For a more livable city from sidewalk to skyline

what we stand for

Advocacy

illustration on skyline as seen from Central Park
Planning
Accidental Skyline

A blueprint for a more intentional city

2013–present
PlanningPolicyPreservation
Data Distillery

Data in translation

2024 - present
Preservation
Enduring Culture

Supporting, celebrating, and preserving diverse cultural heritage throughout NYC

2023 - present
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Enduring Culture, a multivocal historic preservation vision for New York City

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Events + Tours

TourIn Person
Proper Chelsea
with James Russiello
Sunday, June 15 at 11:00 AM
Member: $25 | Non-member: $35
Buy Tickets
TourIn Person
Grand Central Terminal
with MAS Docent
Saturday, June 21 at 11:00 AM
Member: $25 | Non-member: $35
Sold Out!
TourIn Person
Pack Your Bags: Midtown West Hotels
with Matt Postal
Saturday, June 21 at 11:00 AM
Member: $25 | Non-member: $35
Buy Tickets
TourIn Person
SoHo Cast Iron Historic District
with Anthony W. Robins
Sunday, June 22 at 11:00 AM
Member: $25 | Non-member: $35
Buy Tickets
EventIn Person
Book Talk: Queer Happened Here
Wednesday, June 25 at 5:00 PM
Free!
Sold Out!
TourIn Person
Tribeca’s Quiet Corner
with Matt Postal
Thursday, June 26 at 6:00 PM
Member: $25 | Non-member: $35
Buy Tickets
View All Events + Tours
children play on the shore near the Brooklyn Bridge. Photo: Giles Ashford.

MAS is proud to fight alongside you for a city where growth is balanced and character endures.

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Legacy

Celebrating 130 years of advocacy on behalf of New York and New Yorkers.
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Vintage transit map for New York City
1903
Advocating for a Consolidated Transportation System
View Our Full History