Middlesex County and Watertown City property record for 23 5th Ave, Watertown, MA 02472
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2 ba · 1,414 sqft · built 1987 |
| Lot Size | 0.178 acres (7,790 sqft) |
| Owner | Individual Name on File |
| Last Sale | $447,500 (Jan 2014) |
| Tax Bill | $8,301 (2026) |
| Deeds & Mortgages | Apr 2018 Line of Credit Oct 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 89000-14 |
| Primary APN | 89000-14 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 3 Stories |
| Building Area | 1,414 sqft Living Area |
| Gross Area | 1,926 sqft |
| Basement Area | 512 sqft |
| Unfinished Basement | 512 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Other |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,790 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 3247 |
|---|---|
| Street Address | 23 5TH AVE |
| City | WATERTOWN |
| State | MA |
| Zip | 02472-2545 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | T |
| Legal Subdivision | 21-23 05 AVE CONDO |
| Legal Block | 7Y |
| Legal Lot Number | 23 |
| Jurisdiction | WATERTOWN MA |
| Township / Civil Division | WATERTOWN TOWN |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 370403 |
23 5th Ave, a condominium, is owned and occupied by an individual who bought it in January 2014.
Source: Middlesex County and Watertown City records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 23 5TH AVE, WATERTOWN, MA 02472-2545 |
| 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.
| Date | Document |
|---|---|
| Apr 3, 2018 | Deed of Trust, Mortgage · Line of Credit HARVARD UNIV CU |
| Oct 6, 2017 | Deed of Trust, Mortgage · Conventional Mortgage HARVARD UNIV CU |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 22, 2014 · Amount on File |
| Deed Sale | Jan 22, 2014 · Amount on File |
| Prior Sale | Oct 7, 2004 · Amount on File |
| Deed Book / Page | 63200 / 435 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WATERTOWN MA |
| Property Address | 23 5TH AVE, WATERTOWN, MA 02472-2545 |
| Document Number | 70845-345 |
| Instrument Date | Apr 3, 2018 |
| Transaction Type | Mortgage |
| Record Updated | May 1, 2018 |
| Name | Verified Name |
|---|
| Document Number | 70845-345 |
|---|---|
| Date | Apr 9, 2018 |
| Book Page | 070845/000345 |
| Instrument | 47671 |
| Name | HARVARD UNIV CU |
|---|---|
| Type | Credit Union |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | Apr 8, 2043 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WATERTOWN MA |
| Property Address | 23 5TH AVE, WATERTOWN, MA 02472-2545 |
| Document Number | 70066-60 |
| Book / Page | 070066 / 000060 |
| Instrument Date | Oct 6, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Oct 31, 2017 |
| Name | Verified Name |
|---|
| Document Number | 70066-60 |
|---|---|
| Date | Oct 12, 2017 |
| Book Page | 070066/000060 |
| Instrument | 5132 |
| Name | HARVARD UNIV CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 120 Months |
| Due | Oct 11, 2027 |
The 2026 property tax bill for 23 5th Ave was $8,301, up 7.8% from the year before.
Source: Middlesex County and Watertown City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Watertown City |
| Unified School District | Watertown School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $8,301.00 (+7.78%) | $680,400 (+3.18%) Building $680,400 | $710,944 (-7.21%) |
| 2025 | $7,702.00 (+3.22%) | $659,400 (+3.39%) Building $659,400 | $766,175 (+0.27%) |
| 2024 | $7,462.00 (-10.54%) | $637,800 (+3.84%) Building $637,800 | $764,085 |
| 2023 | $8,341.00 | $614,200 Building $614,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 23 5th Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 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 23 5th Ave 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 | WATERTOWN DEPARTMENT OF PUBLIC WORKS serves 35,985 people · EPA ID MA3314000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Oct 2025 |
| Lead | 1 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 541 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: AT&T.
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