Middlesex County and Waltham City property record for 15 Flagg Cir, Waltham, MA 02453
| Property Type | Charitable / Fraternal Organization |
|---|---|
| Details | 3 bd · 2.5 ba · 1,372 sqft · built 1980 |
| Lot Size | 0.159 acres (6,909 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $800,000 (May 2026) |
| Deeds & Mortgages | May 2026 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 123903 |
| Primary APN | 123903 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,372 sqft Total Area |
| Gross Area | 2,164 sqft |
| Basement Area | 672 sqft |
| Unfinished Basement | 672 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 6,909 sqft (0.159 acres) |
| Deck Area | Deck Area |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 123903 |
|---|---|
| Street Address | 15 FLAGG CIR |
| City | WALTHAM |
| State | MA |
| Zip | 02453-7604 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Charitable / Fraternal Organization |
| Local Zoning Code | 1 |
| Legal Block | 1 |
| Legal Lot Number | 34 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 368400 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 15 FLAGG CIR, WALTHAM, MA 02453-7604 |
| Owner Type | Individual |
| Vesting | Tenants by the Entirety |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 29, 2026 · Amount on Record |
| Deed Sale | May 29, 2026 · Amount on Record |
| Deed Document Number | 202663257 |
| Deed Book / Page | 85667 / 314 |
| Prior Transfer Date | May 15, 2026 |
| Prior Transfer Doc | 085667-314 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WALTHAM MA |
| Recording Date | May 29, 2026 |
| Property Address | 15 FLAGG CIR, WALTHAM, MA 02453-7604 |
| Document Number | 085667-314 |
| Book / Page | 85667 / 314 |
| Instrument Date | May 15, 2026 |
| Instrument | 202663257 |
| Transaction Type | Transfer |
| Record Updated | Jun 17, 2026 |
| Amount | Amount Recorded |
|---|---|
| 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 | Tenants by the Entirety |
| Address | 15 FLAGG CIR, WALTHAM, MA 02453-7604 |
| Date | May 29, 2026 |
|---|
| Name | INSTITUTION FOR SVGS NEWBURYPO |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate | 6.3% |
|---|---|
| Max Rate | -1% |
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 | Assessed Value |
|---|---|
| 2026 | $657,300 (+4.93%) Land $334,800 Building $322,500 |
| 2025 | $626,400 (+1.62%) Land $318,900 Building $307,500 |
| 2024 | $616,400 Land $313,000 Building $303,400 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 | 8 (1979–2010) |
| Claims Outside the SFHA | 1 of 8 |
| Most Recent Claim | Mar 2010 · Severe Storms And Flooding |
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 | Low lower than 93% of the US · lower than 83% 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 | 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 54 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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