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 20879 sells for about $450,000, or $285 per square foot.

Prices are up +3.2% 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 $1,942 a month.

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

ZIP 20879 — Gaithersburg

Montgomery County →refreshed Sep 16, 2026next refresh Oct 16, 2026
Market mood · cautiously optimistic

The 20879 housing market remains stable with moderate price appreciation and low inventory levels. Demand is supported by the area's strong employment base in the biotech sector, though high interest rates continue to temper buyer activity.

Who this ZIP fits

This ZIP code is ideal for families and professionals seeking a balance between suburban living and access to the D.C. metro area's employment hubs, offering a mix of townhomes and single-family residences.

Parent geography
Gaithersburg · no city intel reportMontgomery County →Maryland state →
Aerial view · ZIP boundaries2020 Census ZCTA boundary over current aerial imagery
Leaflet Imagery © Esri, Maxar, Earthstar Geographics
Land area · 22.3 km²Water area · 0.1 km²U.S. Census Bureau TIGERweb — 2020 Census ZCTA5 boundary
Median sale price
$450,000
+3.2% year over year
Corroborated · 1 anchor · 0% off nearest
Days on market
22 days
Active listings
115
Listings with price cuts
28%
share of active listings
Sale-to-list ratio
100.5%
of asking price
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
76
Composite · average of graded sections
Computed only from this report's published readings — sections without data are excluded, never estimated.
66
Growth/100

Median prices moved up 3.2% year over year.

92
Liquidity/100

Homes spend a median of 22 days on market with 1.8 months of supply — a fast-moving market.

68
Momentum/100

28% of listings have cut prices · homes sell at 100.5% of asking — demand is running ahead of supply.

77
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 7.6% · poverty 7.5% — a stable, low-distress profile.

Median price · ten-year history

Researched annual trajectory for this ZIP, from published historical series

2016201720182019202020212022202320242025202620282030$280,000$350,000$420,000$490,000$560,000

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.

Property tax · ten-year history

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

2016201720182019202020212022202320242025202620282030$3,200$4,000$4,800$5,600$6,400

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 4.4%/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
+150 people

net influx — more people moved in than out

Population base
25,264

ZCTA 20879

Immigration & foreign-bornU.S. Census Bureau ACS · ZIP granular
Foreign-born share
37.2%
Foreign-born residents
9,387
Naturalized (of foreign-born)
58.4%
Non-citizens (of population)
15.4%
Entered 2010 or later (of foreign-born)
30%
World region of birth (foreign-born)
Americas
46.2%
Asia
31.8%
Africa
19.3%
Europe
2.7%
Oceania
0.1%

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
Crime & safety

Crime rates in the Gaithersburg area are generally considered moderate, with property crime being the primary concern compared to violent crime. The area tracks closely with regional averages for Montgomery County.

Schools & education

Schools serving the 20879 ZIP code are part of the Montgomery County Public Schools system, which is highly regarded for its academic performance and diverse student body.

Environmental & hazard

The area faces low to moderate risk from natural hazards, primarily related to localized heavy rainfall and potential flooding in low-lying areas near streams.

Growth & development

The area benefits from proximity to major biotech and federal employment hubs in Gaithersburg and Rockville, with ongoing transit-oriented development projects enhancing local infrastructure.

Taxation

Property taxes are assessed by Montgomery County, which utilizes a base rate plus local municipal taxes; homeowners may qualify for the Maryland Homestead Property Tax Credit to limit annual assessment increases.

Transportation & commute

Residents typically face a 30-35 minute commute to major employment centers in Bethesda or Washington, D.C., utilizing I-270 or the MARC train service.

Recreation & amenities

The area features extensive access to local parks such as Seneca Creek State Park and various community trails, alongside proximity to major shopping centers like Lakeforest Mall.

Rental market

The rental market is competitive with low vacancy rates, driven by high demand from professionals working in the nearby technology and government sectors.

Economy & employers

The economy is anchored by the biotechnology, life sciences, and federal government sectors, with major employers including AstraZeneca and various NIH-affiliated research facilities.

Transportation & infrastructure

The area is served by the I-270 corridor and Ride On bus services, providing connectivity to the Shady Grove Metro station.

Development pipeline

Ongoing redevelopment of older retail centers into mixed-use residential projects is a primary focus of local planning efforts.

County appraisal district

The Montgomery County Department of Finance handles property assessments, which are conducted on a three-year cycle.

Special districts

Parcels are subject to Montgomery County Public Schools taxes and various special taxing districts for infrastructure maintenance.

Insurance & hazard market

Property insurance premiums are stable, though homeowners are encouraged to maintain flood insurance due to proximity to local watersheds.

Discovery profileACS 2024 5-year estimates
Census profile · ZCTA 20879
Population
25,264
Median age
36.4 yrs
Owner-occupancy
68.2%
Median home value
$433,500
Median gross rent
$1,950
Median household income
$112,104
Median year built
1985
Vacancy rate
3.2%
Renter share
31.8%
Owner cost burden
28.5%
Renter cost burden
42.1%
Population change
+1.2%
Net migration
150
Work-from-home share
22.5%
Mean commute
31.3 min
Bachelor's or higher
48.2%
Unemployment
7.6%
Poverty rate
7.5%
Avg household size
2.85
White
45.2%
Black
22.1%
Hispanic
21.5%
Asian
8.4%
Other
2.8%

Data retrieved from Census Reporter and ACS 2024 profiles.

Public schools with an address here · 2

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.

Gaithersburg High SchoolHigh7/10Montgomery County Public SchoolsLarge comprehensive high school serving the area.
Watkins Mill ElementaryElementary6/10Montgomery County Public SchoolsServes the local residential community.
School districts
Montgomery County Public SchoolsA-Large, highly-rated district serving the entire county.
Utilities & services
InternetXfinity/Verizon FiosBroadband availability is high throughout the ZIP.
ElectricPepcoPrimary electricity provider for the region.
Water/SewerWSSC WaterRegional water and wastewater utility.
Major employers & industries
AstraZenecaBiotechnologyMajor regional employer with a large campus nearby.
National Institutes of HealthGovernment/ResearchSignificant employer for the broader Montgomery County area.
Major amenities · ZIP 20879
Theme, amusement & water parks
19 · 20 mi
Entertainment venues, stadiums & amphitheaters
12 · 20 mi
Family fun & things to do
20+ · 13 mi
Museums, galleries & history
19 · 20 mi
Parks, trails & nature
20+ · 13 mi
Shopping & dining districts
9 · 13 mi

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

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

Large state park offering hiking, boating, and picnic areas.

Gaithersburg Community Museum
Museum

Local history museum located in the historic train station.

Montgomery Village Center
Shopping

Major retail and dining hub serving the local community.

On the horizon · announced & under construction
Crown Farm DevelopmentMixed-useCompleted/OngoingLarge-scale mixed-use community featuring residential, retail, and office space.
Sources · 4 cited

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