For a more livable city from sidewalk to skyline

what we stand for

Advocacy

public space atrium at Trump Tower, 590 Madison Avenue
Planning
Advocates for Privately Owned Public Space

Protecting New York’s 80-acre network of public plazas and arcades

2000–present
PlanningPolicyPreservation
Data Distillery

Data in translation

2024 - present
Preservation
Adopt-A-Monument / Mural

Conserving public art through private funds

1987–present
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Registration for Jane’s Walk NYC 2026 is open to the public!

Sign up for walks!

Events + Tours

TourIn Person
Grand Central Terminal
with MAS Docent
Wednesday, April 15 at 11:00 AM
Member: $15 | Non-member: $25
Buy Tickets
TourIn Person
Grand Central Terminal
with MAS Docent
Saturday, April 18 at 11:00 AM
Member: $15 | Non-member: $25
Buy Tickets
TourIn Person
New! Two Bridges
with Matt Postal
Saturday, April 18 at 11:00 AM
Member: $25 | Non-member: $35
Buy Tickets
TourIn Person
400 Years of Flatbush
with Zack Rhodes
Sunday, April 19 at 11:00 AM
Member: $25 | Non-member: $35
Buy Tickets
TourIn Person
Grand Central Terminal
with MAS Docent
Sunday, April 19 at 11:00 AM
Member: $15 | Non-member: $25
Buy Tickets
EventIn Person
Celebrating the City 2026
Tuesday, April 21 at 6:00 PM
Member: $125 | Non-member: $150
Buy Tickets
View All Events + Tours

Help us continue our policy advocacy of behalf of New York City.

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Legacy

Celebrating 130 years of advocacy on behalf of New York and New Yorkers.
Learn More
Person's hand drawing plans for Coney Island
2008
Imagining Coney Island
View Our Full History