434 Walnut St
Brookline, MA 02445
- 8Beds
- 5Baths
- 5,362ft²Living Area
- 0.4acLot Size
- -Pool
- 2Car
- 1900Year Built
- -DOM
- 18Permits
Property Valuations
Latest estimates for 434 Walnut St based on TopHap automated valuation model (AVM).
TopHap Estimate
$5,236,663
$976/ft²
+$3M above Sold Price
Updated 5 months ago
Last Sold Price
$2,300,000
$429/ft²
13 years ago
434 Walnut St is valued at $5,236,663 by TopHap AVM 5 months ago.
434 Walnut St was last sold in 2012 for $2,300,000.
Permits
434 Walnut St has 18 permit records.
Current Ownership
Information about the current owner(s).
Taxes Billed
Taxes billed in 2025$42,327.00From latest Total Assessed Value0.99%Total Assessed Value$4,288,500=Land+
Assessed Value$1,526,900Additions
Assessed Value$2,761,600
In 2025, taxes billed for 434 Walnut St were $42,327, which is 0.99% from latest Total Assessed Value of $4,288,500.
Property History
434 Walnut St has undefined property events records (listings, deeds, permits, tax, foreclosure, loan).
Environment
Environmental factors around 434 Walnut St
Hazard Risks
Wind130Hurricane127Ozone110Lead108Air Pollution108Weather101Nat'l Avg100Carb Mono96Particulates93Hail91Earthquake70Tornado56
12 hazards (Carbon Monoxide, Earthquake Risk, Hail Index, Tornado Index, Hurricane Index, Air Pollution Index, Ozone Index, Wind Index, Weather Risk, Lead Index, Particulate Matter, National Average) are above the national average around 434 Walnut St.
Walkability Index
12 /20
Most Walkable
20-18
Very Walkable
17-15
Somewhat Walkable
14-10
Car Dependent
9-0
434 Walnut St has a walkability score of 12 out of 20, which means that it is in a somewhat walkable area.
Temperature
Seasonal temperature sampled over multiple years
Winter
Average
Low
21°F
High
37°F
Summer
Average
Low
60°F
High
80°F
In the winter at 434 Walnut St, temperatures range from 20.68°F to 37.3°F with an average of 28.99°F. In the summer, the temperature ranges from 59.59°F to 79.51°F with and average of 69.55°F.
School Information
Public/private schools serving 434 Walnut St
Public Schools
Nearby public schools serving 434 Walnut St have ratings undefined, undefined, and undefined.
Neighborhood
This property is located in South Brookline, Brookline, MA 02445.
Seasonal Housing units 02445
16%of housing is for seasonal rent.
Daytime Population for 02445
+8%of people during work hours.
Crime Index for 02445
99
The crime index in 02445 is 99, which is 1.0 times lower than national average.
Market Trends
Historical market data near 434 Walnut St over selected time period.
Nearby Properties on Walnut St
- 330 Walnut St # 344, Brookline, MA 02445 (South Brookline) is a 1.43 acre property.
- 235-237 Walnut St, Brookline, MA 02445 (Brookline Village) is a 6,254 square foot, 10.5 bathroom, 0.41 acre property.
- 170 Walnut St, Brookline, MA 02445 (Brookline Village) is a 0.51 acre property.
- 315 Walnut St, Brookline, MA 02445 (Brookline Village) is a 2,282 square foot, 3 bedroom, 3 bathroom, 0.14 acre property. It was built in 1983 and has an estimate of $2,076,610 with a price per ft² of $910.
- 323 Walnut St, Brookline, MA 02445 (Brookline Village) is a 1,920 square foot, 4 bedroom, 4.25 bathroom, 0.14 acre property. It was built in 1987 and has an estimate of $1,856,095 with a price per ft² of $967.
- 235 Walnut St, Brookline, MA 02445 (Brookline Village) is a 3,429 square foot, 4 bedroom, 5.25 bathroom, 0.41 acre property. It was built in 2015 and has an estimate of $2,372,755 with a price per ft² of $692.
- 237 Walnut St, Brookline, MA 02445 (Brookline Village) is a 3,334 square foot, 4 bedroom, 5.25 bathroom, 0.41 acre property. It was built in 2015 and has an estimate of $2,311,450 with a price per ft² of $693.
- 299 Walnut St # 1, Brookline, MA 02445 (Brookline Village) is a 3,055 square foot, 4 bedroom, 5.25 bathroom, 0.16 acre property. It was built in 2015 and has an estimate of $2,028,413 with a price per ft² of $664.
- 299 Walnut St # 2, Brookline, MA 02445 (Brookline Village) is a 2,944 square foot, 4 bedroom, 5.25 bathroom, 0.16 acre property. It was built in 2015 and has an estimate of $2,190,000 with a price per ft² of $744.
- 175 Walnut St, Brookline, MA 02445 (Brookline Village) is a 2,420 square foot, 6 bedroom, 2.25 bathroom, 0.22 acre property. It was built in 1840 and has an estimate of $1,000,517 with a price per ft² of $413.
- 187 Walnut St, Brookline, MA 02445 (Brookline Village) is a 3,631 square foot, 6 bedroom, 6.25 bathroom, 0.37 acre property. It was built in 1865 and has an estimate of $2,800,000 with a price per ft² of $771.
- 189 Walnut St, Brookline, MA 02445 (Brookline Village) is a 3,631 square foot, 6 bedroom, 6.25 bathroom, 0.38 acre property. It was built in 1865 and has an estimate of $2,801,690 with a price per ft² of $772.
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