Middlesex County and Newton City property record for 23 Oak St, Newton Upper Falls, MA 02464
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2.5 ba · 1,505 sqft · built 1830 |
| Lot Size | 0.338 acres (14,730 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $10,167 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 51038 0023 |
| Primary APN | 51038 0023 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,505 sqft Living Area |
| Gross Area | 2,641 sqft |
| 1st Floor Area | 1,197 sqft |
| Basement Area | 616 sqft |
| Unfinished Basement | 616 sqft |
| Year Built | Built 1830 |
|---|---|
| Effective Year Built | Effective 1830 |
| Architectural Style | Cape Cod |
| Exterior Material | Wood Siding |
| Construction Type | Brick |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 14,730 sqft (0.338 acres) |
| Heating System | Steam |
|---|---|
| Heating Fuel | Oil |
| Account Number | 51038 0023 |
|---|---|
| Street Address | 23 OAK ST |
| City | NEWTON UPPER FALLS |
| State | MA |
| Zip | 02464-1407 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | MR1 |
| Legal Block | 38 |
| Legal Lot Number | 23 |
| Jurisdiction | NEWTON MA |
| Township / Civil Division | NEWTON |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 374100 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Newton Upper Falls Historic District listed 1986 · 133 contributing resources · NRIS 86001750 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
23 Oak St, a duplex, is owned and occupied by two individuals.
Source: Middlesex County and Newton City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 23 OAK ST, NEWTON UPPER FALLS, MA 02464-1407 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 23 Oak St was $10,167, up 3.8% from the year before.
Source: Middlesex County and Newton City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Newton City |
| Unified School District | Newton School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $10,167.00 (+3.83%) | $1,049,200 (+5%) Land $904,300 Building $144,900 | $934,464 |
| 2025 | $9,792.00 (+3.42%) | $999,200 (+3%) Land $861,200 Building $138,000 | |
| 2024 | $9,468.00 (+5.61%) | $970,100 (+10.16%) Land $836,100 Building $134,000 | |
| 2023 | $8,965.00 | $880,600 Land $684,800 Building $195,800 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 23 Oak St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2010.
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 Claims | 2 (2010–2021) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jul 2021 · other causes |
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 23 Oak St 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 | Direct burnable vegetation |
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 | NEWTON WATER DEPT. (MWRA) serves 88,931 people · EPA ID MA3207000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Jul 2024 |
| Lead | 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 316 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 |
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