ZIP Code 21231 — Baltimore, MD Home Prices (2026)

The typical home in ZIP 21231 (Baltimore, Maryland) is worth about $301,000 at roughly $228 per square foot — 36% more expensive than the Baltimore median and 2% more expensive than the typical U.S. home.

$301,000

Typical home value

$228

Price per sq ft

#5 of 21

Baltimore ZIPs by value

+36%

vs Baltimore median

How 21231 compares

ZIP 21231 is one of the pricier ZIP codes in Baltimore: its typical home value of $301,000 ranks #5 of the 21 Baltimore ZIP codes we track (the citywide range runs from $68,000 in 21223 to $493,000 in 21210). Per square foot it costs about $228, against $168 for Baltimore as a whole, $233 for Maryland, and $195 nationally.

Area	Typical value	$ / sq ft
ZIP 21231	$301,000	$228
Baltimore, MD	$221,000	$168
Maryland	$451,500	$233
United States	$294,000	$195

Home value by size in 21231

Using this ZIP’s rate of about $228 per square foot. Condition, lot, and the exact street move these meaningfully — use the estimator below for a home-specific figure.

Home size	Estimated value
1,000 sq ft	$228,000
1,500 sq ft	$342,000
2,000 sq ft	$456,000
2,500 sq ft	$570,000
3,000 sq ft	$684,000

Salary needed to buy a home in ZIP 21231

To buy the typical $301,000 home in ZIP 21231 with 20% down, you need a household income of roughly $82,000 a year (about $1,910 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $97,000, because the loan is bigger and mortgage insurance kicks in.

Down payment	Cash down	Monthly payment	Income needed
5% (+PMI)	$15,100	$2,370/mo	$102,000/yr
10% (+PMI)	$30,100	$2,270/mo	$97,000/yr
20%	$60,200	$1,910/mo	$82,000/yr

Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.

What your budget buys in ZIP 21231

At about $228 per square foot, here is roughly how much home different budgets get you in ZIP 21231:

Budget	Approx. size	What that looks like locally
$150k	660 sq ft	below the local median — condos, smaller or older homes
$200k	880 sq ft	below the local median — condos, smaller or older homes
$250k	1100 sq ft	around the typical home here
$300k	1320 sq ft	around the typical home here
$400k	1750 sq ft	above the median — larger homes or the pricier ZIPs

Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens pre-filled with a typical 21231 home.

Estimate a specific home in 21231

The estimator below is pre-set to ZIP 21231 — pick your home’s size for an instant ballpark, then open the full calculator to adjust beds, baths, and condition.

All Baltimore ZIP codes by home value

Where 21231 sits among Baltimore’s 21 ZIP codes:

#	ZIP code	Typical value	$ / sq ft
1	21210	$493,000	$240
2	21209	$455,000	$217
3	21212	$347,000	$174
4	21226	$318,000	$200
5	21231 (this page)	$301,000	$228
6	21211	$286,000	$240
7	21230	$276,000	$222
8	21214	$261,000	$165
9	21224	$241,000	$201
10	21206	$224,000	$160
11	21201	$221,000	$190
12	21239	$219,000	$168
13	21218	$187,000	$147
14	21202	$181,000	$191
15	21229	$176,000	$141
16	21215	$160,000	$131
17	21213	$118,000	$125
18	21216	$117,000	$107
19	21205	$109,000	$141
20	21217	$91,000	$108
21	21223	$68,000	$100

ZIP 21231 home prices: frequently asked

What is the average home price in ZIP code 21231? +

The typical home in ZIP 21231 (Baltimore, MD) is worth about $301,000 as of 2026. That is 36% more expensive than the Baltimore median of $221,000 and 2% more expensive than the U.S. median of $294,000.

What is the price per square foot in 21231? +

About $228 per square foot in 21231, versus $168 across Baltimore and $233 across Maryland. At that rate a 1,500 sq ft home runs roughly $342,000 and a 2,500 sq ft home about $570,000.

What salary do you need to buy a house in ZIP 21231? +

For the typical $301,000 home in ZIP 21231, a household income of about $82,000 a year covers the payment with 20% down (a 30-year fixed at 6.5%, plus taxes and insurance, under the 28% rule). With 10% down you need roughly $97,000; with 5% down about $102,000.

Is 21231 an expensive ZIP code? +

Within Baltimore, 21231 ranks #5 of 21 ZIP codes by typical home value, which makes it one of the pricier ZIP codes in Baltimore. Nationally it is about average.

See the full Baltimore home values page, all Maryland cities, or price per square foot by ZIP code nationwide.

Directional estimates from public market data (Realtor.com & Zillow research), not appraisals. A single ZIP contains very different homes; actual values vary and change over time.