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Parcel ID: 0503278000
Address: 300 BEACON ST BOSTON MA 02116
Property Type: Four to Six Family
Classification Code: 0111 (Apartment Property / APT 4-6 UNITS)
Lot Size: 2,850 sq ft
Living Area: 6,596 sq ft
Year Built: 1899
Owner on Wednesday, January 1, 2025: DIAMOND THELMA B
Owner's Mailing Address: 101 MT VERNON ST #3 C/O JONATHAN R DIAMOND BOSTON MA 02108
Residential Exemption: No
Personal Exemption: No

Value/Tax
Assessment as of Monday, January 1, 2024, statutory lien date.

FY2025 Building value:
$1,494,000.00
FY2025 Land Value: $1,040,900.00
FY2025 Total Assessed Value: $2,534,900.00

FY2025 Tax Rates (per thousand):
    - Residential: $11.58
    - Commercial: $25.96

FY2026 Preliminary Tax (Q1 + Q2):
    Estimated Tax: $14,677.07
    Community Preservation: $140.98
    Total, First Half: $14,818.05


Abatements/Exemptions

Applications for Abatements, Residential Exemptions, and Personal Exemptions for FY2026 will become available for download on Thursday, January 1, 2026


Current Owner/s
DIAMOND THELMA B
THELMA B DIAMOND RLTY TR

Owner information may not reflect any changes submitted to City of Boston Assessing after June 01, 2025. Authoritative ownership information is held by the Registry of Deeds.


Value History
Fiscal Year Property Type Assessed Value *
2025 Four to Six Family $2,534,900.00
2024 Four to Six Family $2,526,400.00
2023 Four to Six Family $2,565,900.00
2022 Four to Six Family $2,492,900.00
2021 Four to Six Family $2,526,400.00
2020 Four to Six Family $2,488,200.00
2019 Four to Six Family $2,379,000.00
2018 Four to Six Family $2,293,500.00
2017 Four to Six Family $2,142,000.00
2016 Four to Six Family $1,686,500.00
2015 Four to Six Family $1,685,500.00
2014 Four to Six Family $1,611,500.00
2013 Four to Six Family $1,528,000.00
2012 Four to Six Family $1,369,000.00
2011 Four to Six Family $1,309,000.00
2010 Four to Six Family $1,344,000.00
2009 Four to Six Family $1,394,500.00
2008 Four to Six Family $1,394,500.00
2007 Four to Six Family $1,337,500.00
2006 Four to Six Family $1,060,000.00
2005 Four to Six Family $1,023,500.00
2004 Four to Six Family $993,000.00
2003 Four to Six Family $978,000.00
2002 Four to Six Family $909,500.00
2001 Four to Six Family $817,500.00
2000 Four to Six Family $523,500.00
1999 Four to Six Family $465,500.00
1998 Four to Six Family $465,500.00
1997 Four to Six Family $488,000.00
1996 Four to Six Family $448,500.00
1995 Four to Six Family $419,500.00
1994 Four to Six Family $380,500.00
1993 Four to Six Family $380,500.00
1992 Four to Six Family $410,000.00
1991 Four to Six Family $528,000.00
1990 Four to Six Family $528,000.00
1989 Four to Six Family $650,000.00
1988 Four to Six Family $397,500.00
1987 Four to Six Family $326,000.00
1986 Four to Six Family $256,500.00
1985 Four to Six Family $277,700.00

* Actual Billed Assessments

View Quarterly Tax Bill and Payment Information for this parcel for FY2025 and FY2026.

View approved building permits associated with this parcel.

Questions? For CURRENT fiscal year tax bill Questions, contact the Taxpayer Referral & Assistance Center. For PRIOR fiscal year tax payments, interest charges, fees, etc. contact the Collector's office at 617-635-4131.
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