Frederick County property records for 13 addresses on Knoll Rd, Mount Airy, MD · Last verified August 2026
| Properties | 13 |
|---|---|
| Median Sale Price | $532,000 |
| Deeds and Mortgages on File | 21 |
| Median Price per Sqft | $161 |
| Owner Occupied | 100% |
| Median Annual Tax Bill | $7,072 |
| Median Year Built | 1986 |
| Median Ownership Tenure | 12 years |
Owner names and prior sale amounts shown locked below are available instantly with a free trial.
2.5 ba · 2,240 sqft · built 1989 · 11.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $549,000Jun 2009 | $6,7442024 | Amount on Record Mar 1988 | 1 Name on Record Owner Occupied | AssessorUpdated Apr 2026 |
4 ba · 3,262 sqft · built 1964 · 4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $665,000Oct 2008 | $7,0722023 | 2 Names on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2023 |
4 ba · 2,889 sqft · built 1991 · 10.8 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $875,000Oct 2021 | $7,6062023 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2023 |
2.5 ba · 2,793 sqft · built 2019 · 4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $176,001Nov 2015 | $8,7472025 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Aug 2026 |
3 ba · 2,219 sqft · built 1995 · 10.4 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $700,000Jul 2005 | $6,8332023 | 1 Name on Record Owner Occupied | Assessor + 2 DocumentsUpdated Sep 2023 |
3.5 ba · 3,663 sqft · built 1972 · 4.25 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $439,000Mar 2018 | $6,6762025 | Amount on Record Aug 1999 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Jun 2026 |
2.5 ba · 3,507 sqft · built 1969 · 4.96 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $532,000Feb 2014 | $7,3952024 | Amount on Record Dec 2007 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
4.5 ba · 6,683 sqft · built 2021 · 46.1 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $714,000Dec 2022 | $14,4222024 | Amount on Record Feb 2017 | 2 Names on Record Owner Occupied | Assessor + 3 DocumentsUpdated Apr 2026 |
3 ba · 3,857 sqft · built 1986 · 8.26 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $622,270Nov 2016 | $7,7202024 | —Oct 2015 | 1 Name on Record Owner Occupied | Assessor + 1 DocumentUpdated Apr 2026 |
4 ba · 2,418 sqft · built 1998 · 5.46 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $494,900Oct 2013 | $7,5422023 | —Oct 1998 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2023 |
3 ba · 3,472 sqft · built 1964 · 6.91 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Feb 2010 | $5,9362024 | Amount on Record Dec 2009 | 1 Name on Record Owner Occupied | AssessorUpdated Apr 2026 |
3 ba · 2,160 sqft · built 1967 · 5 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $370,000Dec 2019 | $4,8182023 | —Mar 2015 | 1 Name on Record Owner Occupied | Assessor + 3 DocumentsUpdated Sep 2023 |
2 ba · 2,046 sqft · built 1968 · 5.9 acres
| Last Sale | Tax Bill | Prior Sale | Owner | Records |
|---|---|---|---|---|
| $161,000Oct 1998 | $5,1292023 | Amount on Record Mar 1998 | 2 Names on Record Owner Occupied | Assessor + 1 DocumentUpdated Sep 2023 |