78 Eighth Avenue
78 Eighth Avenue, at the southwest corner of Union Street, Brooklyn — Park Slope
Park Slope, Brooklyn
BBL 3010650031 · BIN 3024654
- Year built
- 1928
- Type
- Cooperative
- Units
- 58
- Floors
- 6
- Amenities
- Live-in superintendent, part-time porter, landscaped courtyard, community room, package room, common laundry, bicycle storage and private storage
- Landmark status
- Not an individual landmark; in the Park Slope Historic District
- NYC Landmarks Preservation Commission records, updated February 2026
- Pets
- Pets permitted; species and limits 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
- $700K
- 12 qualifying sales
- Recent range
- $520K – $2.1M
- Listing discount
- 0.0%
- Recorded transfers
- 76
Own an apartment here? See what it would sell for.
A Private Pricing Opinion — what your apartment at 78 Eighth Avenue 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.
78 Eighth Avenue occupies the corner of Union Street one block from Prospect Park's Grand Army Plaza entrance. The six-story cooperative combines a substantial prewar exterior with a shared planted courtyard. Its apartment inventory reaches from studios to combined three-bedroom homes, creating several entry points within the same building.
The corner gives apartments street exposures on Eighth Avenue and Union Street, while other windows face the courtyard or adjoining property. The garden introduces a separate outdoor setting within the building's footprint, with planted beds, a deck and a pergola. The courtyard is common space shared by the cooperative.
This is a residential building within the original Park Slope Historic District. Its brick and ornamental trim contribute to a streetscape where larger apartment houses stand among lower row houses. The landmark designation is attached to the property, so exterior changes fall within the district's preservation framework.
Architecture and unit composition
Sugarman & Berger used red tapestry brick and terra-cotta ornament, with Tudor-inspired elements around the openings. The building rises to a relatively even roofline, and its corner location gives the street-facing apartments a wider variety of orientations than an interior-block frontage.
The smallest homes are studios, some with separate eat-in kitchens and additional alcoves. One-bedroom layouts vary considerably: compact plans coexist with larger homes containing formal entrance foyers, windowed kitchens and substantial living rooms. Two-bedroom apartments and later combinations provide the larger end of the inventory.
Arched openings, original oak flooring, high baseboards and tall ceilings survive in some apartments. Renovations have treated these features differently, so original room divisions and open kitchen arrangements both occur. Windowed bathrooms and kitchens are recurring attributes in the traditional plans.
Several larger one-bedroom layouts extend across more than one exposure. Combined homes introduce additional bedrooms and bathrooms within joined apartment footprints. Their room distribution can differ significantly from a single original line, especially where a former entrance or kitchen has been absorbed into living space.
Building operations
A live-in superintendent and part-time porter provide the building's staffing. Entry uses a video-based system, and packages have a dedicated room. The cooperative also maintains central laundry, bicycle storage and a community room.
The courtyard accommodates gardening and outdoor sitting, including vegetable and flower beds during the growing season. Those planted areas are maintained as shared building space. Private storage is available subject to a waiting list and additional charge — confirm availability with the managing agent.
Pets and in-unit washer/dryer
- Pets
- Pets permitted; species and limits not statedSource: The Roebling Team's building profile
- In-unit washer/dryer
- Not verified
Considering an apartment here? Send Corey the listing to confirm the pet and washer/dryer rules for that apartment.
Own an apartment here? Request an apartment-specific pricing review.
Monthly carrying charges in recent sales
- Maintenance, per room
- $465 per room a monthMedian of 16 recorded sales since October 2023Source: recorded sales, refreshed October 2026
- Maintenance, per square foot
- $1.68 per square foot a monthMedian of 7 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
- Live-in superintendent
- YesSource: The Roebling Team's building profile
- Package room
- YesSource: The Roebling Team's building profile
- Elevator
- YesSource: NYC Department of City Planning records (PLUTO)
- Amenities noted
- Garden, bike storage, storage, laundry roomSource: 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
- 2024–2029 annual penalty
- $0 (under cap)
- 2030–2034 annual penalty
- $21,264/yr
- Per unit / month range
- $0 – $31
- Modeled exposure split equally across 58 units (the residential count on the city's lot record). Not an assessed amount; co-op shareholders are typically charged by share allocation.
Source: NYC LL84 benchmarking and PLUTO · The Roebling Research Library. City data last refreshed October 2026.
See full Local Law 97 analysis — emissions history, scenarios, methodology →Facade safety — Local Law 11
The latest available filing classified the facade as SWARMP — Safe With A Repair and Maintenance Program: the inspector (QEWI) identified conditions requiring monitoring or repair, with repairs due by the deadline stated in the filing. The scope, timeline, and how the building funds the work are building-specific — we review the filings and board materials for you.
How to read this, and where it comes from
QEWI = Qualified Exterior Wall Inspector — a licensed professional engineer or registered architect who meets DOB’s FISP qualifications and signs the report (the independent expert, not the managing agent).
Penalties shown are amounts DOB assessed against filings on record across 2005–10 to 2020–25. The FISP dataset does not record whether they were paid, contested or remain open, so treat the figure as history rather than a current balance and confirm the building’s standing with the managing agent.
Source: NYC DOB facade filings (FISP) · The Roebling Research Library. City data last refreshed October 2026.
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 | PPSF | vs. Ask |
|---|---|---|---|---|---|
| Jul 30, 2026 | 2K | 1 BR · 1 BA | $605,000 | +0.8% | |
| Jul 20, 2026 | 1E | 1 BR · 1 BA · 850 sf | $845,000 | $994/sf | +7.6% |
| Jul 17, 2026 | 5F | 1 BA · 650 sf | $440,000 | $677/sf | +1.1% |
| Feb 19, 2026 | 5J | 2 BR · 2 BA | $1,275,000 | +6.3% | |
| Nov 5, 2025 | 6F | 1 BA | $481,000 | +3.4% | |
| Oct 29, 2025 | 4K | 1 BR · 1 BA | $575,000 | +0.0% | |
| Apr 1, 2025 | 6J | 2 BR · 2 BA | $1,650,000 | +10.4% | |
| Jan 23, 2025 | 4G | 1 BR · 1 BA | $800,000 | +0.1% |
Market read. Most recent trades (2026 to date) cleared a median $834/sf (floor-adjusted) across 2 sales. Floor-adjusted means each sale is restated to a constant mix of floors, so the figure can differ from the plain median of the sales listed above. 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.
Other recent transfers
| Date | Unit | Price |
|---|---|---|
| Aug 26, 2021 | 1J | $1,249,457 |
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 3-01065-0031). 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.
What would your apartment rent for?
Enter your apartment and I'll send you what it would rent for, from comparable closed leases at 78 Eighth Avenue and nearby.
At the recent median sale of $745K (10 transfers in the past 24 months, since November 12, 2024), a buyer putting 25% down would pay about $11,342 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: $11,342
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
- 90 Eighth Avenue — A nearby prewar cooperative with a similar residential inventory in a taller building.
- 225 Lincoln Place — A six-story prewar cooperative with closely comparable scale near the same park entrance.
- 209 Lincoln Place — Another similarly sized prewar cooperative, with more floors and different exposure opportunities.
- 235 Lincoln Place — A later prewar cooperative in a comparable low-rise elevator format.
- 140 Eighth Avenue — A larger cooperative inventory at the same building height farther along Eighth Avenue.
More Park Slope buildings
- 751 President Street — 1920 condominium
- 759 President Street (The Presidential) — 1884 co-op
- 777 Carroll Street — 1888 condominium
- 799 President Street — 1912 co-op
- 8 Windsor Place — 1920 condominium
- 808 Eighth Avenue — 1904 co-op
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.
Considering a move at 78 Eighth Avenue?
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646.939.7375 · c.cohen@compass.com