Middlesex County and Waltham City property record for 21 Coolidge Ave, Waltham, MA 02452
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 2,212 sqft · built 1955 |
| Lot Size | 0.152 acres (6,630 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $235,000 (Mar 1998) |
| Tax Bill | $8,330 (2026) |
| Deeds & Mortgages | Feb 2026 Second Mortgage Dec 2023 Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 28507 |
| Primary APN | 28507 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,212 sqft Living Area |
| Gross Area | 3,328 sqft |
| Basement Area | 996 sqft |
| Unfinished Basement | 996 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 6,630 sqft (0.152 acres) |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Pool Type | In-Ground Pool |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 28507 |
|---|---|
| Street Address | 21 COOLIDGE AVE |
| City | WALTHAM |
| State | MA |
| Zip | 02452-5743 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Block | 5 |
| Legal Lot Number | 8 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 368901 |
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 | 23 COOLIDGE AVE, WALTHAM, MA 02452-5743 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Feb 13, 2026 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage ROCKET MORTGAGE LLC |
| Dec 20, 2023 | Deed of Trust, Mortgage · Second Mortgage (Down Payment) ROCKET MORTGAGE |
| Oct 14, 2022 | Deed of Trust, Mortgage · Second Mortgage (Down Payment) ROCKET MORTGAGE |
| Nov 9, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance ROCKET MORTGAGE |
| Aug 28, 2020 | Deed of Trust, Mortgage · Stand-Alone Refinance QUICKEN LOANS INC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 30, 1998 · Amount on Record |
| Deed Sale | Mar 30, 1998 · Amount on Record |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 21 COOLIDGE AVE, WALTHAM, MA 02452-5743 |
| Transaction Type | Mortgage |
| Record Updated | Mar 4, 2026 |
| Name | Verified Name |
|---|
| Document Number | 085226-352 |
|---|---|
| Date | Feb 13, 2026 |
| Book Page | 85226/352 |
| Instrument | 16203 |
| Name | ROCKET MORTGAGE LLC |
|---|
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 1, 2056 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 21 COOLIDGE AVE, WALTHAM, MA 02452-5743 |
| Transaction Type | Mortgage |
| Record Updated | Jan 5, 2024 |
| Name | Verified Name |
|---|
| Document Number | 082331-191 |
|---|---|
| Date | Dec 20, 2023 |
| Book Page | 82331/191 |
| Instrument | 145316 |
| Name | ROCKET MORTGAGE |
|---|
| Type | Second Mortgage (Down Payment) |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Jan 1, 2044 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 21 COOLIDGE AVE, WALTHAM, MA 02452-5743 |
| Transaction Type | Mortgage |
| Record Updated | Nov 4, 2022 |
| Name | Verified Name |
|---|
| Document Number | 080825-154 |
|---|---|
| Date | Oct 14, 2022 |
| Book Page | 80825/154 |
| Instrument | 153821 |
| Name | ROCKET MORTGAGE |
|---|
| Type | Second Mortgage (Down Payment) |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Nov 1, 2042 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 21 COOLIDGE AVE, WALTHAM, MA 02452-5743 |
| Transaction Type | Mortgage |
| Record Updated | Nov 25, 2021 |
| Name | Verified Name |
|---|
| Document Number | 79102-140 |
|---|---|
| Date | Nov 9, 2021 |
| Book Page | 79102/140 |
| Instrument | 244790 |
| Name | ROCKET MORTGAGE |
|---|
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Dec 1, 2036 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 21 COOLIDGE AVE, WALTHAM, MA 02452-5743 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 75473-554 |
|---|---|
| Date | Aug 28, 2020 |
| Book Page | 75473/554 |
| Instrument | 148449 |
| Name | QUICKEN LOANS INC |
|---|---|
| Type | Lending Institution |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2050 |
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 | $8,330.00 (+11.17%) | $807,200 (+5.79%) Land $433,700 Building $373,500 | $930,745 (+10.59%) |
| 2025 | $7,493.00 (+4.75%) | $763,000 (+2.83%) Land $413,900 Building $349,100 | $841,605 (+0.57%) |
| 2024 | $7,153.00 (+1.27%) | $742,000 (+8.42%) Land $395,600 Building $346,400 | $836,855 |
| 2023 | $7,063.00 | $684,400 Land $359,000 Building $325,400 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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 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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