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100 East 45th Street, New York, NY 10017 - Property report

Also known as: 100 E 45th St

Property image for 100 East 45th Street, New York, NY 10017

Property type

Office Only with or without Commercial - 20 Stories or More (O4)

Year built

1990

Lot sq. ft.

60,700

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
100 East 45th Street
Alternate address(es)
100-110 E 45th St
102 Air RGT E 45th St
ZIP code
10017
Neighborhood
Central Midtown
Borough
Manhattan
Block & lot
01280-9090

Owner

Find out who owns 100 East 45th Street, New York, NY 10017. Uncover corporate and individual owners with a free account.

Building
Property type
Office Only with or without Commercial - 20 Stories or More (O4)
Building sq. ft.
916,553
Building dimensions
220 ft x 273 ft
Buildings on lot
1
Stories
38
Year built
1990
Building material
Sales
Sale date
08/01/2006
Sale price
$300,000,000 - M
Tax
Tax year
2026-2027
Tax class
Zoning & Use
Commercial units
1
Office sq. ft.
Retail sq. ft.
Lot
Lot dimensions
220.75 ft x 275 ft
Lot sq. ft.
60,700
Ownership

Ownership information for 100 East 45th Street, New York, NY

Unlock full ownership info — get contact details, including phone numbers and emails for owners and the real people behind LLCs.

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 100 East 45th Street, New York, NY 10017

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
06/12/2026 - R UCC3 Assignment
(2026060900689004)		 XXX XX XXXXX XXX XXXX XX XXXXXXX X X
06/12/2026 - R UCC3 Assignment
(2026060900689002)		 XXX XX XXXXX XXX XXXXXX XXXXXXX XXXX X X
03/24/2026 - R Initial UCC1
(2026022500045001)		 XXX XX XXXXX XXX XXXX XX XXXXXXX X X
06/12/2026 - R
02/24/2026 - D		 Assignment, Mortgage
(2026060900689003)		 XXXX XX XXXXXXX X X XXXXXXXX XXXX XXXXXXXX XXXXX XXXXXXX
06/12/2026 - R
02/24/2026 - D		 Assignment, Mortgage
(2026060900689001)		 XXXXXX XXXXXXX XXXX X X XXXXXX XXXXXXX XXXXXXXX XXXXXXX XXXXXXXX XXX
03/04/2026 - R
02/12/2026 - D		 Agreement
(2026030400144001)		 XXX XX XXXXX XXX XXXX XX XXXXXXX X X
02/23/2026 - R
02/12/2026 - D		 Agreement
(2026022000096004)		 XXXX XX XXXXXXX X X XXXXX XXXX XXXXXXXX XXX
02/23/2026 - R
02/12/2026 - D		 Agreement
(2026022000096003)		 XXX XX XXXXX XXX XXXX XX XXXXXXX X X
02/23/2026 - R
02/12/2026 - D		 Assignment, Mortgage
(2026022000096002)		 XXXXXXX XXXX XXXXXXXXX XXXXXXX XXXXXX XXXXXXX XXXX X X
02/23/2026 - R
02/12/2026 - D		 Termination of Assign of L&R
(2026022000096001)		 XXXXXXX XXXX XXXXXXXXX XXXXXXX XXX XX XXXXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 100 East 45th Street, New York, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Municipal exemptions
Recent tax assessments
Market value
$565,891,000
Assessed value
$254,650,950

More about New York City Property Taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Taxable amount Tax rate Base tax Property tax Y-o-Y change
2025/26 $565,132,000 $254,309,400 $0 10.848% $25,806,382 $0 n/a
2024/25 $562,862,000 $253,287,900 $0 10.762% $25,530,565 $0 n/a
2023/24 $568,888,900 $256,000,000 $0 10.592% $25,365,024 $0 n/a
2022/23 $563,511,000 $253,579,950 $0 10.646% $25,503,050 $0 n/a
2021/22 $382,836,000 $172,276,200 $0 10.755% $18,528,305 $0 n/a
2020/21 $557,777,800 $251,000,010 $0 10.694% $26,841,940 $0 n/a
2019/20 $587,802,000 $264,510,900 $0 10.537% $26,446,377 $0 n/a
2018/19 $569,798,000 $256,409,100 $0 10.514% $25,874,415 $0 n/a
2017/18 $564,687,000 $254,109,150 $0 10.514% $25,520,854 $0 n/a
2016/17 $542,000,000 $243,900,000 $0 10.574% $24,158,693 $0 n/a
Permits

Permit information for 100 East 45th Street, New York, NY

No recently recorded permits for this property.

More about New York City property records

Violations

DOB Violations

Violation ID Issue date Type Status
06/06/2014 Bench-failure to benchmark
06/03/2013 Bench-failure to benchmark
05/03/2012 Bench-failure to benchmark

*Most recent DOB violations on record for this property.

Neighborhood

Manhattan commercial market stats

Review a detailed real estate market overview of Manhattan and assess current trends, property values, property types sold and transaction volumes. View the median price per square foot in Manhattan and compare it to other New York City boroughs.

Q2 2026 median price/sq. ft.

$729

10.4% Y-o-Y

Q1 2026 median price/sq. ft.

$807

22.4% Y-o-Y

2025 median price/sq. ft.

$630

-8.1% Y-o-Y

Check out recently sold homes in Manhattan and see how their prices compare.

Neighbors for 100 East 45th Street, New York, NY

7 World Trade Ctr, New York 25 W 88th St, New York 675 3rd Ave, New York 257 W 136th St, New York 1503 Lexington Ave, New York 450 Park Ave, New York 403 E 60th St, New York 2926 Fredrick Douglass Blvd, New York 28 W 128th St, New York 105 E 24th St, New York 525 E 72nd St, New York 512 7th Ave, New York 125 4th Ave, New York 450 Lexington Ave, New York 4530 Broadway, New York 20 River Ter, New York 325 W 76th St, New York 16 W 22nd St, New York 183 Madison Ave, New York 998 5th Ave, New York

Nearby ZIP codes for 100 East 45th Street, New York, NY

10016, New York City, NY 10020, New York City, NY 10022, New York City, NY 10103, New York City, NY 10110, New York City, NY 10112, New York City, NY 10152, New York City, NY 10154, New York City, NY 10165, New York City, NY 10167, New York City, NY 10169, New York City, NY 10170, New York City, NY 10171, New York City, NY 10172, New York City, NY 10173, New York City, NY 10174, New York City, NY 10177, New York City, NY

Frequently asked questions

What is the year built for 100 East 45th Street, New York, NY 10017?

The development at 100 East 45th Street, New York, NY 10017 was built in 1990.

What is the market value of 100 East 45th Street, New York, NY 10017?

The current market value of 100 East 45th Street, New York, NY 10017 is $565,891,000.

What is the total square footage of 100 East 45th Street, New York, NY 10017?

100 East 45th Street, New York, NY 10017 has a total of 916,553 square feet.

How many commercial spaces does this building have?

The number of commercial spaces in this building is 1.

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Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

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