Middlesex County and Malden City property record for 12 Mason St, Malden, MA 02148
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 3 ba · 1,994 sqft · built 1900 |
| Lot Size | 0.092 acres (3,999 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $32,500 (Apr 1987) |
| Tax Bill | $8,050 (2026) |
| Deeds & Mortgages | May 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | MALD M:032 B:200 L:004 |
| Primary APN | MALD M:032 B:200 L:004 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,994 sqft Living Area |
| Gross Area | 3,839 sqft |
| Basement Area | 886 sqft |
| Unfinished Basement | 886 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Duplex Single |
| Exterior Material | Other |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 3,999 sqft (0.092 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Street Address | 12 MASON ST |
|---|---|
| City | MALDEN |
| State | MA |
| Zip | 02148-6409 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | RESA |
| Legal Block | 200 |
| Legal Lot Number | 4 |
| Jurisdiction | MALDEN MA |
| Township / Civil Division | MALDEN |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 341200 |
Source: Middlesex County and Malden 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 12 MASON ST, MALDEN, MA 02148-6409 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 10, 1987 · Amount on Record |
| Deed Sale | Apr 10, 1987 · Amount on Record |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MALDEN MA |
| Property Address | 12 MASON ST, MALDEN, MA 02148-6409 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 69310-245 |
|---|---|
| Date | May 22, 2017 |
| Book Page | 69310/245 |
| Instrument | 75044 |
| Name | HOME POINT FINL CORP |
|---|
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.4% |
| Margin | 13 |
Source: Middlesex County and Malden City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Malden City |
| Unified School District | Malden School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $8,050.00 (+10,927.4%) | $706,100 (+9.02%) Land $316,000 Building $390,100 | $752,446 |
| 2025 | $73.00 (-98.98%) | $647,700 (+6.25%) Land $284,400 Building $363,300 | |
| 2024 | $7,126.00 (+3.56%) | $609,600 (+7.99%) Land $268,600 Building $341,000 | |
| 2023 | $6,881.00 | $564,500 Land $244,900 Building $319,600 |
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 | 3 in force |
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 | MALDEN WATER DIVISION (MWRA) serves 66,263 people · EPA ID MA3165000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Apr 2024 |
| Lead | 10 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | No certified operator Mar 2016 |
| Monitoring and Reporting | 3 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 726 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 |
| Netafy Fixed Wireless | 564 / 125 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Starry.
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