Middlesex County and Waltham City property record for 12 Coolidge Ave, Waltham, MA 02452
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,504 sqft · built 1953 |
| Lot Size | 0.115 acres (5,001 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $650,000 (May 2018) |
| Tax Bill | $7,354 (2026) |
| Deeds & Mortgages | Feb 2021 Refinance Feb 2021 Refinance + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 28277 |
| Primary APN | 28277 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,504 sqft Living Area |
| Gross Area | 2,820 sqft |
| Basement Area | 832 sqft |
| Unfinished Basement | 832 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1953 |
| Architectural Style | Cape Cod |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 5,001 sqft (0.115 acres) |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Heating System | Steam |
|---|---|
| Heating Fuel | Oil |
| Account Number | 28277 |
|---|---|
| Street Address | 12 COOLIDGE AVE |
| City | WALTHAM |
| State | MA |
| Zip | 02452-5744 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Block | 6 |
| Legal Lot Number | 9 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 368901 |
12 Coolidge Ave is owned and occupied by two individuals who bought it in May 2018.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 12 COOLIDGE AVE, WALTHAM, MA 02452-5744 |
| 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 |
|---|---|
| Feb 5, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance CALIBER HOME LOANS INC |
| Feb 5, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance CALIBER HOME LOANS INC |
| Sep 27, 2019 | Deed of Trust, Mortgage · Conventional Mortgage CALIBER HM LNS |
| May 10, 2018 | Quit Claim Deed, Transfer · Conventional Mortgage CALIBER HM LOANS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 10, 2018 · Amount on File |
| Deed Sale | May 10, 2018 · Amount on File |
| Prior Sale | Jun 24, 2015 · Amount on File |
| Transfer Doc | 0001787232 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 12 COOLIDGE AVE, WALTHAM, MA 02452-5744 |
| Transaction Type | Mortgage |
| Record Updated | Apr 3, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0001869302 |
|---|---|
| Date | Feb 5, 2021 |
| Instrument | 1869302 |
| Name | CALIBER HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 12 COOLIDGE AVE, WALTHAM, MA 02452-5744 |
| Transaction Type | Mortgage |
| Record Updated | Feb 19, 2021 |
| Name | Verified Name |
|---|
| Document Number | 1869302 |
|---|---|
| Date | Feb 5, 2021 |
| Instrument | 1869302 |
| Name | CALIBER HOME LOANS INC |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 12 COOLIDGE AVE, WALTHAM, MA 02452-5744 |
| Document Number | 0000025099 |
| Instrument Date | Sep 27, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Oct 22, 2019 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 12 COOLIDGE AVE WALTHAM MA 024525744, WALTHAM, MA 02452-5744 |
| Document Number | 0000025099 |
|---|---|
| Date | Oct 3, 2019 |
| Instrument | 25099 |
| Name | CALIBER HM LNS |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Oct 2, 2049 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WALTHAM MA |
| Recording Date | May 10, 2018 |
| Property Address | 12 COOLIDGE AVE, WALTHAM, MA 02452-5744 |
| Document Number | 0000087232 |
| Instrument Date | Apr 25, 2018 |
| Instrument | 87232 |
| Transaction Type | Transfer |
| Record Updated | May 31, 2018 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $2,964.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 12 COOLIDGE AVE WALTHAM MA 024525744, WALTHAM, MA 02452-5744 |
| Document Number | 87233 |
|---|---|
| Date | May 10, 2018 |
| Instrument | 87233 |
| Name | CALIBER HM LOANS |
|---|---|
| Type | Funding / Finance Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | May 9, 2048 |
The 2026 property tax bill for 12 Coolidge Ave was $7,354, up 10.1% 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 | $7,354.00 (+10.12%) | $712,600 (+4.79%) Land $414,400 Building $298,200 | $777,976 (-7.12%) |
| 2025 | $6,678.00 (+5.28%) | $680,000 (+3.34%) Land $395,500 Building $284,500 | $837,615 (+3.67%) |
| 2024 | $6,343.00 (+0.99%) | $658,000 (+8.12%) Land $378,000 Building $280,000 | $807,975 |
| 2023 | $6,281.00 | $608,600 Land $343,000 Building $265,600 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 12 Coolidge Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 12 Coolidge Ave 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 96% of the US · lower than 92% 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 327 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
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