Knox County and Warren Town property record for 538 Patterson Mill Rd, Warren, ME 04864
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,052 sqft · built 1986 |
| Lot Size | 38.7 acres (1,687,514 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $6,302 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | WRRR M:R06 L:010 |
| Primary APN | WRRR M:R06 L:010 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 2,052 sqft Living Area |
| 1st Floor Area | 2,052 sqft |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Raised Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Concrete |
| Roof Material | Asphalt |
| Lot Area | 1,687,514 sqft (38.7 acres) |
| Heating System | Electric |
|---|
| Account Number | R1492R |
|---|---|
| Street Address | 538 PATTERSON MILL RD |
| City | WARREN |
| State | ME |
| Zip | 04864 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SEASON |
| Legal Lot Number | 10 |
| Jurisdiction | WARREN ME |
| Township / Civil Division | WARREN |
| Census Block Group | 2 |
| Census Block | 2015 |
| Census Tract | 970401 |
538 Patterson Mill Rd is owned by two individuals who acquired it in February 2005.
Source: Knox County and Warren Town records, as of May 21, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 123, WALDOBORO, ME 04572-0123 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 1, 2005 |
| Deed Sale | Feb 1, 2005 |
| Deed Document Number | 20051028 |
| Deed Book / Page | 3371 / 275 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 538 Patterson Mill Rd was $6,302.
Source: Knox County and Warren Town assessment roll, as of May 21, 2026
| Type | Name |
|---|---|
| State | Maine |
| County | Knox County |
| County Subdivision | Warren Town |
| Unified School District | School Administrative District 40 (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $6,302.00 | $443,800 Land $111,700 Building $332,100 |
| 2023 | $6,169.00 (+17.06%) | $443,800 (+68.43%) Land $111,700 Building $332,100 |
| 2022 | $5,270.00 | $263,500 Land $85,100 Building $178,400 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 538 Patterson Mill Rd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective April 16, 2025 · 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.
Wildfire risk around 538 Patterson Mill Rd 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 93% of the US · lower than 93% of Maine |
|---|---|
| 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: FCC Broadband Data Collection, based on 4 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| TDS Telecom Fiber | 8,000 / 8,000 |
| Spectrum Cable | 1,000 / 35 |
5G and 4G LTE (outdoors only)
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