Housing market/Maryland/ZIP 21231
ZIP 21231 Baltimore, Maryland
Baltimore-Columbia-Towson, MD MSA · Maryland. Census housing stock, renter economics, HUD SAFMR, LIHTC, and population change. Not a listing page and not a buy/sell score.
ZIP brief
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HUD schedule, ACS stock, and the 90–110% band for ZIP 21231 · MD — sent to you.
ZIP 21231 · MD
ACS rent vs 2BR SAFMR
ZIP 21231 — Baltimore, MD HUD Section 8 Payment Standards / SAFMR →ACS median is all-bedroom occupied rent. SAFMR is the 2-bedroom HCV benchmark.
Housing stock
ACS 2023 units-in-structure · ZCTA 21231
- 1-unit detached3023.2%
- 1-unit attached4,45447.7%
- 2–4 units1,28213.7%
- 5–49 units1,19812.8%
- 50+ units2,10022.5%
- Mobile60.1%
2–4 unit share 13.7% · 5–49 unit share 12.8% · combined 2–49 26.5%.
Units by bedrooms
Rent burden
- ACS median gross rent $1,710 (all bedrooms, occupied rentals).
- Median contract rent $1,571.
- Renters paying ≥30% of income 41.1%; ≥50% 20.0%.
- FY2027 2BR SAFMR $2,370 (1.386× ACS median gross rent).
Population
14,556 residents · ACS 2023
Change versus the 2018 ACS 5-year estimate: -9.9%.
ACS 5-year estimates lag current construction. This is not a forecast.
Assisted inventory
- LIHTC: 7 projects, 360 units.
- HUD project-based assisted MF: 3 properties, 344 assisted units.
- HCV household counts (Picture of Subsidized Households) are not on this page yet.
New apartment permits
About 289 new apartments in 5+ unit buildings may have been permitted in this ZIP’s share of the county. That is units (doors), not a building count.
Cities and counties report building permits to the Census. Apartment counts are for the whole county, not a project list in this ZIP.
What the data shows
ZIP 21231 65.0% of occupied households are renters; vacancy is 16.6%; ACS median gross rent is $1,710; population changed -9.9% between the 2018 and 2023 ACS vintages; the housing stock includes 1,282 units in 2–4-unit structures and 1,198 units in 5–49-unit structures; 7 LIHTC projects totaling 360 units; FY2027 2BR SAFMR is $2,370 versus ACS median gross rent of $1,710. These figures describe the underlying housing market, not the cash flow of any one property. Asking rents, expenses, condition, taxes, insurance, and the rent roll have to be underwritten separately.
Maryland research
ZIP 21231 is a Census / HUD profile for Baltimore-Columbia-Towson, MD. Not a listing page. Brokerage is Georgia; out-of-state work is referral.
ZIP 21231 — Baltimore, MD HUD Section 8 Payment Standards / SAFMR·Maryland ZIP directory
Nearby ZIPs in this FMR area
Census ZIP areas approximate mail ZIPs. Sources: Census ACS 5-year 2023, HUD FY2027 Small Area FMR, HUD LIHTC and assisted multifamily lists, Census building permits (county). This page is Maryland research. Brokerage is Georgia.
FAQ
What is the housing market like in ZIP 21231?
ZIP 21231 (Baltimore-Columbia-Towson, MD MSA) has 14,556 residents, 7,789 households, a renter share of 65.0%, median household income of $85,382, and ACS 2023 median gross rent of $1,710. Vacancy is 16.6%. These are ZCTA estimates, not a property rent roll.
How much small multifamily housing is in 21231?
ACS counts 719 units in 2-unit buildings, 563 in 3–4 unit buildings, 461 in 5–9, 345 in 10–19, and 392 in 20–49. Combined 2–49 unit stock is 2,480 units. This is occupied-and-vacant stock, not listings for sale.
What is the Section 8 rent in 21231?
The Housing Choice Voucher benchmark is the FY2027 Small Area FMR. 2-bedroom SAFMR is $2,370. See the full schedule and 90–110% payment-standard band on the ZIP 21231 — Baltimore, MD HUD Section 8 Payment Standards / SAFMR.
Does this Maryland ZIP profile include Georgia listings?
No. ZIP 21231 is Census / HUD research for Baltimore-Columbia-Towson, MD MSA. Jeff Crowe CRE does not list Maryland property. Licensed brokerage is Georgia. If you use this stock table and then buy in Georgia, live FMLS Residential Income is on multifamily for sale in Georgia.