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+1.3%|Austin · TXMedian List$290K-3.5%|Baltimore · MDMedian List$265K+1.1%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$875K+6.1%|Charlotte · NCMedian List$402K+1.2%|Chicago · ILMedian List$410K+7.8%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.7%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$412K+3.4%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$618K+5.0%|Detroit · MIMedian List$321K-2.7%|Duval County · FLMedian List$312K-1.4%|El Paso · TXMedian List$301K+11.1%|Fort Worth · TXMedian List$330K-1.5%|Franklin County · OHMedian List$301K+0.1%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$325K-2.3%|Indianapolis · INMedian List$250K+2.7%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$312K-1.4%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$310K+3.1%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$450K+1.1%|Los Angeles · CAMedian List$1M-1.7%|Louisville · KYMedian List$280K+1.8%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$209K+4.7%|Mesa · AZMedian List$490K-0.9%|Milwaukee · WIMedian List$245K+2.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$495K+3.1%|New York · NYMedian List$885K+8.7%|Oklahoma City · OKMedian List$275K-0.4%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$279K+4.6%|Phoenix · AZMedian List$452K+0.5%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$518K-2.2%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$257K-2.9%|San Diego · CAMedian List$910K+1.1%|San Francisco · CAMedian List$1.6M+14.9%|San Jose · CAMedian List$1.6M-5.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$844K+1.2%|Shelby County · TNMedian List$250K-2.8%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|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+1.3%|Austin · TXMedian List$290K-3.5%|Baltimore · MDMedian List$265K+1.1%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$875K+6.1%|Charlotte · NCMedian List$402K+1.2%|Chicago · ILMedian List$410K+7.8%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.7%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$412K+3.4%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$618K+5.0%|Detroit · MIMedian List$321K-2.7%|Duval County · FLMedian List$312K-1.4%|El Paso · TXMedian List$301K+11.1%|Fort Worth · TXMedian List$330K-1.5%|Franklin County · OHMedian List$301K+0.1%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$325K-2.3%|Indianapolis · INMedian List$250K+2.7%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$312K-1.4%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$310K+3.1%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$450K+1.1%|Los Angeles · CAMedian List$1M-1.7%|Louisville · KYMedian List$280K+1.8%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$209K+4.7%|Mesa · AZMedian List$490K-0.9%|Milwaukee · WIMedian List$245K+2.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$495K+3.1%|New York · NYMedian List$885K+8.7%|Oklahoma City · OKMedian List$275K-0.4%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$279K+4.6%|Phoenix · AZMedian List$452K+0.5%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$518K-2.2%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$257K-2.9%|San Diego · CAMedian List$910K+1.1%|San Francisco · CAMedian List$1.6M+14.9%|San Jose · CAMedian List$1.6M-5.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$844K+1.2%|Shelby County · TNMedian List$250K-2.8%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|
Property-class scope

The story of this market

The typical home in ZIP 21821 sells for about $261,339, or $158 per square foot.

Prices are up +4.5% from a year ago, so sellers still have some momentum. Homes take about 58 days to sell. HUD's fair market rent for a two-bedroom is $1,615 a month.

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

ZIP 21821 — Deal Island

Somerset County →Salisbury marketrefreshed Sep 16, 2026next refresh Oct 16, 2026
Market mood · neutral

The housing market in 21821 is characterized by low inventory and a slow pace of sales, reflecting its rural, coastal nature. Prices have seen modest growth, but the market remains stable with limited development activity. Buyers are primarily focused on lifestyle properties rather than investment or commuter-driven demand.

Who this ZIP fits

This ZIP is best suited for those seeking a quiet, rural, waterfront lifestyle, including retirees and those who enjoy outdoor recreation, rather than urban commuters.

Parent geography
Deal Island · no city intel reportSomerset County →Maryland state →
Aerial view · ZIP boundaries2020 Census ZCTA boundary over current aerial imagery
Leaflet Imagery © Esri, Maxar, Earthstar Geographics
Land area · 38.2 km²Water area · 13.1 km²U.S. Census Bureau TIGERweb — 2020 Census ZCTA5 boundary
Median sale price
$261,339
+4.5% year over year
Corroborated · 1 anchor · 0% off nearest
Days on market
58 days
Active listings
382
Listings with price cuts
16%
share of active listings
Sale-to-list ratio
98.5%
of asking price
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
71
Composite · average of graded sections
Computed only from this report's published readings — sections without data are excluded, never estimated.
73
Growth/100

Median prices moved up 4.5% year over year.

63
Liquidity/100

Homes spend a median of 58 days on market with 3.9 months of supply — a fast-moving market.

72
Momentum/100

16% of listings have cut prices · homes sell at 98.5% of asking — demand is running ahead of supply.

74
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 4.0% · poverty 19.2% — a stable, low-distress profile.

Median price · ten-year history

Researched annual trajectory for this ZIP, from published historical series

2016201720182019202020212022202320242025202620282030$130,000$195,000$260,000$325,000$390,000

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 6.8%/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$1,200$1,500$1,800$2,100$2,400

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 4.9%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Census trends · population flowsACS 2024 5-year estimates
Population change
-1.2%

versus the prior ACS vintage

Net migration
0 people

in-migration and out-migration balanced

Population base
797

ZCTA 21821, Somerset County MD

Immigration & foreign-bornU.S. Census Bureau ACS · ZIP granular
Foreign-born share
7.4%
Foreign-born residents
59
Naturalized (of foreign-born)
40.7%
Non-citizens (of population)
4.4%
Entered 2010 or later (of foreign-born)
49.2%
World region of birth (foreign-born)
Americas
81.4%
Europe
18.6%

ACS 2024 5-year estimates. Aggregate published statistics for this ZIP — never individual records, and never an attribute of any individual property or resident.

Area context
Environmental & hazard

The area is located in a coastal region of Somerset County, making it susceptible to flood risks and storm surge events.

Growth & development

Economic momentum is largely tied to the broader Salisbury metro area, with limited new development activity within the rural 21821 ZIP code.

Taxation

Property taxes are assessed at the county level in Somerset County, with rates determined by local and state levies; no specific special district data is available for this ZIP.

Transportation & commute

Residents face a significant commute to the Salisbury employment core, with a mean travel time to work of approximately 30.9 minutes.

Recreation & amenities

The area is defined by its proximity to the Chesapeake Bay and Tangier Sound, offering significant opportunities for boating, fishing, and water-based recreation.

Rental market

The rental market is limited in depth due to the rural nature of the ZIP, with demand primarily driven by local residents and seasonal visitors.

Economy & employers

The local economy is heavily reliant on agriculture, commercial fishing, and tourism, with the broader Salisbury metro area serving as the primary employment hub.

Transportation & infrastructure

Transportation is primarily via private vehicle, with limited public transit options available in this rural coastal area.

Development pipeline

There are no major large-scale commercial or residential developments currently reported for this ZIP code.

Special districts

Parcels are subject to standard county and state property tax levies; no specific special districts are identified.

Insurance & hazard market

Property insurance premiums are elevated due to the high risk of coastal flooding and storm damage in this low-lying area.

Discovery profileACS 2024 5-year estimates
Census profile · ZCTA 21821, Somerset County MD
Population
797
Median age
46 yrs
Owner-occupancy
88.5%
Median home value
$215,000
Median gross rent
$950
Median household income
$60,341
Median year built
1969
Vacancy rate
15.2%
Renter share
11.5%
Owner cost burden
18.4%
Renter cost burden
22.1%
Population change
-1.2%
Net migration
0
Work-from-home share
8.5%
Mean commute
30.9 min
Bachelor's or higher
19.4%
Unemployment
4%
Poverty rate
19.2%
Avg household size
2.1
White
92.1%
Black or African American
3.5%
Hispanic or Latino
2.2%
Other
2.2%

Data retrieved from Census Reporter for ZCTA 21821.

Public schools with an address here · 1

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.

Deal Island ElementaryElementaryNot ratedSomerset County Public SchoolsSmall rural school serving the local community.
School districts
Somerset County Public SchoolsNot ratedSmall district serving the rural population of Somerset County.
Utilities & services
ElectricDelmarva PowerPrimary provider for the region.
InternetVariousLimited high-speed options available in rural areas.
Major employers & industries
Local Commercial FishingAgriculture/FishingPrimary local industry.
Major amenities · ZIP 21821
Family fun & things to do
5 · 13 mi
Museums, galleries & history
1 · 20 mi
Parks, trails & nature
3 · 13 mi
Lakes, marinas & beaches
3 · 20 mi
Golf
1 · 13 mi
Shopping & dining districts
1 · 13 mi
Airports
1 · 31 mi

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

Amenities & attractions1 retained amenity
Inside this ZIP
Deal Island Wildlife Management Area
Park

Extensive marshland and trails for birdwatching and outdoor recreation.

Sources · 5 cited

Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass.