Rental Markets in Maryland
DoorBase tracks rental market data across Maryland by ZIP code. This state page is a crawlable index for investors comparing rents, cap-rate estimates, vacancy, demographics, home values, renter share, household income, and employment conditions before drilling into individual ZIP pages.
Maryland Rental Market Overview
The current sample of indexable Maryland ZIP markets shows average median rent of $2,031, average median home value of $447,197, average cap-rate high of 4.5%, average vacancy of 5.9%, renter ratio near 35.1%, and median household income around $105,207. These statewide figures are directional and should be used to compare markets before reviewing a specific ZIP code.
Maryland is not one rental market. Large cities, inner suburbs, commuter towns, college markets, rural counties, resort areas, and industrial corridors can produce very different rent levels and ownership economics. DoorBase keeps the canonical content at the ZIP level so investors can move from a broad state view into the most precise local data available.
Featured Maryland ZIP Markets
| ZIP | City | Rent | Cap Rate | Vacancy | Population |
| 20906 |
Silver Spring |
$1,962 |
2.4-4% |
4.3% |
71,216 |
| 20878 |
Gaithersburg |
$2,385 |
1.7-3.3% |
3.8% |
65,236 |
| 21234 |
Parkville |
$1,619 |
3.1-4.7% |
7.8% |
65,010 |
| 21740 |
Hagerstown |
$1,343 |
2.5-4.1% |
7.7% |
63,140 |
| 20874 |
Germantown |
$2,048 |
2.8-4.4% |
2.5% |
62,233 |
| 21122 |
Pasadena |
$2,496 |
3.1-4.7% |
3.8% |
61,589 |
| 21117 |
Owings Mills |
$1,882 |
2.7-4.3% |
6.3% |
61,337 |
| 21222 |
Dundalk |
$1,399 |
3.7-5.3% |
6.9% |
58,935 |
| 20904 |
Silver Spring |
$1,930 |
1.6-3.2% |
5% |
57,244 |
| 21061 |
Glen Burnie |
$1,669 |
2.4-4% |
4.4% |
56,453 |
| 20744 |
Fort Washington |
$1,701 |
1.9-3.5% |
6.1% |
56,236 |
| 20902 |
Silver Spring |
$2,043 |
1.9-3.5% |
4.1% |
53,170 |
| 20772 |
Upper Marlboro |
$2,629 |
3.2-4.8% |
3.8% |
52,768 |
| 20774 |
Upper Marlboro |
$2,199 |
2.6-4.2% |
4.3% |
52,221 |
| 21215 |
Baltimore |
$1,321 |
5.2-6.8% |
15.6% |
52,078 |
| 20783 |
Hyattsville |
$1,766 |
2.4-4% |
3.7% |
50,893 |
| 20850 |
Rockville |
$2,488 |
1.8-3.4% |
6% |
50,365 |
| 21206 |
Baltimore |
$1,563 |
4.3-5.9% |
6.8% |
49,901 |
| 20854 |
Potomac |
$4,488 |
1.8-3.4% |
3.4% |
49,694 |
| 21207 |
Baltimore |
$1,448 |
2.8-4.4% |
6.5% |
49,599 |
| 21228 |
Catonsville |
$1,695 |
2.1-3.7% |
3.6% |
49,417 |
| 20852 |
Rockville |
$2,306 |
2.3-3.9% |
6% |
47,857 |
| 21702 |
Frederick |
$1,982 |
2.3-3.9% |
5.1% |
47,437 |
| 21043 |
Ellicott City |
$2,522 |
2.1-3.7% |
4.1% |
47,134 |
| 21224 |
Baltimore |
$2,182 |
5.9-7.5% |
13.3% |
46,949 |
| 21921 |
Elkton |
$1,930 |
2.9-4.5% |
6.9% |
45,698 |
| 20910 |
Silver Spring |
$1,974 |
1.4-3% |
4.9% |
45,096 |
| 21218 |
Baltimore |
$1,441 |
4.8-6.4% |
15.7% |
44,903 |
| 21044 |
Columbia |
$2,324 |
2.3-3.9% |
7% |
44,775 |
| 21229 |
Baltimore |
$1,566 |
5.7-7.3% |
10.3% |
44,687 |
| 21221 |
Essex |
$1,658 |
3.3-4.9% |
6.6% |
43,536 |
| 20706 |
Lanham |
$2,020 |
2.6-4.2% |
4.1% |
43,225 |
| 21042 |
Ellicott City |
$3,021 |
1.9-3.5% |
2% |
43,021 |
| 21220 |
Middle River |
$1,670 |
2.8-4.4% |
9.7% |
42,936 |
| 21502 |
Cumberland |
$1,000 |
3.8-5.4% |
14.8% |
41,810 |
| 21703 |
Frederick |
$2,277 |
3.2-4.8% |
3.4% |
41,766 |
| 21701 |
Frederick |
$2,233 |
2.8-4.4% |
6.6% |
41,340 |
| 20785 |
Hyattsville |
$2,115 |
3.6-5.2% |
4.5% |
40,946 |
| 21045 |
Columbia |
$2,188 |
2.5-4.1% |
2.9% |
40,866 |
| 21157 |
Westminster |
$1,680 |
1.8-3.4% |
5.3% |
40,191 |
| 20748 |
Temple Hills |
$1,545 |
2.3-3.9% |
4.3% |
40,094 |
| 21236 |
Baltimore |
$1,744 |
3-4.6% |
3.9% |
39,653 |
| 21244 |
Windsor Mill |
$1,504 |
2.5-4.1% |
4.2% |
39,545 |
| 21804 |
Salisbury |
$1,613 |
3.8-5.4% |
9% |
39,461 |
| 20743 |
Capitol Heights |
$1,930 |
3.4-5% |
5.7% |
39,439 |
| 21060 |
Glen Burnie |
$1,656 |
2.1-3.7% |
1.8% |
39,225 |
| 21401 |
Annapolis |
$2,392 |
1.9-3.5% |
6.8% |
39,118 |
| 20877 |
Gaithersburg |
$2,037 |
2.3-3.9% |
5.3% |
39,068 |
| 21093 |
Lutherville Timonium |
$2,071 |
2.1-3.7% |
4% |
38,895 |
| 21208 |
Baltimore |
$2,255 |
3.5-5.1% |
5.1% |
38,108 |
| 21113 |
Odenton |
$2,485 |
3-4.6% |
3.8% |
38,053 |
| 21014 |
Bel Air |
$1,987 |
2.4-4% |
2.7% |
37,976 |
| 20735 |
Clinton |
$3,099 |
4.3-5.9% |
2.6% |
37,926 |
| 20747 |
District Heights |
$1,694 |
2.8-4.4% |
7.5% |
37,924 |
| 21784 |
Sykesville |
$2,145 |
2-3.6% |
3.3% |
37,813 |
| 20817 |
Bethesda |
$3,227 |
1-2.6% |
5.4% |
37,738 |
| 21144 |
Severn |
$2,344 |
2.4-4% |
3.8% |
37,372 |
| 20901 |
Silver Spring |
$1,922 |
1.6-3.2% |
2.1% |
37,338 |
| 21075 |
Elkridge |
$2,387 |
2.7-4.3% |
1.8% |
37,146 |
| 20740 |
College Park |
$1,970 |
2.5-4.1% |
10.8% |
36,564 |
Notable ZIP Markets in This Sample
The highest estimated cap-rate band in this sample tops out at 12.9% in ZIP 21217 (Baltimore).
The lowest vacancy in this sample is 1.8% in ZIP 21060 (Glen Burnie).
The highest median rent in this sample is $4,488 in ZIP 20854 (Potomac).
The highest median household income in this sample is $250,001 in ZIP 20854 (Potomac).
Rental Markets by City
Baltimore
Baltimore has 13 ZIP codes in this sample. Median rents range from $1,321 to $2,255. Estimated cap-rate bands reach up to 12.9% at the high end. Vacancy averages 10.6%. See ZIP 21215 for the full market profile.
Silver Spring
Silver Spring has 5 ZIP codes in this sample. Median rents range from $1,922 to $2,043. Estimated cap-rate bands reach up to 4.0% at the high end. Vacancy averages 4.1%. See ZIP 20906 for the full market profile.
Hyattsville
Hyattsville has 4 ZIP codes in this sample. Median rents range from $1,579 to $2,115. Estimated cap-rate bands reach up to 5.2% at the high end. Vacancy averages 4.7%. See ZIP 20783 for the full market profile.
Frederick
Frederick has 3 ZIP codes in this sample. Median rents range from $1,982 to $2,277. Estimated cap-rate bands reach up to 4.8% at the high end. Vacancy averages 5.0%. See ZIP 21702 for the full market profile.
Rockville
Rockville has 3 ZIP codes in this sample. Median rents range from $2,306 to $3,144. Estimated cap-rate bands reach up to 4.4% at the high end. Vacancy averages 5.0%. See ZIP 20850 for the full market profile.
Upper Marlboro
Upper Marlboro has 2 ZIP codes in this sample. Median rents range from $2,199 to $2,629. Estimated cap-rate bands reach up to 4.8% at the high end. Vacancy averages 4.0%. See ZIP 20772 for the full market profile.
Gaithersburg
Gaithersburg has 2 ZIP codes in this sample. Median rents range from $2,037 to $2,385. Estimated cap-rate bands reach up to 3.9% at the high end. Vacancy averages 4.5%. See ZIP 20878 for the full market profile.
Hagerstown
Hagerstown has 2 ZIP codes in this sample. Median rents range from $1,343 to $1,617. Estimated cap-rate bands reach up to 4.2% at the high end. Vacancy averages 6.7%. See ZIP 21740 for the full market profile.
Glen Burnie
Glen Burnie has 2 ZIP codes in this sample. Median rents range from $1,656 to $1,669. Estimated cap-rate bands reach up to 4.0% at the high end. Vacancy averages 3.1%. See ZIP 21061 for the full market profile.
Ellicott City
Ellicott City has 2 ZIP codes in this sample. Median rents range from $2,522 to $3,021. Estimated cap-rate bands reach up to 3.7% at the high end. Vacancy averages 3.0%. See ZIP 21043 for the full market profile.
Columbia
Columbia has 2 ZIP codes in this sample. Median rents range from $2,188 to $2,324. Estimated cap-rate bands reach up to 4.1% at the high end. Vacancy averages 5.0%. See ZIP 21044 for the full market profile.
Laurel
Laurel has 2 ZIP codes in this sample. Median rents range from $2,009 to $2,377. Estimated cap-rate bands reach up to 4.3% at the high end. Vacancy averages 4.7%. See ZIP 20707 for the full market profile.
How to Use the Maryland Directory
Start with the state page to understand the range of rental markets, then open individual ZIP pages for the numbers that matter most to underwriting. A state average can hide important local differences. One ZIP may have stronger rent growth and lower vacancy while a nearby ZIP has better purchase prices but weaker renter demand.
The most useful investor workflow is to compare rent, cap rate, vacancy, home value, renter ratio, household income, population growth, unemployment, and job growth together. No single number is enough. A high cap-rate estimate can be offset by weak income, high vacancy, or limited tenant demand. A lower cap-rate estimate can still make sense if the market has strong income, job growth, and durable renter demand.
State Coverage and Internal Links
This page links into the canonical ZIP URL structure, such as /rentals/md/30318, without bringing back city parent pages. That structure keeps DoorBase clean for search engines: state pages organize the directory, ZIP pages hold the canonical data, and future market guides can exist separately as heavier editorial SEO hubs.
DoorBase currently tracks 80 sampled ZIP markets across 49 Maryland cities in this crawlable state summary. The live React page may show a broader interactive directory after JavaScript loads, while this fallback body ensures crawlers receive meaningful text and links immediately.
Related DoorBase Pages