121 PROSPECT ST
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(2)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Somerville School District
Neighborhood · ZIP 02143These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Owner Tools
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
121 Prospect St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Smaller than 86% of homes in Middlesex County
- Has a bigger lot than 82% of homes in Union Square / Prospect Hill
- Newer than 82% of homes in Union Square / Prospect Hill
How it measures up in Somerville 02143
The dot is this home. The mark in the middle is the typical home in Somerville 02143.
Bigger than 26% of homes nearby
Bigger than 81% of homes nearby
Newer than 82% of homes nearby
| Measure | This home | Union Square / Prospect Hill | Somerville 02143 | Middlesex County |
|---|---|---|---|---|
| Living areabigger than | 1,082 ft² | 26% of homes | 26% of homes | 14% of homes |
| Lot sizebigger than | 0.23 ac | 82% of homes | 81% of homes | 40% of homes |
| Year builtnewer than | 1970 | 82% of homes | 82% of homes | 64% of homes |
About 121 Prospect St
When did 121 Prospect St, Somerville, MA last sell?
121 Prospect St, Somerville, MA last sold on Jan 22, 2024 for $5,175,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.
How big is 121 Prospect St, Somerville, MA?
121 Prospect St, Somerville, MA has 1,082 square feet of living space and a 0.23-acre lot.
When was 121 Prospect St, Somerville, MA built?
121 Prospect St, Somerville, MA was built in 1970, making it 56 years old. The building has 1 story.
What schools serve 121 Prospect St, Somerville, MA?
121 Prospect St, Somerville, MA is assigned to Albert F. Argenziano School at Lincoln Park (elementary), rated C; Somerville High School (high), rated C. All sit in Somerville School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 121 Prospect St, Somerville, MA compare to other homes in Somerville 02143?
Among the 5,955 homes in Somerville 02143, it is bigger than 26% of them (1,082 ft² against a typical 1,757 ft²), its lot is bigger than 81% of them (0.23 ac against a typical 4,095 ft²) and it is newer than 82% of them (1970 against a typical 1900). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 121 Prospect St, Somerville, MA?
The 2025 property tax bill for 121 Prospect St, Somerville, MA was $20,947. The county assessed it at $1,920,000.
More homes on Prospect St
- 101 Prospect St # 2$782K2 bd · 1 ba · 1,000 ft² · Sold $790K · Apr 2026
- 116 Prospect St4 bd · 3 ba · 2,970 ft² · Sold $1.6M · Aug 2025
- 109 Prospect St # 105$947K2 bd · 2 ba · 1,028 ft² · Sold $975K · May 2025
- 89 Prospect St$1.1M2 bd · 1.5 ba · 1,104 ft² · Sold $1M · Nov 2024
- 86 Prospect St6 bd · 4 ba · 3,338 ft² · Sold $5.1M · Oct 2024
- 97 Prospect St # 3$1.7M3 bd · 2.5 ba · 1,838 ft² · Sold $1.8M · May 2024
- 102 Prospect St0.11 ac · Sold $700K · Oct 2023
- 97 Prospect St # 4$1.6M3 bd · 2.5 ba · 1,838 ft² · Sold $1.7M · Jun 2022
- 70 Prospect St # 201$903K2 bd · 2 ba · 1,176 ft² · Sold $850K · Oct 2021
- 97 Prospect St # 1$918K2 bd · 2 ba · 1,028 ft² · Sold $900K · Jun 2021
- 85 Prospect St # 1$810K2 bd · 1 ba · 913 ft² · Sold $630K · Jan 2021
- 70 Prospect St # 503$967K2 bd · 2 ba · 1,056 ft² · Sold $870K · Jul 2020
Closest homes
- 117 Prospect St72 ft · 0.16 ac
- 9 Houghton St76 ft · 7 bd · 7 ba · 3,164 ft² · Sold $388K · Apr 2000
- 383 Prospect St # 385101 ft · 5 bd · 4 ba · 2,500 ft² · Sold $270K · Jun 1999
- 4 Houghton St$962K100 ft · 4 bd · 2 ba · 1,456 ft² · Sold Jan 1900
- 113 Prospect St116 ft · 5 bd · 4 ba · 2,887 ft² · Sold $565K · Aug 2006
- 381 Prospect St$1.3M126 ft · 2 bd · 2.5 ba · 1,481 ft² · Sold $446K · Nov 2012
- 2 Houghton St$1.4M125 ft · 4 bd · 1.5 ba · 1,538 ft² · Sold $45K · Jul 1981
- 6 Houghton St114 ft · 5 bd · 2 ba · 1,664 ft² · Sold Jan 1900
More homes in Somerville 02143
- 61 Preston Rd$1.6M5 bd · 2.5 ba · 2,857 ft² · Sold $1.5M · Oct 2026
- 9 Sycamore St4 bd · 2.5 ba · 1,958 ft² · Sold $969K · Oct 2026
- 176 Summer St5 bd · 3 ba · 3,286 ft² · Sold $1.8M · Oct 2026
- 61 Central St8 bd · 3 ba · 3,266 ft² · Sold $1.6M · Oct 2026
- 17 Hammond St$1.7M3 bd · 2.5 ba · 2,403 ft² · Sold $1.6M · Oct 2026
- 70 Park St$525K2 bd · 1 ba · 583 ft² · Sold $530K · Sep 2026
- 23 Summit Ave6 bd · 3.5 ba · 3,691 ft² · Sold $1.3M · Sep 2026
- 11 Preston Rd$749K2 bd · 2 ba · 914 ft² · Sold $739K · Sep 2026
- 229 Summer St$1.4M3 bd · 2 ba · 1,794 ft² · Sold $1.4M · Sep 2026
- 33 Beacon St6 bd · 2 ba · 3,212 ft² · Sold $1.1M · Sep 2026
- 6 Bedford St$394K1 bd · 1 ba · 426 ft² · Sold $394K · Sep 2026
- 38 Berkeley St9 bd · 6 ba · 5,051 ft² · Sold $2.4M · Sep 2026
Assigned schools
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