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 21720 sells for about $625,419, or $246 per square foot.

Prices are roughly flat from a year ago (+0.5%), a market in balance. Homes take about 30 days to sell. HUD's fair market rent for a two-bedroom is $2,997 a month.

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

ZIP 21720

Montgomery County →refreshed Oct 31, 2026next refresh Nov 30, 2026
Market mood · cautiously optimistic

The Clarksburg housing market remains stable with a median home value of approximately $625,419. Demand is supported by strong local income levels and proximity to the I-270 tech corridor, though inventory remains tight. Market conditions are currently balanced, reflecting steady growth in both property values and new construction.

Who this ZIP fits

This ZIP is ideal for families and commuters seeking a balance of modern suburban housing and access to the I-270 employment corridor.

Parent geography
Median sale price
$625,419
+0.5% year over year
Corroborated · 1 anchor · 0.7% off nearest
Days on market
30 days
Active listings
55
Listings with price cuts
15%
share of active listings
Sale-to-list ratio
100%
of asking price
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
78
Composite · average of graded sections
Computed only from this report's published readings — sections without data are excluded, never estimated.
53
Growth/100

Median prices moved up 0.5% year over year.

87
Liquidity/100

Homes spend a median of 30 days on market with 2.0 months of supply — a fast-moving market.

78
Momentum/100

15% of listings have cut prices · homes sell at 100% of asking — demand is running ahead of supply.

95
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 3.5% · poverty 3.9% — a stable, low-distress profile.

Median price · ten-year history

Researched annual trajectory for this ZIP, from published historical series

2016201720182019202020212022202320242025202620282030$425,000$510,000$595,000$680,000$765,000

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 3.8%/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$6,800$7,650$8,500$9,350$10,200

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 2.6%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Census trends · population flowsACS 2024 5-year estimates
Population change
-0.5%

versus the prior ACS vintage

Population base
30,182

ZCTA 20871, Montgomery County MD

Area context
Schools & education

The area is served by the Montgomery County Public Schools system, which is generally characterized by high academic performance and strong community support.

Environmental & hazard

The area faces standard regional risks for severe storms and flooding, with insurance premiums influenced by Maryland's broader climate-risk profile.

Growth & development

Clarksburg features significant new residential construction and mixed-use development, supported by its proximity to the I-270 technology corridor.

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 primarily commute via I-270, providing access to employment hubs in Germantown, Rockville, and Washington, D.C.

Recreation & amenities

The area offers access to Little Bennett Regional Park, Black Hill Regional Park, and various local trails and community golf facilities.

Rental market

The rental market is characterized by high demand for modern townhomes and apartments, with rents trending upward due to limited vacancy.

Economy & employers

The local economy is driven by the technology, biotech, and professional services sectors along the I-270 corridor.

Development pipeline

Ongoing development of residential subdivisions and commercial infrastructure continues to expand the community footprint.

Special districts

Parcels are subject to Montgomery County property taxes and various local utility and special service district assessments.

Insurance & hazard market

Property insurance premiums are stable but reflect regional exposure to severe weather events.

Discovery profileACS 2024 5-year estimates
Census profile · ZCTA 20871, Montgomery County MD
Population
30,182
Median age
38 yrs
Owner-occupancy
74%
Median home value
$625,419
Median gross rent
$2,610
Median household income
$177,523
Median year built
2005
Vacancy rate
5%
Renter share
9.37%
Owner cost burden
25%
Renter cost burden
35%
Population change
-0.5%
Work-from-home share
25%
Mean commute
35 min
Bachelor's or higher
65%
Unemployment
3.5%
Poverty rate
3.85%
Avg household size
3.2
White
45%
Black
18%
Asian
22%
Hispanic
12%
Other
3%

Data retrieved from Census ACS and local market profiles.

Public schools with an address here · 0

No public schools report a street address in this area. Source: NCES EDGE public school locations 2023-24.

School districts
Montgomery County Public SchoolsALarge, highly-ranked district serving the entire county.
Utilities & services
InternetVerizon Fios / XfinityBroadband availability is widespread.
ElectricPepcoPrimary electricity provider for the region.
Natural GasWashington GasStandard residential gas service.
Water/SewerWSSC WaterRegional water and wastewater utility.
Major employers & industries
Montgomery County GovernmentPublic SectorMajor regional employer.
NIH/Biotech CorridorBiotechnologySignificant regional economic driver.
Amenities & attractions3 retained amenities · 1 development on the horizon
Inside this ZIP
Little Bennett Regional Park
Park

Large regional park with extensive hiking and equestrian trails.

Black Hill Regional Park
Park

Features Little Seneca Lake for boating, fishing, and picnic areas.

Clarksburg Premium Outlets
Shopping

Major regional shopping destination located within the community.

On the horizon · announced & under construction
Clarksburg Town CenterMixed-useOngoingContinued expansion of residential and retail space in the town center.
Sources · 5 cited

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