Middlesex County and Waltham City property record for 12 Oak St, Waltham, MA 02453
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2.5 ba · 2,872 sqft · built 1880 |
| Lot Size | 0.094 acres (4,099 sqft) |
| Owner | Company Name on Record |
| Last Sale | $495,000 (Nov 2003) |
| Tax Bill | $8,392 (2026) |
| Deeds & Mortgages | Aug 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 138327 |
| Primary APN | 138327 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,872 sqft Living Area |
| Gross Area | 4,424 sqft |
| Basement Area | 1,400 sqft |
| Unfinished Basement | 1,400 sqft |
| Year Built | Built 1880 |
|---|---|
| Effective Year Built | Effective 1880 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 4,099 sqft (0.094 acres) |
| Heating System | Steam |
|---|---|
| Heating Fuel | Oil |
| Account Number | 138327 |
|---|---|
| Street Address | 12 OAK ST |
| City | WALTHAM |
| State | MA |
| Zip | 02453-8610 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | 1 |
| Legal Block | 15 |
| Legal Lot Number | 23 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 368700 |
Source: Middlesex County and Waltham City records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 240 NEWTON ST, WALTHAM, MA 02453-8621 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 6, 2003 · Amount on Record |
| Deed Sale | Nov 6, 2003 · Amount on Record |
| Prior Sale | Dec 7, 1994 · Amount on Record |
| Last Transfer Date | Jul 15, 2022 |
| Transfer Doc | 080588-420 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WALTHAM MA |
| Recording Date | Aug 16, 2022 |
| Property Address | 12 OAK ST, WALTHAM, MA 02453-8610 |
| Document Number | 080588-418 |
| Book / Page | 80588 / 418 |
| Instrument Date | Jul 15, 2022 |
| Instrument | 125866 |
| Transaction Type | Transfer |
| Record Updated | Jul 24, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 240 NEWTON ST, WALTHAM, MA 02453-8621 |
| Document Number | 0000125867 |
|---|---|
| Date | Aug 16, 2022 |
| Instrument | 125867 |
| Name | WATERTOWN SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: Middlesex County and Waltham City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Waltham City |
| Unified School District | Waltham School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $8,392.00 (+13.53%) | $813,200 (+8.04%) Land $246,500 Building $566,700 | $907,442 |
| 2025 | $7,392.00 (+9.76%) | $752,700 (+7.73%) Land $223,900 Building $528,800 | |
| 2024 | $6,735.00 (-1.28%) | $698,700 (+5.7%) Land $223,900 Building $474,800 | |
| 2023 | $6,822.00 | $661,000 Land $203,900 Building $457,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | 1 in force |
| Nearby Flood Claims | 3 (1979–2010) |
| Claims Outside the SFHA | 1 of 3 |
| Most Recent Claim | Mar 2010 · Severe Storms And Flooding |
| Claims by Event |
|
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.
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 | WALTHAM WATER DEPARTMENT serves 65,218 people · EPA ID MA3308000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Jun 2024 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 591 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 · Fiber in parts of the area | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
May also be available: AT&T, T-Mobile.
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