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The City of Watertown, Massachusetts

Property Assessment Data - Fiscal Year 2026

The assessments represent market value as of January 1, 2025. 

In fiscal year 2026 the Department of Revenue has approved the following rates and exclusions:

·         Residential Tax Rate: $12.20 / $1,000

·         Commercial Tax Rate: $23.47 / $1,000

·         Residential Value Exclusion: $324,715

·         Residential Tax Exclusion: $3,961.52

 

The City of Watertown Assessors' Office is located in the Administration Building at 149 Main Street, Watertown, MA 02472.

Office hours:

Mon, Wed, Thur. 8:30 am – 5:00 pm

Tuesday 8:30 am – 7:00 pm

Friday 8:30 am – 12:30 pm

Contact Information:

Phone: (617) 972 - 6410

Fax: (617) 972 - 6497

Email: assessors@watertown-ma.gov