815 Park Avenue, Manhattan, NY 10021

815 Park Avenue, Manhattan, NY 10021 is a 14-story elevator apartment building, built in 1917, with 46 residential units, on a 8,330 sq ft lot. The city's 2027 market value is $24,519,000. It last sold on 12/09/2025 for $2,500,000. City records list 66 violations (6 open), 5 mortgages and 22 sales for this lot.

1. 2027City market value set at $24,519,000
2. 12/09/2025Sold for $2,500,000
3. 1984Building altered
4. 1917Building completed

Address

815 Park Avenue

Borough

Manhattan

Zip code

10021

Block & lot

01409-0069

BBL

1014090069

Condo number

—

Community district

108

School district

2

Council district

4

Historic district

Upper East Side Historic District

Owner

Locked. Included in the full report.Unlock owner name for free

Property type

Elevator apartments (D4)

Square feet

101,056 sq ft

Building dimensions

Locked. Included in the full report.

Stories

14

Year built

1917

Year altered

1984

Residential units

46

Total units

46

Buildings on lot

1

Lot sq ft

8,330

Lot dimensions

77 ft x 100 ft

Zoning

Locked. Included in the full report.

FAR

Locked. Included in the full report.

Buildable area

Locked. Included in the full report.

Market value

$24,519,000

Tax year

2027

Last sale date

12/09/2025

Last sale price

$2,500,000

Tax amount

Locked. Included in the full report.

Loan amount

Locked. Included in the full report.

• Pre-foreclosureAny open foreclosure case on the lot: plaintiff, filing date, case type and court status.
• Owner & contacts· 105+ people and companiesOwner of record is a companyOwner of record, deed owners, mailing address, registered officers and managing agent, permit applicants.
• Sales history· 22 salesEvery priced sale on the lot, with unit and building class at the time of sale.
• Financials· 5 mortgagesOpen mortgages, lenders, loan amounts, recording and maturity dates, estimated equity.
• Tax· 5 years of assessmentsAnnual tax bill, tax class and assessment history by roll year.
• Permits· 100+ permitsBuilding permit filings, job types, status and estimated cost.
• DevelopmentZoning districts, residential, commercial and facility FAR, unused air rights.
• Violations· 66 violations6 openOpen and closed housing and building violations with balances due.

When was 815 Park Avenue built?

815 Park Avenue was built in 1917 and altered in 1984, according to the city's lot file.

How many units does 815 Park Avenue have?

815 Park Avenue has 46 units across 14 stories.

When did 815 Park Avenue last sell?

It last sold on 12/09/2025 for $2,500,000, according to the city's recorded sales.

What is 815 Park Avenue worth?

The city's 2027 market value for 815 Park Avenue is $24,519,000. That is the city's assessment estimate, not an appraisal or an asking price.

Who owns 815 Park Avenue?

Create a free Hercules account to see the owner of record for 815 Park Avenue. The full report adds the deed owners, the mailing address and the people named on the building's registrations.

• 778 Park AvenueElevator apartments (D4) · 120,073 sq ft
• 784 Park AvenueElevator apartments (D4) · 161,572 sq ft
• 48 East 74 StreetOne family dwelling (A4) · 7,600 sq ft
• 43 East 74 StreetElevator apartments (D3) · 6,805 sq ft
• 45 East 74 StreetOne family dwelling (A4) · 6,822 sq ft
• 49 East 74 StreetElevator apartments (D2) · 7,783 sq ft
• 51 East 74 StreetWalk-up apartments (C5) · 7,547 sq ft
• 55 East 74 StreetOne family dwelling (A7) · 6,570 sq ft

City market value and tax year

Market value is the city's estimate for tax purposes. This is not a current sale price or an appraisal.

Valuation tax year: 2027

Recorded sale

Latest recorded sale date: 12/09/2025

Refresh dates are not available in this preview. The tax year and sale date describe the records, not when Hercules last refreshed them.

Product facts · Market value, assessed value and sale price explained