Carroll County property record for 4100 Twin Arch Rd, Mount Airy, MD 21771
| Property Type | Commercial |
|---|---|
| Details | 1 ba · 630 sqft · built 1940 |
| Lot Size | 0.486 acres (21,170 sqft) |
| Owner | Company Name on File |
| Last Sale | $83,000 (Feb 2018) |
| Tax Bill | $638 (2026) |
| Deeds & Mortgages | Feb 2018 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 13-000670 |
| Primary APN | 13-000670 |
|---|---|
| Alternative APN |
|
| Full Baths | 1 Bath |
|---|---|
| Stories | 1 Story |
| Building Area | 630 sqft Total Area |
| Attic | Attic |
| Attic Area | 251 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 21,170 sqft (0.486 acres) |
| Porch | Open Porch |
| Porch Area | 168 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Connected |
| Account Number | 000670 |
|---|---|
| Street Address | 4100 TWIN ARCH RD |
| City | MOUNT AIRY |
| State | MD |
| Zip | 21771-4118 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Local Zoning Code | INDUS |
| Legal Description | LT -21170 SF 4100 TWIN ARCH RD MOUNT AIRY |
| Jurisdiction | CARROLL MD |
| Township / Civil Division | 13, MOUNT AIRY |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 513002 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Individually Listed | Old National Pike Milestones listed 1975 · 69 contributing resources · NRIS 75002107 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
4100 Twin Arch Rd, a commercial property, is owned by a company that bought it in February 2018.
Source: Carroll County records, as of October 20, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 6 BRADENTON CT, GAITHERSBURG, MD 20878-1991 |
| Owner Type | Company |
| Vesting | Company |
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 | Feb 14, 2018 · Amount on File |
| Deed Sale | Feb 14, 2018 · Amount on File |
| Prior Sale | Jan 3, 2001 · Amount on File |
| Deed Book / Page | 8941 / 114 |
| Transfer Doc | 0000002645 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CARROLL MD |
| Recording Date | Feb 14, 2018 |
| Property Address | 4100 TWIN ARCH RD, MOUNT AIRY, MD 21771-4118 |
| Document Number | 0089410114 |
| Book / Page | 008941 / 000114 |
| Instrument Date | Feb 9, 2018 |
| Transaction Type | Transfer |
| Record Updated | Feb 23, 2018 |
| Title Company | UNIFIED TITLE AND ESCROW INC |
| Amount | Amount on Record |
|---|---|
| Tax | $83.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 6 BRADENTON CT GAITHERSBURG MD 208781991, GAITHERSBURG, MD 20878-1991 |
The 2026 property tax bill for 4100 Twin Arch Rd was $638.
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 | $638.00 | $48,600 Land $48,600 | $48,600 Land $48,600 |
| 2025 | $638.00 | ||
| 2023 | $959.00 | $74,000 Land $74,000 | $74,000 Land $74,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4100 Twin Arch 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 AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 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 4100 Twin Arch 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 | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 33 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 / 250 |
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