Carroll County property record for 4400 Roop Rd, Mount Airy, MD 21771
| Property Type | Rural Home |
|---|---|
| Details | 1 ba · 1,080 sqft · built 1920 |
| Lot Size | 118 acres (5,174,580 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,361,000 (Apr 2021) |
| Tax Bill | $3,428 (2026) |
| Deeds & Mortgages | Apr 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 09-003096 |
| Primary APN | 09-003096 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1 Bath |
|---|---|
| Stories | 2 Stories |
| Building Area | 1,080 sqft Total Area |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Construction Type | Frame |
| Roof Material | Metal |
| Lot Area | 5,174,580 sqft (118 acres) |
| Porch | Slab |
| Porch Area | 368 sqft |
| Sewer | Connected |
|---|
| Account Number | 003096 |
|---|---|
| Street Address | 4400 ROOP RD |
| City | MOUNT AIRY |
| State | MD |
| Zip | 21771-9014 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Local Zoning Code | AGRIC |
| Legal Description | LT - 118.7922 ACS 4400 ROOP RD CNSV ESMT 9750/212 |
| Jurisdiction | CARROLL MD |
| Township / Civil Division | 9, FRANKLIN |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 509002 |
4400 Roop Rd, a rural home, is owned and occupied by an individual who bought it in April 2021.
Source: Carroll County records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4400 ROOP RD, MOUNT AIRY, MD 21771-9014 |
| 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.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 16, 2021 · Amount on File |
| Deed Sale | Apr 16, 2021 · Amount on File |
| Prior Sale | May 17, 1983 · Amount on File |
| Deed Book / Page | 10216 / 492 |
| Prior Transfer Date | Mar 31, 2021 |
| Prior Transfer Doc | 0102160492 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed |
|---|---|
| Jurisdiction | CARROLL MD |
| Recording Date | Apr 16, 2021 |
| Property Address | 4400 ROOP RD, MOUNT AIRY, MD 21771-9014 |
| Document Number | 0102160492 |
| Book / Page | 10216 / 492 |
| Instrument Date | Mar 31, 2021 |
| Transaction Type | Transfer |
| Record Updated | Aug 11, 2022 |
| Amount | Amount on Record |
|---|---|
| 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 | 4400 ROOP RD, MOUNT AIRY, MD 21771-9014 |
| Document Number | 0010216499 |
|---|---|
| Date | Apr 16, 2021 |
| Instrument | 10216/499 |
| Name | C WILLIAM KNIL ETAL |
|---|---|
| Type | Private Party |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount on Record |
The 2026 property tax bill for 4400 Roop Rd was $3,428, up 4.1% from the year before.
Source: Carroll County assessment roll, as of September 8, 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Carroll County |
| Unified School District | Carroll County Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $3,428.00 (+4.13%) | $300,767 (+4.2%) | $312,900 (-) Land $225,000 Building $87,900 |
| 2025 | $3,292.00 | $288,633 | $312,900 Land $225,000 Building $87,900 |
| 2023 | $2,966.00 | $262,500 | $276,500 Land $205,000 Building $71,500 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 4400 Roop Rd in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective March 11, 2016 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| 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 4400 Roop Rd is low, with 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 80% of the US · above 41% of Maryland |
|---|---|
| Wildfire Likelihood | 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 8 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Starlink Satellite | 280 / 30 |
5G and 4G LTE (outdoors only)
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