Middlesex County and Waltham City property record for 85 Colburn St, Waltham, MA 02453
| Property Type | Duplex |
|---|---|
| Details | 2 bd · 2.5 ba · 1,482 sqft · built 1910 |
| Lot Size | 0.129 acres (5,611 sqft) |
| Owner | 2 Trust Names on Record |
| Last Sale | $600,000 (May 2021) |
| Tax Bill | $6,219 (2025) |
| Deeds & Mortgages | Jul 2017 Mortgage Jan 2022 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 26643 |
| Primary APN | 26643 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,482 sqft Living Area |
| Gross Area | 2,556 sqft |
| Basement Area | 846 sqft |
| Unfinished Basement | 846 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 5,611 sqft (0.129 acres) |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Account Number | 26643 |
|---|---|
| Street Address | 85 COLBURN ST |
| City | WALTHAM |
| State | MA |
| Zip | 02453-1601 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | 1 |
| Legal Block | 16 |
| Legal Lot Number | 3 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 4 |
| Census Block | 4011 |
| Census Tract | 368300 |
Source: Middlesex County and Waltham City records, as of April 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Trust Names on Record |
|---|---|
| Mailing Address | 107 1/2 INMAN ST, 2, CAMBRIDGE, MA 02139-1286 |
| Owner Type | Individual |
| Vesting | Trust |
| Date | Document |
|---|---|
| Jul 28, 2017 | Deed of Trust, Mortgage HANSCOM FCU |
| Jan 6, 2022 | Warranty Deed, Transfer |
| May 3, 2021 | Quit Claim Deed, Transfer · Stand-Alone First Mortgage CATHAY BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 3, 2021 · Amount on Record |
| Deed Sale | May 3, 2021 · Amount on Record |
| Prior Sale | Apr 29, 2016 · Amount on Record |
| Deed Book / Page | 77674 / 459 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 85 COLBURN ST, WALTHAM, MA 02453-1601 |
| Transaction Type | Mortgage |
| Record Updated | Jun 24, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0069681-84 |
|---|---|
| Date | Jul 28, 2017 |
| Book Page | 69681/84 |
| Instrument | 119304 |
| Name | HANSCOM FCU |
|---|---|
| Type | Credit Union |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Jul 1, 2047 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WALTHAM MA |
| Recording Date | Jan 6, 2022 |
| Property Address | 85 COLBURN ST, WALTHAM, MA 02453-1601 |
| Document Number | 079496-178 |
| Book / Page | 79496 / 178 |
| Instrument Date | Dec 6, 2021 |
| Instrument | 3468 |
| Transaction Type | Transfer |
| Record Updated | Jan 21, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 107-1 2 INMAN ST #NO 2 # NO2, #NO2#1, CAMBRIDGE, MA 02139-1207 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WALTHAM MA |
| Recording Date | May 3, 2021 |
| Property Address | 85 COLBURN ST, WALTHAM, MA 02453-1601 |
| Document Number | 77674-459 |
| Book / Page | 77674 / 459 |
| Instrument Date | May 3, 2021 |
| Instrument | 99953 |
| Transaction Type | Transfer |
| Record Updated | May 21, 2021 |
| 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 |
|---|---|
| Address | 85 COLBURN ST, WALTHAM, MA 02453-1601 |
| Document Number | 99954 |
|---|---|
| Date | May 3, 2021 |
| Instrument | 99954 |
| Name | CATHAY BANK |
|---|---|
| Type | Bank |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.5% |
| Type Change Date | Jun 1, 2026 |
| Max Rate At Change | 2.75% |
| Index | 1-Year CMT |
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 |
|---|---|---|
| 2025 | $6,219.00 (+8.33%) | $633,300 (+6.35%) Land $307,700 Building $325,600 |
| 2024 | $5,741.00 (+0.33%) | $595,500 (+7.39%) Land $302,000 Building $293,500 |
| 2023 | $5,722.00 | $554,500 Land $273,500 Building $281,000 |
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 |
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 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 69 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 |
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