427 St. John's Place
427 St. John's Place, between Underhill and Washington Avenues · Prospect Heights
BBL 3011737502 · BIN 3029407
- Year built
- 1912
- Type
- Condominium
- Landmark
- No
- Amenities
- Shared patio with gas grill and seating, laundry room, bicycle storage and private storage
Every recorded sale at this building, 2009–2025
Price-per-square-foot over time, the line- and floor-premium curves, and every recorded sale.
- Median $/sf
- $1,231
- Listing discount
- -1.4%
- Recorded sales
- 17
- On record
- 2009–2025
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A Private Pricing Opinion — what your apartment at 427 St. John's Place 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.
427 St. John's Place combines condominium ownership with the scale of a four-story prewar apartment house. Its 16 residences occupy a building completed in 1912 near the eastern end of the St. John's Place block between Underhill and Washington Avenues. The shared outdoor space is a furnished patio with a gas grill, giving the condominium a communal place to sit and eat outside.
The location puts Washington Avenue's shops and restaurants at the end of the block, with the Brooklyn Museum and Brooklyn Botanic Garden to the south. The building's one- and two-bedroom apartments keep the inventory concentrated in relatively compact homes.
Architecture and unit composition
The building occupies a broad, approximately 50-foot-wide lot. Its four-story walk-up form places the upper apartments several flights above the entrance; there is no elevator. Apartment sizes include one-bedroom homes around 650 square feet and two-bedroom homes around 770 square feet, with some larger layouts also present.
The one-bedroom plans can accommodate a dining table or workspace alongside the living area. Windowed kitchens and large living-room windows are features of these layouts. Two-bedroom apartments include exposed brick and living-and-dining areas with substantial natural light. Hardwood floors recur across the apartment types, although alterations over the condominium's resale history have changed individual interiors.
Building operations
The shared laundry room, bicycle storage and patio are common facilities. Private storage also accompanies some apartments. Storage allocation is therefore part of the particular home being purchased; an included storage space should be identified separately from general access to the building's bicycle area.
The largest owner holds five of the 16 residential units, or 31%. That concentration makes one owner's position material to the association's finances, even though it is below a majority of the apartments. Unit count alone doesn't set that owner's share of common charges or voting rights.
Recent sales
Recent closings 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 | PPSF | vs. Ask |
|---|---|---|---|---|---|
| Jul 8, 2025 | 2B | 2 BR · 1 BA · 770 sf | $999,999 | $1,299/sf | +8.1% |
| Jul 8, 2025 | 1C | 1 BR · 1 BA · 650 sf | $755,000 | $1,162/sf | +31.3% |
| May 25, 2023 | 4B | 2 BR · 1 BA · 770 sf | $930,000 | $1,208/sf | +16.3% |
| Jun 19, 2013 | 4C | 650 sf | $419,000 | $645/sf | off-mkt |
| Jun 13, 2013 | 4B | 2 BR · 770 sf | $505,986 | $657/sf | +1.4% |
| May 20, 2010 | 3B | 770 sf | $367,575 | $477/sf | off-mkt |
| Jan 15, 2010 | 2A | 888 sf | $446,160 | $502/sf | off-mkt |
| Jan 13, 2010 | 3C | 650 sf | $334,620 | $515/sf | off-mkt |
Market read. Most recent trades (2025) cleared a median $1,231/sf across 2 sales. Median listing discount -1.4% 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 3-01173-7502) 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; square footage from recorded condo declarations and offering plans.
Buying here? Condo closing costs with a mortgage typically run 3 to 6% of the price. See NYC co-op and condo closing costs, line by line.
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Comparable buildings
- The Prospect, 823 Classon Avenue: A prewar condominium with a somewhat larger apartment inventory near the same museum and park corridor.
- Park Union, 910 Union Street: A small prewar condominium for buyers comparing ownership scale on the Park Slope side of Grand Army Plaza.
- 1492 Bedford Avenue: A low-rise prewar condominium with a larger association east of this address.
- 851 Carroll Street: A prewar condominium in a comparably low-rise building, farther into Park Slope.
- 64 Seventh Avenue: A smaller prewar condominium with an avenue setting and similarly limited inventory.
More Prospect Heights buildings
- 408 St Johns Place — 1924 co-op
- 41 Eastern Parkway — 1926 co-op
- 418 St Johns Place — 1924 co-op
- 430 Sterling Place — 1908 co-op
- 436 Sterling Place — 1908 co-op
- 50 Plaza Street East — 1925 co-op
The neighborhood
For the full neighborhood — its buildings, character, and market — read The Roebling Team Guide to Prospect Heights.
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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