ZIP 21057
ZIP-level market data for Glen Arm, MD
Public Record
Median Sale Price
$628.6K
12-Month Sales
30
+22.4%
1-Year Appreciation
+22.4%
Properties Tracked
451
Median Sale Price History
Top Streets
| Street | Properties |
|---|---|
| Manor Rd | 59 |
| Glen Arm Rd | 43 |
| Old Carriage Rd | 27 |
| Harford Rd | 24 |
| Long Green Rd | 19 |
| Dulaney Valley Rd | 16 |
| Meadowcliff Rd | 16 |
| Long Green Pike | 15 |
| Ravenhurst Cir | 14 |
| Notchcliff Rd | 13 |
| Kanes Rd | 11 |
| Manorwood Dr | 10 |
| Conifer Ct | 10 |
| Manorview Rd | 8 |
| Langtry Dr | 8 |
| Holly Knoll Dr | 8 |
| Manor Springs Ct | 7 |
| Camp Cone Rd | 7 |
| Deer Bit Ln | 6 |
| Ponderosa Ln | 6 |
Streets in ZIP 21057
| Street | Properties |
|---|---|
| Manor Rd | 59 |
| Glen Arm Rd | 43 |
| Old Carriage Rd | 27 |
| Harford Rd | 24 |
| Long Green Rd | 19 |
| Dulaney Valley Rd | 16 |
| Meadowcliff Rd | 16 |
| Long Green Pike | 15 |
| Ravenhurst Cir | 14 |
| Notchcliff Rd | 13 |
| Kanes Rd | 11 |
| Manorwood Dr | 10 |
| Conifer Ct | 10 |
| Manorview Rd | 8 |
| Langtry Dr | 8 |
| Holly Knoll Dr | 8 |
| Manor Springs Ct | 7 |
| Camp Cone Rd | 7 |
| Deer Bit Ln | 6 |
| Ponderosa Ln | 6 |
Recent Sales
| Date | Address | City | Price |
|---|---|---|---|
| Mar 10, 2026 | Holly Branch Ct | Glen Arm | $931.5K |
| Feb 25, 2026 | Wythe Ct | Glen Arm | $775K |
| Sep 30, 2025 | Glen Arm Rd | Glen Arm | $155K |
| Jul 31, 2025 | Wythe Ct | Glen Arm | $839K |
| Jul 22, 2025 | Starview Ct | Glen Arm | $840K |
| Feb 28, 2025 | Harford Rd | Glen Arm | $1.11M |
| Jan 13, 2025 | Bafford Ct | Glen Arm | $685K |
| Dec 12, 2024 | Bafford Ct | Glen Arm | $685K |
| Sep 3, 2024 | Northcliff Rd | Glen Arm | $701K |
| Mar 1, 2024 | 11437 LONG GREEN PIKE | Glen Arm | $430K |
| Feb 20, 2024 | Notchcliff Rd | Glen Arm | $510K |
| Jan 22, 2024 | Echo Valley Rd | Glen Arm | $586K |
| Jan 12, 2024 | Notchcliff Rd | Glen Arm | $510K |
| Jan 11, 2024 | Hillrise Rd | Glen Arm | $465K |
| Nov 24, 2023 | Hillrise Rd | Glen Arm | $465K |
| Jun 12, 2023 | Notchcliff Rd | Glen Arm | $799K |
| Apr 13, 2023 | Winterberry Ct | Glen Arm | $676K |
| Mar 31, 2023 | Langtry Dr | Glen Arm | $745K |
| Mar 2, 2023 | Notchcliff Rd | Glen Arm | $799K |
| Dec 7, 2022 | Old Carriage Rd | Glen Arm | $680K |
4-Quarter Forecast
Linear projection from past trendQuarterly trend
+5.8%
Implied 1-yr
+23.0%
2026 Q2
$793.4K
2026 Q3
$826.6K
Median Price — History + Forecast
Property type mix
Share by property type
Year-built distribution
Properties by build era
Map
Recent top sales — most expensive
| Address | City | Sale date | Sale price |
|---|---|---|---|
| Manor Rd | Glen Arm | Mar 18, 2021 | $1,800,000 |
| Manor Rd | Glen Arm | Jul 7, 2022 | $1,045,000 |
| Glen Arm Rd | Glen Arm | Nov 3, 2022 | $919,900 |
| Glen Arm Rd | Glen Arm | Sep 30, 2022 | $919,900 |
| Notchcliff Rd | Glen Arm | Mar 30, 2022 | $915,350 |
| Old Carriage Rd | Glen Arm | Dec 6, 2021 | $910,000 |
| Old Carriage Rd | Glen Arm | Jun 25, 2021 | $910,000 |
| Langtry Dr | Glen Arm | Dec 15, 2021 | $900,000 |
| Glen Arm Rd | Glen Arm | Sep 7, 2021 | $879,000 |
| Glen Arm Rd | Glen Arm | Nov 5, 2021 | $879,000 |
Nearby ZIP codes
How ZIP 21057 ranks in Maryland
1-year appreciation
#67 of 428
Median price
#37 of 428
Frequently asked about ZIP 21057
What is the median sale price in ZIP 21057?
The median sale price in ZIP 21057 over the last 12 months is $628.6K, based on 30 transactions.
How fast are home prices appreciating in ZIP 21057?
ZIP 21057 home prices have changed +22.4% year-over-year on a median basis.
How many sales happen each year in ZIP 21057?
Roughly 30 home sales were recorded in ZIP 21057 over the trailing 12 months.
What types of properties are most common in ZIP 21057?
single_family is the most common property type tracked in ZIP 21057.
When were most homes in ZIP 21057 built?
Most homes in ZIP 21057 were built in the 1950-1969 era.