sold out within three months of the first closing. City records show all six residences closing between December 30, 2025 and March 27, 2026, for a total of about $14.89 million. That is within $16,000 of the plan's current offering total, so the sponsor sold at or near its schedule.
For a buyer today, 379 12th Street is a resale building with a complete set of recorded new-construction comparables on one of the brownstone blocks of the Slope.
Architecture and residences
Design Studio Associates filed the new building in April 2021 as a three-story building with a penthouse and cellar, six dwelling units and about 11,073 square feet of construction floor area. The first permit issued in August 2023, and the job was signed off with a certificate of occupancy in January 2026. Listing records describe the building as an elevator building.
Per listing records, the layout pairs two homes per level:
- 1A and 1B: two-bedroom, two-and-a-half-bath homes of about 2,015 to 2,046 square feet; their size relative to the upper floors suggests they include the cellar level, which Schedule A will confirm
- 2A and 2B: two-bedroom, two-bath homes; 2B is about 1,170 square feet (the record for 2A gives an implausible 492 square feet)
- 3A and 3B: three-bedroom, three-bath homes of about 1,559 square feet, presumably taking the penthouse level
Offering and pricing
Per the offering plan filed with the New York State Attorney General (plan CD240225), the plan was submitted July 30, 2024, accepted June 30, 2025, and declared effective August 1, 2025, with 379 12th Street LLC as sponsor. The total offering price rose from $13,446,000 to $14,870,000, an increase of $1,424,000 or 10.6%; the amendment detail was not available for this review. The record still shows two units sold.
| Residence | Layout | Size | Last ask | Recorded price | $/sf | Closed |
|---|---|---|---|---|---|---|
| 1A | 2 bed, 2.5 bath | 2,046 sf | $2,595,000 | $2,642,358 | $1,291 | December 30, 2025 |
| 2B | 2 bed, 2 bath | 1,170 sf | $1,899,000 | $1,933,656 | $1,653 | January 7, 2026 |
| 2A | 2 bed, 2 bath | not confirmed | $1,950,000 | $1,985,587 | — | January 12, 2026 |
| 3B | 3 bed, 3 bath | 1,559 sf | $2,775,000 | $2,825,643 | $1,812 | January 16, 2026 |
| 1B | 2 bed, 2.5 bath | 2,015 sf | $2,575,000 | $2,647,450 | $1,314 | March 24, 2026 |
| 3A | 3 bed, 3 bath | 1,559 sf | $2,800,000 | $2,851,100 | $1,829 | March 27, 2026 |
Every recorded price sits about 2% above the last ask. That pattern is consistent with the buyer's payment of the sponsor's transfer taxes being added to the recorded consideration; confirm against the deeds before treating the asks as net prices. The ground-floor homes price near $1,300 per square foot, which fits area that includes a cellar level; the upper homes trade near $1,650 to $1,830. Listing records give combined monthly common charges and taxes of about $2,100 for the ground-floor and third-floor homes and about $1,630 for the second-floor homes. Unit-level transaction history is maintained in The Roebling Research Library and shared with clients during diligence.
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 |
|---|---|---|---|---|---|
| Mar 27, 2026 | 3A | 3 BR · 3 BA · 1,559 sf | $2,851,100 | $1,829/sf | +1.8% |
| Mar 24, 2026 | 1B | 2 BR · 2.5 BA · 2,015 sf | $2,647,450 | $1,314/sf | +2.8% |
| Jan 16, 2026 | 3B | 3 BR · 3 BA · 1,559 sf | $2,825,643 | $1,812/sf | +1.8% |
| Jan 12, 2026 | 2A | 2 BR · 2 BA · 492 sf | $1,985,587 | $4,036/sf | +1.8% |
| Jan 7, 2026 | 2B | 2 BR · 2 BA · 1,170 sf | $1,933,656 | $1,653/sf | +1.8% |
| Dec 30, 2025 | 1A | 2 BR · 2.5 BA · 2,046 sf | $2,642,358 | $1,291/sf | +1.8% |
Market read. Most recent trades (2026 to date) cleared a median $1,812/sf (recorded) across 5 sales. Median listing discount -1.8% over ask.
Sales sourced from NYC Department of Finance recorded transfers (BBL 3-01024-7503; 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 379 12th Street and nearby.
At the recent median sale of $2.64M (6 sales in the past 24 months, since October 31, 2024), a buyer putting 25% down would pay about $108,221 to close, or 4.1% of the price.
- Mansion tax: $33,061
- Mortgage recording tax: $38,186
- Title insurance: $11,902
- Attorneys, lender, building fees, reserves and filings: $25,072
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
Resale pricing. Read any ask against the six sponsor deeds, adjusting for any cellar area in the ground-floor homes. Below-grade space trades at a discount to above-grade space.
Cellar space. Ask what the certificate of occupancy permits on the cellar level. Habitable and accessory space are valued differently, and the plan's square footage may include both.
Taxes. No tax abatement has been confirmed in this review. Ask for the current tax bill and the class 2 assessment history.
Closing costs. On resale the buyer pays the state mansion tax (1% from $1 million, 1.25% from $2 million) and the seller pays the transfer taxes, unless the contract says otherwise. Use the calculators below.
Board turnover. With all six units sold, the board should be owner-controlled. Ask for the reserve balance and any open punch-list items from the sponsor.
Comparable buildings
If you're considering 379 12th Street, also look at these Park Slope condominiums:
- 378 12th Street — four-residence condominium by Van Brody directly across the street, with private terraces
- 306 12th Street — four-residence condominium with garden and penthouse duplexes and an active 421-a benefit
- 444 12th Street — 37-residence loft condominium in the former Ansonia Clock Company factory
- 205 14th Street — 1915 building converted into five condominiums, sold out in 2024–2025
- 222 16th Street — 32-residence condominium in sales since May 2026
- 420 Court Street — four-residence Carroll Gardens condominium by the same sponsor group and architect
More Park Slope buildings
- 373 3rd Street — 1920 condominium
- 378 12th Street — condominium
- 378 Eighth Street — condominium
- 379 13th Street — 1950 condominium
- 38 Montgomery Place — 1888 co-op
- 382 7th Street, 382 7th Street · Park Slope — 1925 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 379 12th Street?
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646.939.7375 · c.cohen@compass.com