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6 South Portland AvenueRecorded sales & closing prices

6 South Portland Avenue, between DeKalb and Lafayette Avenues · Fort Greene

12 recorded transfers, 2005–2025. Sortable and searchable below.

Co-ops are normally measured by price per room, since square footage is not officially recorded for them. This building is shown in price per square foot because most of its sales carry documented footage, which makes the sharper measure the honest one here.

Recorded transfers
12
Date range
2005–2025
Median $/sf
$1,187
2015 · latest with sq ft
Listing discount
-3.9%
median, from last ask
Monthly carry/sf
$0.89
≈ $984/mo · recent
Price range
$325K – $1.65M
Price shift · median $/sf · raw yearly
Since 2008
▲ +65.1%
10-Year
not enough data
Since 2022
not enough data
1-Year
▲ +12.2%

Change in the building’s median $/sf over each window, from the raw yearly medians — too few standardized single-line units here to adjust to an average-floor basis, so which apartments happened to trade moves these alongside price. (2022 marks the rate-shock inflection.) Like-for-like repeat-sale figures to follow.

The complete recorded-sale history for 6 South Portland Avenue, compiled from NYC Department of Finance transfer records, with apartment-by-apartment detail from The Roebling Research Library.

Price per square foot over time

5 sales with a known square footage, by closing date.

$584$903$1,221'08'10'12'14'153A · $618/sf · 20085B · $707/sf · 20103A · $736/sf · 20124A · $1,000/sf · 20143A · $1,187/sf · 2015
Each dot is one recorded sale with a known interior square footage, plotted by closing date against price per square foot. The line is the median $/sf each year, adjusted to a floor-standardized (average-floor) unit — so it reflects price movement, not which floors happened to sell that year. Individual sale prices in the table below are unadjusted — and you can click any dot to jump straight to that sale.

Recent closings

The building’s 10 most recent market sales.

DateUnitApartmentPrice$/sfvs. Ask
Mar 7, 20252A1 BR · 1 BA$1,653,000+18.1%
Jan 24, 20192A1 BR$1,180,000-1.3%
Dec 23, 20153A2 BR · 1 BA · 1,100 sf$1,306,000$1,187+8.9%
Aug 27, 20144A2 BR · 1 BA · 1,100 sf$1,100,000$1,000+0.0%
Aug 30, 20132A1 BR$860,006+10.3%
Nov 9, 20123A2 BR · 1,100 sf$810,000$736+1.4%
Jan 21, 20105B1 BR · 460 sf$325,000$707+0.0%
Apr 7, 20083A2 BR · 1,100 sf$680,000$618+6.4%
May 12, 20062A1 BR$651,799—
Apr 6, 20064A2 BR · 1 BA · 1,100 sf$642,000$584—

The retrade record

Lines that have changed hands more than once in the public record — the building’s appreciation arc, apartment by apartment.

2A+92%
$860,006 2013 → $1,180,000 2019 → $1,653,000 2025
3A · 1,100 sf+92%
$680,000 ($618/sf) 2008 → $810,000 ($736/sf) 2012 → $1,306,000 ($1,187/sf) 2015

Every recorded sale

Sort any column; filter by unit or keyword. Prices are the recorded transfer amount at the NYC Department of Finance. Every sale sits in one of three states: counted in the building’s medians and trend; shown but excluded as a non-arms-length or nominal transfer; or shown and ⚑ flagged for review — a possible duplicate filing or an extreme $/sf outlier, held out of the statistics pending manual verification rather than allowed to move them.

12 recorded sales
Apartment
Mar 7, 20252A1 BR · 1 BA—$1,653,000—+18.1%
Jan 24, 20192A1 BR—$1,180,000—-1.3%
Dec 23, 20153A2 BR · 1 BA1,100$1,306,000$1,187+8.9%
Aug 27, 20144A2 BR · 1 BA1,100$1,100,000$1,000+0.0%
Aug 30, 20132A1 BR—$860,006—+10.3%
Nov 9, 20123A2 BR1,100$810,000$736+1.4%
Jan 21, 20105B1 BR460$325,000$707+0.0%
Apr 7, 20083A2 BR1,100$680,000$618+6.4%
May 12, 20062A1 BR—$651,799——
Apr 6, 20064A2 BR · 1 BA1,100$642,000$584—
Jun 1, 20051A—$349,637——
Mar 14, 20055B1 BR460$246,500$536—
Sources, exclusions and how these figures are computed

Sales sourced from NYC Department of Finance recorded transfers (BBL 3-02099-0045). 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 on co-ops is not officially recorded, figures shown are approximate. Storage, parking, and commercial units are excluded from all figures. Floor- and line-level $/sf are time-controlled (each sale measured against the building’s going rate at the time of sale) and expressed at today’s pricing, so they isolate the floor or line premium rather than blend two decades of market movement.

Buying or selling at 6 South Portland Avenue?

Put this data to work.

Buying here

Know what’s fair before you offer — we’ll show you where each line trades, the building’s discount-to-ask pattern, and where the value sits right now.

Selling here

Price to the building’s real trajectory, not a guess — we’ll position your line against its true comps to maximize the outcome.

Corey Cohen, Principal · The Roebling Team at Compass
646.939.7375 · c.cohen@compass.com