Seller's Agent in 2025
Thalia Tringo
Thalia Tringo & Associates Real Estate, Inc.
(617) 513-1967
4 in this area
94 Total Sales
20 Flagg St Cambridge, MA 02138
Riverside NeighborhoodEstimated Value: $2,430,000 - $2,603,497
3
Beds
2.5
Baths
2,130
Sq Ft
$1,188/Sq Ft
Est. Value
Highlights
- Deck
- Wood Flooring
- 1 Fireplace
- Property is near public transit and schools
- Victorian Architecture
- 2-minute walk to Corporal Burns Park
About This Home
As of November 2025Charming, 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.
Last Agent to Sell the Property
Thalia Tringo & Associates Real Estate, Inc. Listed on: 10/01/2025
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
- 1 Open Parking Space
- Off-Street Parking
Outdoor Features
- Bulkhead
- Deck
- Patio
- Porch
Location
- Property is near public transit and 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
Ownership History
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Oct 1, 2025
Closed on
Nov 19, 2025
Sold by
Lempel Brian D and Limbach Diana
Bought by
Koulbanis Begum and Koulbanis Nicholas
Seller's Agent
Thalia Tringo
Thalia Tringo & Associates Real Estate, Inc.
Buyer's Agent
Lauren Holleran Team
Gibson Sotheby's International Realty
List Price
$2,495,000
Sold Price
$2,505,000
Premium/Discount to List
$10,000
0.4%
Views
29
Current Estimated Value
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$25,374
Avg. Annual Appreciation
2.17%
Original Mortgage
$2,004,000
Outstanding Balance
$1,998,321
Interest Rate
6.3%
Mortgage Type
New Conventional
Estimated Equity
$532,053
Purchase Details
Closed on
Apr 22, 2010
Sold by
Kelley Margot Anne
Bought by
Lempel Brian D and Limbach Diana
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,000,000
Interest Rate
5%
Mortgage Type
Purchase Money Mortgage
Purchase Details
Closed on
Nov 23, 2007
Sold by
Kelley Margot Anne and Kelley Robert T
Bought by
Kelley Margot Anne
Purchase Details
Closed on
Mar 2, 2006
Sold by
Chester Charles S and Chester Lael E
Bought by
Kelley Margot A and Kelley Robert T
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$974,880
Interest Rate
6.16%
Mortgage Type
Purchase Money Mortgage
Purchase Details
Closed on
Oct 30, 1995
Sold by
Bodman Taylor S and Bodman April W
Bought by
Chester Charles S and Chester Lael Eh
Purchase Details
Closed on
Oct 16, 1992
Sold by
Clark Jeffrey M
Bought by
Bodman Taylor S and Bodman April W
Purchase Details
Closed on
Jun 15, 1987
Sold by
Harvard College
Bought by
Clark Jeffrey M
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Home Values in the Area
Average Home Value in this Area
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Buyer | Sale Price | Title Company |
|---|---|---|---|
| Koulbanis Begum | $2,505,000 | -- | |
| Lempel Brian D | $1,258,150 | -- | |
| Lempel Brian D | $1,258,150 | -- | |
| Kelley Margot Anne | -- | -- | |
| Kelley Margot Anne | -- | -- | |
| Kelley Margot A | $1,218,600 | -- | |
| Kelley Margot A | $1,218,600 | -- | |
| Chester Charles S | $490,000 | -- | |
| Bodman Taylor S | $405,000 | -- | |
| Bodman Taylor S | $405,000 | -- | |
| Clark Jeffrey M | $245,700 | -- |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Borrower | Loan Amount |
|---|---|---|---|
| Open | Koulbanis Begum | $2,004,000 | |
| Previous Owner | Lempel Brian D | $1,000,000 | |
| Previous Owner | Kelley Margot A | $974,880 |
Source: Public Records
Property History
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 11/19/2025 11/19/25 | Sold | $2,505,000 | +0.4% | $1,176 / Sq Ft |
| 10/09/2025 10/09/25 | Pending | -- | -- | -- |
| 10/01/2025 10/01/25 | For Sale | $2,495,000 | -- | $1,171 / Sq Ft |
Source: MLS Property Information Network (MLS PIN)
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 |
Source: Public Records
Agents Affiliated with this Home
-
Thalia Tringo
-
Lauren Holleran Team
L
Buyer's Agent in 2025
Lauren Holleran Team
Gibson Sothebys International Realty
(617) 913-2203
10 in this area
331 Total Sales
Map
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.
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