Welcome

The Town of Mamaroneck Property Record Online System (“PROS”) is an interactive assessment website that provides the capability to search property information for any parcel in Town of Mamaroneck including assessment information, property inventory and comparable sales.

                                              Town of Mamaroneck Assessor’s Office                                                                   

 

Assessor's Office Information 

 

Pamela Valenza, Assessor

e-mail: townassessor@TownofMamaroneckNY.gov

 

740 West Boston Post Rd

Second Floor, Room 207

Mamaroneck, NY 10543

 

 PH: (914) 381-7820 

FAX: (914) 381-2111

 

OFFICE HOURS: Monday - Friday 8:30AM - 4:30PM

 Summer Hours (Memorial to Labor Day Monday - Friday 8:30AM - 4:00PM)

 

News, Updates, and Information:

 

Please see the Forms page on left for Grievance Information

 

 Sale and Assessment Information:

 

Change Of Assessment Cover Letter 2025

 

 

Residential Sales with Photos

Residential Valid Sales

Condominium Valid Sales

Commercial Inventory and Valid Sales

Streets Within Neighborhoods

Neighborhoods Map

  

  

Links

 

Tax.NY.Gov(ny.gov) 

https://www.townofmamaroneckny.gov/