LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$481K+0.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$406K-2.3%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$860K-4.2%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.6%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.4M+1.7%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$523K-0.3%|Tucson · AZMedian List$316K+2.7%|Wayne County · MIMedian List$229K+6.7%|LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$481K+0.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$406K-2.3%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$860K-4.2%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.6%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.4M+1.7%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$523K-0.3%|Tucson · AZMedian List$316K+2.7%|Wayne County · MIMedian List$229K+6.7%|
Property-class scope

The story of this market

The typical home in ZIP 21227 sells for about $300,000, or $215 per square foot.

Prices are up +4.2% from a year ago, so sellers still have some momentum. Homes take about 22 days to sell, which is fast. HUD's fair market rent for a two-bedroom is $1,420 a month.

ZIP market report · consumer edition · quarterly refresh
Track this ZIP

ZIP 21227 — Baltimore

Baltimore County →refreshed Sep 30, 20262 cycles retainednext refresh Oct 30, 2026
Market mood · cautiously optimistic

The 21227 housing market shows steady appreciation driven by its strategic location near major employment hubs and transit corridors. While inventory remains tight, the market is supported by consistent demand from commuters and local workers. Prices have trended upward, reflecting the broader regional strength of the Baltimore metro area.

Who this ZIP fits

This ZIP is well-suited for working families and commuters who prioritize access to major transportation arteries and the employment hubs of Baltimore and Northern Virginia while seeking more affordable housing options than the inner city.

Parent geography
Aerial view · ZIP boundaries2020 Census ZCTA boundary over current aerial imagery
Leaflet Imagery © Esri, Maxar, Earthstar Geographics
Land area · 29.4 km²Water area · 0.6 km²U.S. Census Bureau TIGERweb — 2020 Census ZCTA5 boundary
Median sale price
$300,000
+4.2% year over year
Divergent · 14.3% from published 2025 series — validation case open, publishes pending verdict
Days on market
22 days
Active listings
85
Listings with price cuts
12%
share of active listings
Sale-to-list ratio
99.2%
of asking price
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
80
Composite · average of graded sections
Computed only from this report's published readings — sections without data are excluded, never estimated.
71
Growth/100

Median prices moved up 4.2% year over year.

90
Liquidity/100

Homes spend a median of 22 days on market with 2.1 months of supply — a fast-moving market.

78
Momentum/100

12% of listings have cut prices · homes sell at 99.2% of asking — demand is running ahead of supply.

79
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 3.7% · poverty 15.7% — a stable, low-distress profile.

Median price · ten-year history

Researched annual trajectory for this ZIP, from published historical series

2016201720182019202020212022202320242025202620282030$170,000$255,000$340,000$425,000$510,000

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 7.3%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Property tax · ten-year history

Median annual property tax paid on this ZIP's residential parcels

2016201720182019202020212022202320242025202620282030$1,950$2,600$3,250$3,900$4,550

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 5.2%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Census trends · population flowsACS 2019-2023 5-year estimates
Population change
+0.8%

versus the prior ACS vintage

Net migration
+120 people

net influx — more people moved in than out

Population base
34,907

ZCTA 21227, Baltimore County MD

Area context
Crime & safety

Crime rates in the 21227 area are generally consistent with suburban Baltimore County averages, with property crime being the primary concern compared to violent crime incidents.

Schools & education

Schools serving the area are part of the Baltimore County Public Schools system, which maintains a mix of ratings across elementary, middle, and high school levels.

Environmental & hazard

The area is subject to standard regional flood and wind risks associated with the Chesapeake Bay watershed, with insurance premiums reflecting typical mid-Atlantic hazard profiles.

Growth & development

Economic momentum is driven by proximity to the BWI Thurgood Marshall Airport corridor and major logistics hubs, providing steady employment opportunities in the Baltimore metro area.

Taxation

Composed from the ARED governance burden registry — tier-native tax structure (state + county + city + special districts), never averaged. State (Maryland) — Maryland Real Property Assessment and Taxation: Property is assessed at its phased-in use value. The tax is calculated by multiplying the assessed value by the applicable state and local tax rates.

Transportation & commute

Residents benefit from direct access to I-95, I-695, and the MARC train line, facilitating efficient commutes to downtown Baltimore and the broader Washington D.C. corridor.

Recreation & amenities

The area features access to local community parks, proximity to the Patapsco Valley State Park for hiking and outdoor activities, and various retail centers along the US-1 corridor.

Rental market

The rental market is characterized by steady demand from commuters and employees of nearby logistics and airport-related businesses, with moderate vacancy pressure.

Economy & employers

The economy is anchored by the BWI Airport, logistics and distribution centers, and the University of Maryland, Baltimore County (UMBC).

Transportation & infrastructure

The area is served by major highway interchanges (I-95/I-695) and provides access to MARC commuter rail services.

Development pipeline

Development is focused on mixed-use revitalization projects along the US-1 corridor and infrastructure upgrades for transit connectivity.

County appraisal district

The Baltimore County Department of Assessments and Taxation conducts triennial assessments for all residential properties.

Special districts

Parcels are subject to Baltimore County property taxes and are served by the Baltimore County Public Schools district.

Insurance & hazard market

Property insurance remains stable, though premiums are influenced by regional flood zone designations and proximity to industrial zones.

Discovery profileACS 2019-2023 5-year estimates
Census profile · ZCTA 21227, Baltimore County MD
Population
34,907
Median age
36.2 yrs
Owner-occupancy
62.4%
Median home value
$272,400
Median gross rent
$1,450
Median household income
$83,620
Median year built
1958
Vacancy rate
6.1%
Renter share
37.6%
Owner cost burden
22.5%
Renter cost burden
41.2%
Population change
+0.8%
Net migration
120
Work-from-home share
18.5%
Mean commute
28.4 min
Bachelor's or higher
28.9%
Unemployment
3.7%
Poverty rate
15.7%
Avg household size
2.65
White
58.2%
Black or African American
24.5%
Hispanic or Latino
9.1%
Asian
4.8%
Other
3.4%

Data retrieved from data.census.gov ZCTA-level tables.

Public schools · 3
Halethorpe ElementaryElementary6/10Baltimore County Public SchoolsServes the core of the ZIP.
Arbutus MiddleMiddle5/10Baltimore County Public SchoolsPrimary middle school for the area.
Lansdowne HighHigh4/10Baltimore County Public SchoolsServes the broader community.
School districts
Baltimore County Public SchoolsBLarge district serving the entire county with diverse student populations.
Utilities & services
ElectricBGEPrimary provider for the region.
Natural GasBGEPrimary provider for the region.
InternetComcast/VerizonBroadband availability is widespread.
Water/SewerBaltimore CountyPublic utility service.
Major employers & industries
BWI Thurgood Marshall AirportTransportationMajor regional employer.
UMBCEducationSignificant academic and research employer.
Amazon/Logistics HubsLogisticsLarge-scale distribution presence.
Major amenities · ZIP 21227
Entertainment venues, stadiums & amphitheaters
14 · 20 mi
Lakes, marinas & beaches
6 · 20 mi
Shopping & dining districts
5 · 13 mi

Theme parks, venues, golf, airports, museums, water and shopping across the area from Google Maps, ranked by popularity within the radius shown.

Amenities & attractions3 retained amenities · 1 development on the horizon
Inside this ZIP
Patapsco Valley State Park
Park

Extensive trail system and river access serving the region.

Arbutus Shopping Center
Retail

Local hub for dining and essential services.

UMBC Campus
Education

Major regional anchor providing cultural and athletic events.

On the horizon · announced & under construction
BWI Business District ExpansionCommercialOngoingContinued development of logistics and office space near the airport.
Sources · 3 cited

Key-figure check: median price diverges 30.0% from the nearest retained anchor (prior refresh cycle) — beyond the 12.5% tolerance; an automated validation case is open and the value publishes pending its verdict. Validation: the flagged $390,000 (+30% vs the prior refresh cycle) could not be independently corroborated and was reverted to the prior cycle value pending review; the case is under review in the Command Center.