Norfolk County and Brookline Town property record for 439 Walnut St, #451, Brookline, MA 02445
| Property Type | Residential Vacant Land |
|---|---|
| Lot Size | 0.48 acres (20,926 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,049,000 (Jul 1994) |
| Tax Bill | $17,401 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 12218023 |
| Primary APN | 12218023 |
|---|---|
| Alternative APN |
|
| Lot Area | 20,926 sqft (0.48 acres) |
|---|
| Account Number | 12218023 |
|---|---|
| Street Address | 439 WALNUT ST, 451 |
| City | BROOKLINE |
| State | MA |
| Zip | 02445-5917 |
| Property Category | Residential |
| Property Type | Vacant Land > Residential |
| Local Zoning Code | S15 |
| Legal Block | 324 |
| Legal Lot Number | 8 |
| Jurisdiction | BROOKLINE MA |
| Township / Civil Division | BROOKLINE |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 401100 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Brookline Town Green Historic District listed 1980 · 64 contributing resources · NRIS 80000650 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
439 Walnut St, #451 is owned by a company that bought it in July 1994.
Source: Norfolk County and Brookline Town records, as of October 20, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 830 WINTER ST, 1, WALTHAM, MA 02451-1477 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 29, 1994 · Amount on File |
| Deed Sale | Jul 29, 1994 · Amount on File |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 439 Walnut St, #451 was $17,401, up 4.8% from the year before.
Source: Norfolk County and Brookline Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Norfolk County |
| County Subdivision | Brookline Town |
| Unified School District | Brookline School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $17,401.00 (+4.79%) | $1,699,300 (+1%) Land $1,699,300 |
| 2025 | $16,605.00 (+5.06%) | $1,682,400 (+4%) Land $1,682,400 |
| 2024 | $15,805.00 (+17.57%) | $1,617,700 (+19.98%) Land $1,617,700 |
| 2023 | $13,443.00 | $1,348,300 Land $1,348,300 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 439 Walnut St, #451 in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective May 26, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 2 (2014) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Dec 2014 · rainfall accumulation |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 439 Walnut St, #451 is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 98.7% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | BROOKLINE WATER AND SEWER DIVISION serves 63,191 people · EPA ID MA3046000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Apr 2026 |
| Lead | 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 160 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Starry, Verizon.
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