Walnut Ridge in Frederick, Maryland has a moderate income profile, with a gross yield of 5.4 and prices about 8% below Frederick and 7% below Maryland. Prices fell 5.1% over the past year, while the Red Flag score of 61 indicates elevated risk. Walkability is 9, and education is in the 84th percentile, a relatively strong school-district test-score percentile.
AI Summary•Updated May 2026
Area
0.05 mi²
ZIP Code
21702
County
Frederick County
State
Maryland
Redfin — median sale & volumeZillow ZORI — asking rentFEMA National Risk Index v1.20OpenStreetMap — POIFBI UCR — state crimeEPA — radon zonesWashU ACAG — satellite PM2.5EPA FRS / BTS — hazard screeningUS Census ACS / TIGER 2024
Verified Price · Median Sale
$446,867
YoY-5.1%
Gross Rental Yield
5.4%
Listed rent · ZORI annualized
Red Flag Index
High
61 / 100
Walkability Score
9
Minimal
OpenStreetMap POI density · national percentile
Education Score
84 / 100
Excellent · better than 84% of U.S. districts
Pre-pandemic SEDA (2018/19) · district proxy
AI Score
48
Fair
DistrictScore attractiveness · national model
Walnut Ridge Property Prices & Rental Yield
Verified Redfin sale data and Zillow ZORI asking rent for Walnut Ridge, Frederick.
Market Trend (12-Month)
12 Months
$466K$458K$451K$443K$435K
Verified Sale Price (Median)
Jun '25May '26
Verified = Redfin median sale price (MLS). Rolling 3-month series.
Unlock the Walnut Ridge 12-month price trend
See the full Verified vs Listed price history — free with a DistrictScore account.
FEMA National Risk Index composite across eight hazards, plus inherited Maryland crime context.
Red Flag Breakdown
61 / 100
High Risk
Composite is weighted by expected impact — frequent low-damage hazards (hail, wind) weigh less than flood or wildfire.
Hurricane80Very High
Heat80Very High
Strong Wind80Very High
Hail80Very High
Flood60High
Tornado60High
Wildfire40Moderate
Earthquake40Moderate
8/8 hazards scored · FEMA NRI v1.20
Crime (state-level): Maryland averaged 24.7 crimes and 4.2 violent per 1,000 residents (-3.8% YoY) in 2024(FBI UCR). Compare the state to the country, not states as a ranking — full Safety & Crime data lives on the state page.
Active transaction volume — 180 homes sold last period
Hurricane risk is Very High (80/100)
Heat risk is Very High (80/100)
Insights are generated from Walnut Ridge's live DistrictScore metrics.
Walnut Ridge Environment & Safety
Satellite PM2.5 air-quality history, FBI UCR crime trend (Maryland-level, the finest official aggregation), EPA radon potential and point-source hazard screening.
Air Quality — PM2.5
2015–2024
6.5 µg/m³ Meets EPA, above WHO guideline-22.7% since 2015
9.57.86.24.5
EPA 9WHO 5
20152024
Annual mean fine-particle (PM2.5) concentration at the Walnut Ridge centroid, satellite-derived (ACAG). References: WHO guideline 5 µg/m³ · EPA annual standard 9 µg/m³. Latest year ranks worse than 67% of U.S. neighborhoods.
Maryland Crime Trend
FBI UCR
31150
20132024
All crimes / 1k
Violent / 1k
Year
Crimes / 1k
Violent / 1k
YoY
2024
24.7
4.2
-3.8%
2023
25.9
4.4
+22.0%
2022
21.4
4.3
+9.1%
2021
19.6
4.3
-0.7%
2020
20.1
4.0
-16.4%
2019
24.1
4.5
—
Reported at the state level — the finest official US crime aggregation; Walnut Ridge inherits the Maryland figures.
Radon Potential
EPA
Zone 1
Zone 1 — Highest potential · Walnut Ridge
EPA radon zones estimate indoor radon potential county-wide (Zone 1 highest, Zone 3 lowest). Testing is recommended in all zones.
Environmental Hazards
EPA / BTS
Superfund (NPL)1.4 kmHigh
Industrial odor1 nearbyHigh
Point-source screening near Walnut Ridge: EPA Superfund National Priorities List & Facility Registry (2026), BTS aviation noise (2020, 24-hour average level). Superfund shows distance to the nearest listed site; odor shows detected sources within the screening radius. Only detected sources are listed; the bar shows severity vs. all U.S. neighborhoods.
Walkability & Amenities in Walnut Ridge
Amenity density and pedestrian access from OpenStreetMap points of interest.
Walkability & Amenities
OpenStreetMap POI
9
Minimal
Walkability Score
0
Grocery
0
Dining
0
Schools
0
Universities
0
Hospitals
0
Pharmacies
1
Parks
0
Rail Transit
0
Coworking
POI counts are amenities within Walnut Ridge's boundary plus a 400 m walk buffer. Rail transit excludes bus stops.
Walnut Ridge vs Frederick vs Maryland
How Walnut Ridge benchmarks against its city and state medians.
Benchmark vs City & State
Across Walnut Ridge, the median sale price sits about 8% below the median for Frederick neighborhoods and about 7% below the statewide median. Gross rental yield is 5.4%, against 5.3% for Frederick neighborhoods and 5.5% statewide. Over the past 12 months, prices fell 5.1%. Transaction liquidity sits below the median for Frederick neighborhoods and above the statewide median.
Walnut Ridge in Frederick, Maryland has a moderate income profile. It shows a gross yield of 5.4, prices about 8% below Frederick and 7% below Maryland, and a Red Flag score of 61. Walkability is 9 and education is in the 84th percentile.
Neighborhoods near Walnut Ridge
Compare Walnut Ridge with nearby neighborhoods in Frederick.