$4,016,200
- 7 Beds
- 2.5 Baths
- 4,466 sqft (on 0.29 acres)
423 Walnut St, Brookline, MA 02445
Est. Refi. Payment $24,951/mo*
Refinance Your HomeCurrently Off Market - Sold May 9, 2025 for $3,860,000
Home Value
Trulia Estimate
$4.02MSince last month
Increased$16K (+0.4%)Since last year
Increased$127K (+3.3%)Since last sale
Increased$155K (+4%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +66% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $4.01M |
| August 2026 | $4M |
| July 2026 | $3.96M |
| June 2026 | $3.95M |
| May 2026 | $3.94M |
| April 2026 | $3.95M |
| March 2026 | $3.89M |
| February 2026 | $3.91M |
| January 2026 | $3.85M |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.10 | Single-Family Home | $3,625,000 | 12/04/25 | 7 | 4 | 6,307 | |
0.29 | Single-Family Home | $2,325,000 | 07/24/26 | 7 | 4 | 4,544 | |
0.30 | Single-Family Home | $3,400,000 | 03/06/26 | 4 | 4.5 | 4,182 | |
0.24 | Single-Family Home | $2,000,000 | 08/14/26 | 8 | 5 | 5,076 | |
0.12 | Single-Family Home | $5,250,000 | 03/02/26 | 7 | 5.5 | 6,193 | |
0.47 | Single-Family Home | $3,330,000 | 11/25/25 | 5 | 4.5 | 5,507 | |
0.38 | Single-Family Home | $2,850,000 | 04/08/26 | 4 | 2.5 | 3,377 | |
0.69 | Single-Family Home | $4,100,000 | 04/27/26 | 6 | 4.5 | 5,058 | |
0.61 | Single-Family Home | $4,125,000 | 05/28/26 | 5 | 4.5 | 4,001 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.06 | - | 6 | 7.5 | 9,758 | Off Market | |
0.07 | $5,421,300 | 6 | 6.5 | 5,355 | Off Market | |
0.09 | $4,495,000 | 5 | 4.5 | 6,848 | For Sale | |
0.10 | $3,625,000 | 7 | 4 | 6,307 | Recently Sold | |
0.12 | $3,758,700 | 5 | 4.5 | 4,961 | Off Market | |
0.12 | $5,250,000 | 7 | 5.5 | 6,193 | Recently Sold | |
0.13 | $3,329,200 | 5 | 4.5 | 4,288 | Off Market | |
0.15 | $1,375,000 | 3 | 2 | 2,276 | Recently Sold | |
0.15 | $735,600 | 2 | 1 | 1,092 | Off Market | |
0.15 | $605,200 | 1 | 1 | 890 | Off Market | |
0.16 | $1,937,200 | 4 | 2.5 | 2,931 | Off Market |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 1909
0.29 acre lot
4,466 sqft
$899/sqft
Garage
About this House
Prominently sited, this six-plus bedroom Colonial Revival has been stunningly updated with flair and panache while maintaining much of its 1896 design. Rich in detail with modern simplicity, this home has it all! Designed for gracious living, the grand entry foyer leads to a sun-filled main level with spacious formal rooms, including a fire-placed dining room with built-in seating, a living room with a gas fireplace and French doors to a covered terrace, and a family room with palladian windows and French doors to the outdoors. The original butler’s pantry connects to the kitchen with premium appliances, a dining area, and French doors to the deck and private yard. A mudroom, home office, and half bath complete this floor. The second floor offers six-plus bedrooms, two bathrooms, and laundry. With oversized windows, gleaming wood floors, high ceilings, central AC, and updated systems, this home is ideally located near the Brookline Reservoir, schools, and the medical area.
423 Walnut St, Brookline, MA 02445 is a 7 bedroom, 3 bathroom, 4,466 sqft single-family home built in 1909. It last sold for $3,860,000 on May 9, 2025 (10% above the $3,495,000 asking price). This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $4,016,200.
Last check for updates: about 11 hours ago
Listed by Jayne Friedberg, (617) 899-2111
Coldwell Banker Realty - Brookline, (617) 731-2447
Bought with: Hilary Maddox Team, (617) 921-2097, Compass, (617) 752-6845
Source: MLS PIN, MLS#73347917
Home Details for 423 Walnut St
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Interior Details Basement: Full,UnfinishedNumber of Rooms: 12Types of Rooms: Master Bedroom, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5, Master Bathroom, Bathroom 1, Bathroom 2, Bathroom 3, Dining Room, Family Room, Kitchen, Living Room |
Beds & Baths Number of Bedrooms: 7Number of Bathrooms: 3Number of Bathrooms (full): 2Number of Bathrooms (half): 1 |
Dimensions and Layout Living Area: 4466 Square Feet |
Appliances & Utilities Utilities: for Electric Range, for Electric OvenAppliances: Gas Water Heater, Oven, Dishwasher, Disposal, Microwave, Range, Refrigerator, Washer, DryerDishwasherDisposalDryerLaundry: Second FloorMicrowaveRefrigeratorWasher |
Heating & Cooling Heating: Forced Air,Natural GasNo CoolingAir Conditioning: Central Air,NoneHas HeatingHeating Fuel: Forced Air |
Fireplace & Spa Number of Fireplaces: 4Fireplace: Dining Room, Family Room, Living Room, BedroomHas a FireplaceNo Spa |
Gas & Electric Electric: Circuit Breakers, 200+ Amp Service |
Windows, Doors, Floors & Walls Window: Storm Window(s)Door: Insulated DoorsFlooring: Wood, Tile, Hardwood, Flooring - Wood |
Levels, Entrance, & Accessibility Floors: Wood, Tile, Hardwood, Flooring Wood |
Security Security: Security System |
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Exterior Home Features Roof: ShinglePatio / Porch: Deck, CoveredFencing: Fenced/Enclosed, FencedExterior: Deck, Covered Patio/Deck, Rain Gutters, Professional Landscaping, Sprinkler System, Decorative Lighting, Fenced Yard, Stone WallFoundation: StoneSprinkler System |
Parking & Garage Number of Garage Spaces: 1Number of Covered Spaces: 1Open Parking Spaces: 3No CarportHas a GarageNo Attached GarageHas Open ParkingParking Spaces: 4Parking: Detached,Paved Drive,Off Street |
Frontage Road Frontage: PublicNot on Waterfront |
Water & Sewer Sewer: Public Sewer |
Finished Area Finished Area (above surface): 4466 |
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Year Built Year Built: 1909 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family ResidenceArchitecture: Colonial |
Building Construction Materials: FrameNot Attached PropertyDoes Not Include Home Warranty |
Property Information Parcel Number: B:324 L:0006 S:0000, 41161 |
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Price List Price: $3,495,000 |
Status Change & Dates Off Market Date: Mon Mar 24 2025 |
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MLS Status: Sold |
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Direction & Address City: Brookline |
School Information Elementary School: Hayes/LincolnHigh School: Brookline High |
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Building Area Building Area: 4466 Square Feet |
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Community Features: Public Transportation, Shopping, Walk/Jog Trails, Medical Facility, Highway Access, House of Worship, Private School, Public School, T-StationNot Senior Community |
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No HOA |
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Lot Area: 0.29 acres |
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Contingencies: Pending P&S |
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Energy Efficiency Features: Thermostat |
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BasementMls Number: 73347917Above Grade Unfinished Area: 4466 |
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Public TransportationShoppingWalk/Jog TrailsMedical FacilityHighway AccessHouse of WorshipPrivate SchoolPublic SchoolT-Station |
Price and Tax history
| Date | Event | Price |
|---|---|---|
May 9, 2025 Source: MLS PIN #73347917 | Sold | $3,860,000 |
Mar 24, 2025 Source: MLS PIN #73347917 | Contingent | $3,495,000 |
Mar 20, 2025 Source: MLS PIN #73347917 | Listed For Sale | $3,495,000 |
Sep 8, 2020 Source: Agent Provided | ListingRemoved | $2,375,000 |
Sep 2, 2020 Source: Agent Provided | Pending | $2,375,000 |
Sep 2, 2020 Source: Agent Provided | Listed For Sale | $2,375,000 |
Apr 12, 2019 Source: N/A | Sold | $2,375,000 |
Mar 15, 2019 Source: Agent Provided | Pending | $2,375,000 |
Mar 13, 2019 Source: Agent Provided | Listed For Sale | $2,375,000 |
May 24, 1989 Source: N/A | Sold | $650,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $30,831 | $3,123,700 |
Home facts updated by county records
Market trends in Brookline
Last updated August 2026
Avg. sale price
$1.24M
$23.33KMoM
Sale-to-List Price
99.3%
0.4%MoM
Price per sq ft
$811
$6MoM
Available listings
186
30MoM
Around this home
What Locals Say about Brookline
At least 422 Trulia users voted on each feature.
94 % Say there are sidewalks
90 % Say it's dog friendly
87 % Say it's walkable to restaurants
87 % Say it's walkable to grocery stores
84 % Say people would walk alone at night
81 % Say streets are well-lit
67 % Say kids play outside
60 % Say there's holiday spirit
59 % Say there's wildlife
52 % Say parking is easy
51 % Say they plan to stay for at least 5 years
51 % Say it's quiet
48 % Say neighbors are friendly
40 % Say car is needed
39 % Say yards are well-kept
33 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
The property listing data and information 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 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 set forth herein.
The MLS listing information displayed is deemed reliable, but is not guaranteed accurate by the MLS.
The MLS listing information displayed is deemed reliable, but is not guaranteed accurate by the MLS.
Frequently asked questions about 423 Walnut St
- What is 423 Walnut St estimated to be worth?Trulia's estimated value for 423 Walnut St in Brookline, MA is $4,016,200.
- What is the price history for 423 Walnut St?423 Walnut St in Brookline, MA last sold for $3,860,000 in May 2025.
- Is Brookline a buyer's or seller's market?Brookline is currently a balanced market, based on recent for-sale activity.
- What's the median sale price in Brookline?The median sale price in Brookline is $1.24M. That is up $23.33K from the prior month.
- Does 423 Walnut St have air conditioning?Yes, 423 Walnut St in Brookline, MA has air conditioning.
- Does 423 Walnut St have laundry facilities?Yes, 423 Walnut St in Brookline, MA has in-unit laundry.

