The story of this market
The typical home in ZIP 21139 sells for about $450,000, or $235 per square foot.
Prices are up +2.5% from a year ago, so sellers still have some momentum. Homes take about 25 days to sell, which is fast. HUD's fair market rent for a two-bedroom is $2,100 a month.
ZIP 21139 — Riderwood
The housing market in 21139 remains stable with moderate price appreciation and low inventory levels. Demand continues to be driven by families seeking high-quality schools and suburban living, keeping the market competitive despite higher interest rates.
This ZIP is ideal for family buyers and professionals who prioritize school quality and suburban amenities. It offers a stable environment for those willing to commute to nearby employment hubs.
Median prices moved up 2.5% year over year.
Homes spend a median of 25 days on market with 2.1 months of supply — a fast-moving market.
15% of listings have cut prices · homes sell at 98.5% of asking — demand is running ahead of supply.
no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 3.2% · poverty 2.8% — a stable, low-distress profile.
Researched annual trajectory for this ZIP, from published historical series
Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 4.2%/yr trend — a deterministic estimate, not a published forecast or guarantee.
Median annual property tax paid on this ZIP's residential parcels
Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 4.0%/yr trend — a deterministic estimate, not a published forecast or guarantee.
versus the prior ACS vintage
net influx — more people moved in than out
ZCTA 21139, Baltimore County MD
Crime rates in this area remain low relative to regional averages, with property crime being the primary concern. Local law enforcement reports stable trends over the past year.
The area is served by highly-rated public schools that consistently perform above state averages in standardized testing and college readiness metrics.
The region faces moderate risk from severe wind events and localized flooding in low-lying areas, with standard insurance coverage generally available.
Economic momentum is driven by proximity to major regional employment hubs and ongoing residential infill development. Infrastructure improvements are focused on maintaining traffic flow in this suburban corridor.
Property taxes are assessed at the county level based on fair market value, with rates determined by local municipal and school district levies. No state-level property tax is applied.
Residents primarily commute by car to nearby employment centers, with average commute times reflecting typical suburban traffic patterns. Public transit options are limited, necessitating personal vehicle reliance.
The area features several community parks, walking trails, and proximity to regional golf courses. Shopping and dining options are concentrated in nearby commercial centers within a 3-mile radius.
The rental market is characterized by low vacancy rates and steady demand, driven by families and professionals seeking suburban living. Short-term rental activity is minimal due to local zoning restrictions.
The local economy is supported by a mix of professional services, healthcare, and retail sectors. Proximity to major regional employers provides a stable job market for residents.
The area is served by major highway corridors facilitating access to regional employment centers. Public transit infrastructure is primarily limited to bus services.
Development is focused on residential expansion and small-scale commercial infill. Local planning authorities prioritize maintaining suburban character while accommodating growth.
The county appraisal district conducts periodic assessments to determine property values for tax purposes, following state-mandated guidelines.
Parcels are subject to standard county and municipal tax districts, with no significant MUD or PID assessments reported.
Property insurance premiums are stable, reflecting the area's moderate risk profile for natural hazards.
Data retrieved from data.census.gov ZCTA-level tables.
Public schools whose reported address is in this area (NCES). Not attendance boundaries — schools that serve residents may sit outside it. Check the district's address locator for assignment.
- Dave & Buster's Hanover - Arundel417.9 mi
- K1 Speed Jessup4.519.7 mi
- Dave & Buster's4.29.8 mi
- Sky Zone Trampoline Park4.119 mi
- Urban Air Trampoline and Adventure Park4.317.9 mi
- CFG Bank Arena4.18.6 mi
- M&T Bank Stadium4.79.2 mi
- Merriweather Post Pavilion4.518.2 mi
- Camden Yards4.88.8 mi
- Oriole Park at Camden Yards4.78.9 mi
- National Aquarium4.68.9 mi
- Oriole Park at Camden Yards4.78.9 mi
- The Maryland Zoo in Baltimore4.46.1 mi
- Fort McHenry National Monument and Historic Shrine4.810.7 mi
- The Walters Art Museum4.88 mi
- National Aquarium4.68.9 mi
- Fort McHenry National Monument and Historic Shrine4.810.7 mi
- Baltimore Museum of Art4.86 mi
- The Walters Art Museum4.88 mi
- Port Discovery Children's Museum4.58.7 mi
- Fort McHenry National Monument and Historic Shrine4.810.7 mi
- Patapsco Valley State Park - Hollofield Area4.611 mi
- Sherwood Gardens4.85 mi
- Canton Waterfront Park4.610 mi
- Patterson Park4.69.1 mi
- Topgolf Baltimore3.89.5 mi
- Pine Ridge Golf Course4.34.1 mi
- Diamond Ridge Golf Course4.39 mi
- Fox Hollow Golf Course4.33.9 mi
- The Woodlands Golf Course4.49 mi
- Towson Town Center4.42.5 mi
- White Marsh Mall4.39.8 mi
- H Mart Ellicott City4.512.8 mi
- Mondawmin Mall3.96.5 mi
- Lexington Market3.98.4 mi
- Baltimore/Washington International Thurgood Marshall Airport4.316.2 mi
- The Club BWI3.916 mi
Theme parks, venues, golf, airports, museums, water and shopping across the area from Google Maps, ranked by popularity within the radius shown.
Large community park with sports fields and walking trails.
Private 18-hole course serving the local community.
Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass.