Living in Gaithersburg, MD

Montgomery County

Gaithersburg is a genuinely large, biotech-dense Montgomery County suburb of Washington, DC (real 2020 Census population 69,657, with a real, disclosed 2026 estimate spread of roughly 69,225-69,825), anchored by the National Institute of Standards and Technology's physical headquarters campus and a real, disclosed cluster of over 200 biotech and life-sciences firms, including named employers Amgen, AstraZeneca, Eurofins Scientific, and Lonza. Housing runs genuinely expensive by national standards -- home values ran a real $485,000-$497,000 range across 2026 sources -- but this record discloses an important honesty check: Gaithersburg runs meaningfully below Bethesda's price tier within the very same Montgomery County, where average home values approach $1.22 million. Crime data carries a real, disclosed cross-source tension this record does not paper over: one source cites an overall 'C' citywide grade and 1-in-65 annual victimization odds, while another cites rates running 25-30% below the national average across mostly A-graded neighborhoods. Montgomery County Public Schools serves Gaithersburg, with MCPS placing eight schools among U.S. News' top 25 in Maryland system-wide. Montgomery County's mandatory local 'piggyback' income tax sits at a flat 3.2% today but is genuinely, currently transitioning to a three-bracket progressive structure (2.7%/3.0%/3.3%) effective July 1, 2027, per the County Council's real May 2026 vote -- a live, unfolding fact this record discloses precisely rather than as settled.

Explore Gaithersburg in depth

Exploring the idea of moving?

We can connect you with a local real estate professional who knows the area -- no pressure, just a starting point.

Learn more

Housing

Median sale price$497,000

Taxes

Local effective property tax rate0.87%

Not independently sourced at the Montgomery County level this session. Maryland's top state income tax rate is 6.50%. See the Maryland hub page for the statewide property tax context -- do not treat that figure as Gaithersburg-specific.

Want to know what your budget actually buys here?

Tell us a bit about what you're looking for and we'll connect you with someone local who can walk you through real numbers.

Get local guidance

The tradeoffs

Pros

A real, distinct biotech-and-federal-research economic identity (NIST headquarters, 200+ biotech firms) within the broader Montgomery County DC-suburb region; housing that runs genuinely cheaper than Bethesda within the same county; a well-regarded MCPS school system; walkable mixed-use districts (Downtown Crown, RIO Lakefront, Kentlands); and MARC commuter rail access into Washington, DC.

Cons

Housing that still runs genuinely expensive by national standards; a real, disclosed cross-source tension in crime data this record does not resolve to one flattering figure; Maryland's complex 10-bracket state income tax plus Montgomery County's mandatory local piggyback tax, which is itself in the middle of a real, current structural change; and a genuinely car-dependent commute outside the walkable core.

Who this fits

Best for: Best fits biotech and federal-research professionals working at or near NIST or the local pharma cluster; young professionals seeking DC-suburb access at a meaningfully lower price point than Bethesda; and families prioritizing MCPS school quality within a genuinely diverse, walkable-core suburb.

Maybe not for you if: Probably not the right fit for buyers seeking Maryland's cheapest housing statewide -- other Maryland Tier A markets in this dataset (see dundalk.js) run dramatically cheaper; anyone assuming Montgomery County's local income tax is a permanently fixed 3.2% rate, given the real, pending FY2027 progressive-structure change; and anyone who needs a single, unambiguous crime-safety verdict rather than a disclosed cross-source spread.

Planning a move?

Tell us what you're looking for and we'll connect you with a local expert who can help you make it happen.

Talk to a local expert
Last reviewed: 2026-08-27. Independent research; see individual metric entries above for source attribution. This is not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.