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Buying a home in Gaithersburg, Maryland

The typical owner-occupied home in Gaithersburg is worth about $496,500, 18% above the Maryland median of $419,900 and 49% above the national median of $332,700. Owners pay a median $4,817 a year in property taxes, about 0.97% of their home's value, close to the Maryland rate of 0.97%. The median household earns $112,467 a year, so the median home costs 4.4 times the median income (4.1 times for Maryland). 51% of occupied homes here are lived in by their owners, and 73% of those owners still have a mortgage.

Gaithersburg at a glance

Gaithersburg Maryland U.S.
Median home value $496,500 $419,900 $332,700
Median property tax paid per year $4,817 $4,093 $3,119
Property tax as a share of value 0.97% 0.97% 0.94%
Median household income $112,467 $103,678 $80,734
Homes lived in by their owners 51% 68% 65%
Owner homes with a mortgage 73% 71% 61%
Median monthly costs, owners with a mortgage $2,777 $2,347 $1,963
Those costs as a share of the owners' income 21.2% 20.5% 21.0%
Median rent $2,058 $1,705 $1,413
Rent as a share of renters' income 29.5% 30.8% 30.6%
Median year homes were built 1989 1979 1980
Vacant homes 5.5% 7.7% 10.1%
Population 69,825 6,206,011 334,922,499

What a typical home costs per month in Gaithersburg

At this week's average 30-year rate of 7.11%, buying the median Gaithersburg home of $496,500 with 20% down costs about $3,280 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $4,107, because the loan is bigger and FHA adds mortgage insurance.

Lenders usually want housing costs under about 28% of gross income, which means an income of roughly $140,580 for the 20%-down payment. That payment is 35% of the median Gaithersburg household income of $112,467; at that income and 20% down, the 28% guideline points to a home of about $397,000.

The median rent here is $2,058 a month, so owning the median home costs about $1,222 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$99,300
Loan amount$397,200
Principal and interest$2,672
Property taxes (0.97% a year)$401
Homeowners insurance (our estimate, 0.5% a year)$207
PMI$0
Total per month$3,280

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3.5% down, 30-year FHA loan
Down payment$17,378
Loan amount$487,507
Principal and interest$3,279
Property taxes (0.97% a year)$401
Homeowners insurance (our estimate, 0.5% a year)$207
FHA mortgage insurance$220
Total per month$4,107

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Questions about home buying in Gaithersburg

What is the median home value in Gaithersburg?

About $496,500 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Gaithersburg?

Homeowners pay a median $4,817 a year, which is about 0.97% of the median home value. Your bill depends on your home's assessed value and local rates.

What income do you need to buy a home in Gaithersburg?

For the median home with 20% down at 7.11%, the payment is about $3,280 a month. Keeping that under 28% of gross income takes about $140,580 a year.

More about Gaithersburg

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates; Freddie Mac Primary Mortgage Market Survey, week of November 12, 2026. Estimates for small places have wide margins of error. About our data