Middlesex County and Waltham City property record for 426 Main St, Unit 1, Waltham, MA 02452
| Property Type | Condominium |
|---|---|
| Details | 3 bd · 2.5 ba · 1,987 sqft · built 2006 |
| Lot Size | 0.665 acres (28,983 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $700,000 (Apr 2020) |
| Tax Bill | $7,910 (2026) |
| Deeds & Mortgages | Sep 2021 Refinance Sep 2021 Refinance + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 211070 |
| Primary APN | 211070 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 3 Stories |
| Building Area | 1,987 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Architectural Style | Other |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 28,983 sqft (0.665 acres) |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 211070 |
|---|---|
| Street Address | 426 MAIN ST, 1 |
| City | WALTHAM |
| State | MA |
| Zip | 02452-6199 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Subdivision | EDEN VALE MAIN |
| Legal Block | 11 |
| Legal Lot Number | 28 001 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 368800 |
426 Main St, Unit 1 is owned and occupied by two individuals who bought it in April 2020.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 426 MAIN ST, 1, WALTHAM, MA 02452-6199 |
| 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 |
|---|---|
| Sep 1, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance US BANK NA |
| Sep 1, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance US BANK NA |
| Apr 27, 2020 | Condominium Deed, Transfer NOT AVAILABLE |
| Dec 15, 2017 | Quit Claim Deed, Transfer · Conventional Mortgage STEPHEN M GANSLER |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 27, 2020 · Amount on File |
| Deed Sale | Apr 27, 2020 · Amount on File |
| Prior Sale | Dec 15, 2017 · Amount on File |
| Deed Document Number | 202062104 |
| Deed Book / Page | 74550 / 226 |
| Transfer Doc | 0070392-63 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 426 MAIN ST UNIT 1, 1, WALTHAM, MA 02452-6199 |
| Transaction Type | Mortgage |
| Record Updated | Apr 2, 2026 |
| Name | Verified Name |
|---|
| Document Number | 078607-389 |
|---|---|
| Date | Sep 1, 2021 |
| Book Page | 78607/389 |
| Instrument | 195910 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 121 Months |
| Due | Oct 1, 2031 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WALTHAM MA |
| Property Address | 426 MAIN ST UNIT 1, 1, WALTHAM, MA 02452-6199 |
| Transaction Type | Mortgage |
| Record Updated | Sep 17, 2021 |
| Name | Verified Name |
|---|
| Document Number | 78607-389 |
|---|---|
| Date | Sep 1, 2021 |
| Book Page | 78607/389 |
| Instrument | 195910 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 121 Months |
| Due | Oct 1, 2031 |
| Document Type | Condominium Deed |
|---|---|
| Jurisdiction | WALTHAM MA |
| Recording Date | Apr 27, 2020 |
| Property Address | 426 MAIN ST UNIT 1, 1, WALTHAM, MA 02452-6199 |
| Document Number | 74550-226 |
| Book / Page | 074550 / 000226 |
| Instrument Date | Apr 23, 2020 |
| Instrument | 62104 |
| Transaction Type | Transfer |
| Record Updated | May 12, 2020 |
| Title Company | NOT AVAILABLE |
| Amount | Amount on Record |
|---|---|
| Tax | $3,192.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 426 MAIN ST #1 WALTHAM MA 024526199, 1, WALTHAM, MA 02452-6199 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WALTHAM MA |
| Recording Date | Dec 15, 2017 |
| Property Address | 426 MAIN ST UNIT 1, 1, WALTHAM, MA 02452-6199 |
| Document Number | 70392-63 |
| Book / Page | 070392 / 000063 |
| Instrument Date | Dec 12, 2017 |
| Instrument | 3695 |
| Transaction Type | Transfer |
| Record Updated | Jan 3, 2018 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $2,736.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 426 MAIN ST #1 WALTHAM MA 024526199, 1, WALTHAM, MA 02452-6199 |
| Document Number | 70392-68 |
|---|---|
| Date | Dec 15, 2017 |
| Book Page | 070392/000068 |
| Instrument | 3696 |
| Name | STEPHEN M GANSLER |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Dec 14, 2047 |
The 2026 property tax bill for 426 Main St, Unit 1 was $7,910, up 8.5% 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 | $7,910.00 (+8.55%) | $766,500 (+3.29%) Building $766,500 | $749,019 (-12.67%) |
| 2025 | $7,287.00 (+5.5%) | $742,100 (+3.57%) Building $742,100 | $857,660 (+5.44%) |
| 2024 | $6,907.00 (-3.13%) | $716,500 (+3.71%) Building $716,500 | $813,390 |
| 2023 | $7,130.00 | $690,900 Building $690,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 426 Main St, Unit 1 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.
The area around 426 Main St, Unit 1 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 | 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 534 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 |
May also be available: AT&T, T-Mobile.
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