Middlesex County and Waltham City property record for 20 Mayall Rd, Waltham, MA 02453
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1 ba · 1,260 sqft · built 1930 |
| Lot Size | 0.115 acres (5,001 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $905,000 (Jul 2025) |
| Tax Bill | $7,165 (2026) |
| Deeds & Mortgages | Jul 2025 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 81985 |
| Primary APN | 81985 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1 Bath |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,260 sqft Living Area |
| Gross Area | 3,556 sqft |
| 1st Floor Area | 1,698 sqft |
| Basement Area | 1,148 sqft |
| Unfinished Basement | 1,148 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Architectural Style | Bungalow |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 5,001 sqft (0.115 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Steam |
| Heating Fuel | Oil |
| Account Number | 81985 |
|---|---|
| Street Address | 20 MAYALL RD |
| City | WALTHAM |
| State | MA |
| Zip | 02453-8213 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Block | 9 |
| Legal Lot Number | 1 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 369100 |
20 Mayall Rd is owned and occupied by two individuals who bought it in July 2025.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 20 MAYALL RD, WALTHAM, MA 02453-8213 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 23, 2025 · Amount on File |
| Deed Sale | Jul 23, 2025 · Amount on File |
| Record Updated | Oct 29, 2026 |
| Document Type | Fiduciary Deed |
|---|---|
| Jurisdiction | WALTHAM MA |
| Recording Date | Jul 23, 2025 |
| Property Address | 20 MAYALL RD, WALTHAM, MA 02453-8213 |
| Document Number | 0001981659 |
| Instrument Date | Jul 23, 2025 |
| Instrument | 1981659 |
| Transaction Type | Transfer |
| Record Updated | Nov 25, 2025 |
| 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 | 20 MAYALL RD, WALTHAM, MA 02453-8213 |
| Document Number | 0001981660 |
|---|---|
| Date | Jul 23, 2025 |
| Instrument | 1981660 |
| Name | WATERTOWN SAVINGS BANK |
|---|---|
| Type | Bank |
| Amount | Amount on Record |
|---|---|
| Term | 361 Months |
| Due | Aug 1, 2055 |
The 2026 property tax bill for 20 Mayall Rd was $7,165, up 9.8% from the year before.
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 | $7,165.00 (+9.84%) | $694,300 (+4.52%) Land $455,700 Building $238,600 | $800,341 (-6.15%) |
| 2025 | $6,523.00 (+5.64%) | $664,300 (+3.7%) Land $434,000 Building $230,300 | $852,815 (+13.88%) |
| 2024 | $6,175.00 | $640,600 Land $413,000 Building $227,600 | $748,885 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20 Mayall Rd in Zone X, an area of minimal flood risk.
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 |
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 20 Mayall Rd 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 | 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 348 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 | 1,500 / 50 |
May also be available: T-Mobile.
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