20 Flagg St Cambridge, MA 02138
Riverside NeighborhoodEstimated payment $14,584/month
Highlights
- Deck
- Wood Flooring
- 1 Fireplace
- Property is near public transit
- Victorian Architecture
- 2-minute walk to Corporal Burns Park
About This Home
Charming, colorful 1874 Victorian just a short walk to Harvard Sq. Preserved details include original wd fls, period mouldings, +hi ceilings blended w/contemporary features such as AC+ EV charging capability. LR has bay windows, crown moulding, built-ins. DR has wall of sliding glass doors to patio+fenced yard. EIK has black soapstone+white marble counters; built-in Canadian birch plywood banquette+cabinetry; tile backsplash; ss induction range, refrigerator, vent hood, + dw. Second fl has lg front bdrm, once occupied by W.E.B. DuBois while at Harvard; full tiled bath off hall; primary bdrm w/custom closets; hall linen+storage closets; laundry; + sunken office w/yd view. Top fl has small bdrm, flex room, + full bath w/spa tub+skylight. Pollinator garden + meandering grape arbor make the yard feel private + bucolic. Unfinished basement has systems + storage/workshop space. Just 1 block from the Charles River + 2 blocks from Harvard Sq., this is an ideal location with great walkability.
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $17,212
Year Built
- Built in 1874
Lot Details
- 3,600 Sq Ft Lot
- Fenced Yard
- Garden
- Property is zoned C-1
Home Design
- Victorian Architecture
- Brick Foundation
- Stone Foundation
- Shingle Roof
Interior Spaces
- 2,130 Sq Ft Home
- Crown Molding
- 1 Fireplace
- Home Office
Kitchen
- Range with Range Hood
- Dishwasher
Flooring
- Wood
- Tile
Bedrooms and Bathrooms
- 3 Bedrooms
- Primary bedroom located on second floor
Laundry
- Laundry on upper level
- Dryer
- Washer
Unfinished Basement
- Basement Fills Entire Space Under The House
- Interior Basement Entry
Parking
- 1 Car Parking Space
- Driveway
- Open Parking
- Off-Street Parking
Outdoor Features
- Bulkhead
- Deck
- Patio
- Porch
Location
- Property is near public transit
- Property is near schools
Utilities
- Forced Air Heating and Cooling System
- Heating System Uses Natural Gas
Listing and Financial Details
- Assessor Parcel Number M:00130 L:00087,408347
Community Details
Overview
- No Home Owners Association
- Electric Vehicle Charging Station
Amenities
- Shops
Recreation
- Park
- Jogging Path
- Bike Trail
Map
Home Values in the Area
Average Home Value in this Area
Tax History
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $17,212 | $2,710,500 | $1,257,200 | $1,453,300 |
| 2024 | $15,989 | $2,700,800 | $1,309,300 | $1,391,500 |
| 2023 | $14,959 | $2,552,700 | $1,333,600 | $1,219,100 |
| 2022 | $14,236 | $2,404,700 | $1,325,400 | $1,079,300 |
| 2021 | $13,478 | $2,304,000 | $1,300,400 | $1,003,600 |
| 2020 | $12,655 | $2,200,800 | $1,249,500 | $951,300 |
| 2019 | $11,535 | $1,942,000 | $1,063,100 | $878,900 |
| 2018 | $11,312 | $1,798,400 | $959,600 | $838,800 |
| 2017 | $11,030 | $1,699,600 | $914,700 | $784,900 |
| 2016 | $10,343 | $1,479,700 | $762,800 | $716,900 |
| 2015 | $10,140 | $1,296,700 | $655,800 | $640,900 |
| 2014 | $10,360 | $1,236,300 | $604,000 | $632,300 |
Property History
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 10/09/2025 10/09/25 | Pending | -- | -- | -- |
| 10/01/2025 10/01/25 | For Sale | $2,495,000 | -- | $1,171 / Sq Ft |
Purchase History
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Deed | $1,258,150 | -- | |
| Deed | -- | -- | |
| Deed | $1,218,600 | -- | |
| Deed | $490,000 | -- | |
| Deed | $405,000 | -- | |
| Deed | $245,700 | -- |
Mortgage History
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $1,000,000 | Purchase Money Mortgage | |
| Previous Owner | $974,880 | Purchase Money Mortgage | |
| Previous Owner | $340,000 | No Value Available | |
| Previous Owner | $324,000 | Purchase Money Mortgage | |
| Previous Owner | $191,250 | No Value Available | |
| Previous Owner | $195,000 | Purchase Money Mortgage |
Source: MLS Property Information Network (MLS PIN)
MLS Number: 73438031
APN: CAMB-000130-000000-000087
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.
- 515 Franklin St Unit 4
- 2 Hingham St
- 53 Jay St Unit 2
- 1105 Massachusetts Ave Unit 1C
- 1105 Massachusetts Ave Unit 10A
- 950 Massachusetts Ave Unit 418
- 950 Massachusetts Ave Unit 512
- 950 Massachusetts Ave Unit 504
- 950 Massachusetts Ave Unit 106
- 950 Massachusetts Ave Unit 417
- 15 Trowbridge St Unit 12A
- 250-252 Western Ave Unit 3
- 930 Massachusetts Ave
- 512 Green St Unit 1D
- 931 Massachusetts Ave Unit 1003
- 11 Dana St Unit D
- 10 Dana St Unit 202
- 338 Harvard St Unit 10
- 5 Centre St Unit 32
- 39 Ellery St Unit 6