100 Spring St Unit B is a 1,502 square foot condo with 3 bedrooms and 1 bathroom. - it last sold on November 21, 1986 for $105,000. Based on Redfin's Cambridge data, we estimate the home's value is $848,502.
CondoProperty Type
1840Year Built
$565Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$848,502
$744K since sold in November 1986$55K since August
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Estimate history
Homes for sale
This home's estimate is 7.4% lower than the average sale price ($917K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Property details
Interior
Bathroom Information
# of Full Baths: 1
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Fair
Property Information
Subdivision Name: 98-100 SPG STREET CONDO
Living Sq. Ft: 1,502
Gross Sq. Ft: 1,838
Ground Floor Sq. Ft: 1,166
# of Stories: 3
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,063
Municipality Name: CAMBRIDGE
Acres: 0.1162
Zoning Code: C1
State Use Description: CONDOMINIUM
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,502
Stories: 3.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1840
Year Renovated: —
County: Middlesex County
APN: 3072737S
Home facts updated by county records on Jul 29, 2026
Around this home
Schools
Kennedy-Longfellow School
Public PreK-5 • Assigned • 0.2mi
5/10
Vassal Lane Upper School
Public 6-8 • Assigned • 0.2mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
The Cambridge market is quite resilient. New zoning regulations now allow MF homes on traditional SF lots, as the City aims to boost housing supply & improve affordability. The high demand is consistently driven by the area's world-class healthcare,...
education, tech sectors, and high quality of life.