Building
Block Hall
21-23 S William St, Manhattan, NY 10004

View available floor plans

21-23 S William St is a condo building in New York. It was built in 1900.

Units

There are no active listings available.

Building
Block Hall
21-23 S William St, Manhattan, NY 10004

View available floor plans

Building Amenities

Common Roof Deck
Elevator
Gym
Laundry in Building
Laundry on Every Floor
Offsite Super
Part-Time Doorman
Pre-war
Remote Doorman
Video Intercom

Building Policies

General Policies
Pet Policy: Pets Allowed
Rental/Sublet Policy: Allowed
Pied-a-Terre Policy: Allowed
Live/Work Policy: Allowed
Sales & Financial Policies
Min Down Payment: 10%
Tax Deductibility: -
Transfer Fee (Flip Tax): No
HDFC Income Restrictions: Not Applicable
Guarantors Policy: Allowed
Parental Purchasing Policy: Allowed
Co-Purchasing Policy: Allowed
Gifting Policy: Allowed
Diplomats Policy: Allowed
Policies are subject to change at the discretion of building management and may not apply to renters.

Building Facts

Building Overview
Property Type: Condo
Building Size: Lowrise
Access: Elevator
Service Level: Remote Doorman
Year Built: 1900
Building Era: Pre-war
Tax Abatement: 421A
Tax Abatement Expires: 2020
HDFC Building: No
Size & Dimensions
Units: 32
Stories: 8
Building Sq. Ft.: 25,483 Sq. Ft.
Lot Sq. Ft.: 4,377 Sq. Ft.
Zoning & Use
Residential Units: 32
Total Units: 32
Location Details
Street Address: 21-23 S William St
Zip Code: 10004
Building Name: Block Hall
Complex Name: -
Neighborhood: Financial District
Borough: Manhattan
City: Manhattan
State: NY

Similar Buildings

Neighborhood Map and Transit

Schools

SchoolTypeGradesDistanceRating
Millennium High SchoolPublic9-120.1 mi
8
Leman Manhattan Preparatory SchoolPrivatePK-120.1 mi
NR
Lower Manhattan Community Middle SchoolPublic6-80.1 mi
8
Richard R Green High School Of TeachingPublic9-120.1 mi
6

Millennium High School

9-12, 0.1 mi, Public

8

Leman Manhattan Preparatory School

PK-12, 0.1 mi, Private

NR

Lower Manhattan Community Middle School

6-8, 0.1 mi, Public

8

Richard R Green High School Of Teaching

9-12, 0.1 mi, Public

6

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Neighborhood image
Financial District
A bustling hub for business and commerce. Fast-paced during the day and calm and clear at night, the Financial District is both a bustling financial hub and a residential catch. Convenient transportation, a reasonably-priced rental market, and fun attractions like South Street Seaport and the...
Financial District Guide

Discover Your Perfect Home

Explore Nearby Homes

Compass is a licensed real estate broker. Information is compiled from sources deemed reliable but is subject to errors and omissions. No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of facts, descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass expressly disclaims any liability in connection therewith. No financial, legal or other professional advice provided. See Terms of Service for additional restrictions. Equal Housing Opportunity.

Updated as of Nov 6, 2025.