For a more livable city from sidewalk to skyline

what we stand for

Advocacy

Planning
Fight for Light

For the economic, environmental, social, and public health of New York

2019–Present
Policy
Advocacy in Action

Collaborating on citywide solutions for equity, public realm access, racial justice, and resiliency

2020 - present
PlanningPolicyPreservation
Data Distillery

Data in translation

2024 - present
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Enduring Culture, a multivocal historic preservation vision for New York City

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Events + Tours

EventIn Person
Enduring Culture Spotlight: Staten Island Pride
Wednesday, June 4 at 10:00 AM
Free!
Attend
TourIn Person
Grand Central Terminal
with MAS Docent
Saturday, June 7 at 11:00 AM
Member: $25 | Non-member: $35
Sold Out!
TourIn Person
Defining Crown Heights North
with Suzanne Spellen & Morgan Munsey
Saturday, June 7 at 2:00 PM
Member: $25 | Non-member: $35
Buy Tickets
TourIn Person
The Bowery: 400 Years on New York’s Oldest Street
with David Mulkins
Sunday, June 8 at 11:00 AM
Member: $25 | Non-member: $35
Sold Out!
EventIn Person
Extreme Heat: Adapting Cities to Rising Temperatures
Wednesday, June 11 at 9:00 AM
Free!
Sold Out!
TourVirtual
Art Colony in Cornish, NH
with Sylvia Laudien-Meo
Friday, June 13 at 11:00 AM
Member: $15 | Non-member: $25
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