Extraordinary Scale, Light & Architectural Presence
Built in 1887 by architect John C. Prague and renovated by one of New York’s most respected builders, this five-story home seamlessly combines a sophisticated four-bedroom residence with an impressive six-room office for an exceptional live/work environment.
Enormous casement windows, exceptional millwork and thoughtful design bring a distinctly European sensibility to a setting that balances traditional architecture with modern living. The house can easily become a compelling, grand single-family residence–all within a 20' wide lot. The house has a private elevator.
The residence, on the upper floors, features four bedrooms, exceptional millwork, thoughtful design, voluminous entertaining spaces, a showstopping south-facing kitchen. The office, on the lower floors, offers exceptional light, has direct garden access and provides generous space for 25 people. It operates entirely independently from the residence with its own reception room for business meetings.
Exciting architectural highlights include outdoor space on each floor, working fireplaces, a newly designed staircase with skylight atop, central air conditioning, and a large gym.
*A third party, FloorPlanSource, states the interior gross square footage to be approximately 7,900SF.
Building:
-Architect, John G. Prague, 1887
-8,700SF total: 6,550SF + 1,350SF for basement + 800SF exterior
-100.67'x20' Lot
-Taxes: $6,339/month ($76,068/yr)
-Elevator
-Home gym
-Wine cellar
-Radiant heat flooring
-Skylights
-Finished basement gym
Residence:
-7 rooms, 4 beds, 3.5 baths
-3,490SF*
-High ceilings
-2 wood burning fireplaces
-3 gas fireplaces
-Radiant heat flooring
-Elevator
Office:
-6 rooms, 2 half baths
-2,690SF*
-Wood-burning fireplace
-Fully wired and updated for office use
-Radiant heat flooring
Active
$9,900,000
129 W 86th St, New York, NY 10024
4beds
7,900sqft
Single Family Residence
Built in 1910
-- sqft lot
$9,475,900 Zestimate®
$1,253/sqft
$-- HOA
What's special
Working fireplacesVoluminous entertaining spacesCentral air conditioningFinished basement gymLarge gymPrivate elevatorHigh ceilings
- 55 days
- 1,420
- 134
Zillow last checked:
Listing updated:
Listed by:
Compass 646-460-6797,
Mark Blumenfeld,
Cornelia Eland
Source: StreetEasy,MLS#: S1848101
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 6
- Full bathrooms: 3
- 1/2 bathrooms: 3
Rooms
- Room types: Bike Room, Package Room
Cooling
- Central Air
Appliances
- Included: Dishwasher, Washer/Dryer
- Laundry: Inside
Features
- Flooring: Hardwood
- Has fireplace: Yes
- Fireplace features: Wood Burning
Interior area
- Total structure area: 7,900
- Total interior livable area: 7,900 sqft
Property
Features
- Patio & porch: Other, Deck, Terrace
- Exterior features: Courtyard, Balcony, Garden, Private Roof Deck, Terrace
- Has view: Yes
- View description: City, Garden
Details
- Parcel number: 012170021
- Special conditions: Resale
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Roof: Roof Rights
Condition
- Year built: 1910
Community & HOA
Community
- Subdivision: Upper West Side
HOA
- Has HOA: Yes
- Amenities included: Laundry, Roof Deck, Fitness Center, Elevator(s)
Location
- Region: New York
Financial & listing details
- Price per square foot: $1,253/sqft
- Tax assessed value: $12,741,000
- Annual tax amount: $76,068
- Date on market: 9/17/2026
Estimated market value
$9,475,900
$9.00M - $9.95M
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 9/17/2026 | Listed for sale | $9,900,000+842.9%$1,253/sqft |
Source: StreetEasy #S1848101 Report a problem | ||
| 6/23/1998 | Sold | $1,050,000+143.1%$133/sqft |
Source: Public Record Report a problem | ||
| 10/25/1995 | Sold | $432,000$55/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $75,217 +0.8% | $764,460 +7.3% |
| 2024 | $74,653 +4.8% | $712,140 +5.9% |
| 2023 | $71,213 | $672,660 -5.5% |
| 2022 | -- | $712,080 -6.9% |
| 2021 | -- | $765,180 -12.2% |
| 2020 | -- | $871,500 -5.3% |
| 2019 | $65,562 +7.3% | $920,460 +215% |
| 2018 | $61,127 +8.8% | $292,207 +6% |
| 2017 | $56,195 +8.1% | $275,667 +6% |
| 2016 | $51,989 | $260,064 |
| 2015 | $51,989 +65.8% | $260,064 +0.8% |
| 2014 | $31,366 | $258,116 +6% |
| 2013 | -- | $243,506 +6% |
| 2012 | -- | $229,723 +6% |
| 2011 | -- | $216,720 |
| 2010 | -- | $216,720 +0.8% |
| 2009 | -- | $215,097 +6% |
| 2008 | -- | $202,922 +6% |
| 2007 | -- | $191,436 +6% |
| 2006 | -- | $180,600 +10.5% |
| 2005 | -- | $163,481 +8% |
| 2004 | -- | $151,373 |
| 2003 | -- | $151,373 +3.2% |
| 2002 | -- | $146,679 +8% |
| 2001 | -- | $135,814 +8% |
| 2000 | -- | $125,755 |
Find assessor info on the county website




