Middlesex County and Arlington Town property record for 45 Walnut St, Arlington, MA 02476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 2,151 sqft · built 1925 |
| Lot Size | 0.111 acres (4,822 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,105,000 (Feb 2024) |
| Tax Bill | $10,594 (2026) |
| Deeds & Mortgages | May 2025 Mortgage Feb 2024 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 83484 |
| Primary APN | 83484 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,151 sqft Living Area |
| Gross Area | 3,294 sqft |
| Basement Area | 771 sqft |
| Unfinished Basement | 116 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1959 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 4,822 sqft (0.111 acres) |
| Garage Type | Detached |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 83484 |
|---|---|
| Street Address | 45 WALNUT ST |
| City | ARLINGTON |
| State | MA |
| Zip | 02476-6138 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Block | 5 |
| Legal Lot Number | 8 |
| Jurisdiction | ARLINGTON MA |
| Township / Civil Division | ARLINGTON |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 356601 |
45 Walnut St is owned and occupied by two individuals who bought it in February 2024.
Source: Middlesex County and Arlington Town records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 45 WALNUT ST, ARLINGTON, MA 02476-6138 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants with Right of Survivorship |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| May 21, 2025 | Deed of Trust, Mortgage US BANK NA |
| Feb 23, 2024 | Quit Claim Deed, Transfer · Stand-Alone First Mortgage MERRIMACK VALLEY FCU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 23, 2024 · Amount on File |
| Deed Sale | Feb 23, 2024 · Amount on File |
| Prior Sale | Dec 30, 1997 · Amount on File |
| Deed Document Number | 20241952445 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ARLINGTON MA |
| Property Address | 45 WALNUT ST, ARLINGTON, MA 02476-6138 |
| Transaction Type | Mortgage |
| Record Updated | Nov 25, 2025 |
| Name | Verified Name |
|---|
| Document Number | 0001977321 |
|---|---|
| Date | May 21, 2025 |
| Instrument | 1977321 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Amount | Amount on Record |
|---|---|
| Term | 361 Months |
| Due | Jun 1, 2055 |
| Type Change Date | Jun 1, 2032 |
|---|
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ARLINGTON MA |
| Recording Date | Feb 23, 2024 |
| Property Address | 45 WALNUT ST, ARLINGTON, MA 02476-6138 |
| Document Number | 0001952445 |
| Instrument Date | Feb 23, 2024 |
| Instrument | 1952445 |
| Transaction Type | Transfer |
| Record Updated | Mar 8, 2024 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 45 WALNUT ST, ARLINGTON, MA 02476-6138 |
| Document Number | 0001952448 |
|---|---|
| Date | Feb 23, 2024 |
| Instrument | 1952448 |
| Name | MERRIMACK VALLEY FCU |
|---|---|
| Type | Credit Union |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 6.25% |
| Type Change Date | Mar 1, 2029 |
| Max Rate At Change | 2.75% |
| Index | 1-Year CMT |
The 2026 property tax bill for 45 Walnut St was $10,594, up 3.3% from the year before.
Source: Middlesex County and Arlington Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Arlington Town |
| Unified School District | Arlington School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $10,594.00 (+3.28%) | $992,900 (+4.24%) Land $587,200 Building $401,300 | $1,133,933 (+7.6%) |
| 2025 | $10,258.00 (+7.05%) | $952,500 (+5.27%) Land $564,600 Building $387,900 | $1,053,835 (+2.28%) |
| 2024 | $9,582.00 (+6.1%) | $904,800 (+12.31%) Land $542,000 Building $362,800 | $1,030,370 |
| 2023 | $9,031.00 | $805,600 Land $474,300 Building $331,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 45 Walnut St in Zone X, an area of minimal flood risk, though there have been 13 flood claims nearby since 1982.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 13 (1982–2017) |
| Claims Outside the SFHA | 3 of 13 |
| Most Recent Claim | Jul 2017 · 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.
The area around 45 Walnut St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | ARLINGTON WATER DEPT. (MWRA) serves 46,308 people · EPA ID MA3010000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Aug 2023 |
| Lead | 3 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 898 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Starry.
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