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Housing market/Maryland/ZIP 21771

ACS 2023 · FY2027 SAFMR

ZIP 21771 Mount Airy, Maryland

Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area · Maryland. Census housing stock, renter economics, HUD SAFMR, LIHTC, and population change. Not a listing page and not a buy/sell score.

Population
32,827
Households
10,879
Median HH income
$154,844
Renter share
7.1%
Median gross rent
$2,117
Vacancy
4.6%
Pop. change
+12.2%
2BR SAFMR
$2,580
SAFMR / rent
1.219×
2–49 unit stock
94
LIHTC proj / units
—
HUD assisted MF
—

ZIP brief

Email this profile

HUD schedule, ACS stock, and the 90–110% band for ZIP 21771 · MD — sent to you.

ZIP 21771 · MD

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ACS rent vs 2BR SAFMR

ZIP 21771 — Mount Airy, MD HUD Section 8 Payment Standards / SAFMR →
ACS median rent$2,117
2BR SAFMR$2,580
90% floor$2,322
110% ceiling$2,838

ACS median is all-bedroom occupied rent. SAFMR is the 2-bedroom HCV benchmark.

Housing stock

ACS 2023 units-in-structure · ZCTA 21771

  • 1-unit detached9,93887.3%
  • 1-unit attached1,0929.6%
  • 2–4 units810.7%
  • 5–49 units130.1%
  • 50+ units250.2%
  • Mobile2412.1%
TypeUnitsShare
1-unit detached9,93887.2%
1-unit attached1,0929.6%
2 units (duplex)600.5%
3–4 units210.2%
5–9 units00.0%
10–19 units00.0%
20–49 units130.1%
50+ units250.2%
Mobile2412.1%

2–4 unit share 0.7% · 5–49 unit share 0.1% · combined 2–49 0.8%.

Units by bedrooms

Studio
48
1BR
119
2BR
861
3BR
4,016
4BR
4,847
5+
1,510

Rent burden

Rent ≥30% of income31.1%
Rent ≥50% of income7.1%
  • ACS median gross rent $2,117 (all bedrooms, occupied rentals).
  • Median contract rent $1,873.
  • Renters paying ≥30% of income 31.1%; ≥50% 7.1%.
  • FY2027 2BR SAFMR $2,580 (1.219× ACS median gross rent).

Population

32,827 residents · ACS 2023

Change versus the 2018 ACS 5-year estimate: +12.2%.

ACS 5-year estimates lag current construction. This is not a forecast.

Assisted inventory

  • LIHTC: not published for this ZIP.
  • HUD project-based assisted MF: not published for this ZIP.
  • HCV household counts (Picture of Subsidized Households) are not on this page yet.

New apartment permits

About 713 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 21771 7.1% of occupied households are renters; vacancy is 4.6%; ACS median gross rent is $2,117; population increased +12.2% between the 2018 and 2023 ACS vintages; the housing stock includes 81 units in 2–4-unit structures and 13 units in 5–49-unit structures; FY2027 2BR SAFMR is $2,580 versus ACS median gross rent of $2,117. 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 21771 is a Census / HUD profile for Washington-Arlington-Alexandria, DC-VA-MD, MD. Not a listing page. Brokerage is Georgia; out-of-state work is referral.

ZIP 21771 — Mount Airy, MD HUD Section 8 Payment Standards / SAFMR·Maryland ZIP directory

Nearby ZIPs in this FMR area

ZIPPlaceRentersMed. rent2BR SAFMR
20001Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area66.3%$2,464$3,43020002Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area62.8%$2,140$2,87020003Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area61.5%$2,630$3,66020004Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area59.2%$2,945$3,53020005Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area70.8%$2,223$3,15020006Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area91.9%$2,035$2,38020007Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area42.6%$2,066$2,61020008Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area64.4%$2,202$3,49020009Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area65.4%$2,346$3,66020010Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area60.1%$1,815$2,55020011Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area46.1%$1,636$2,20020012Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area37.2%$1,638$1,970

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 21771?

ZIP 21771 (Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area) has 32,827 residents, 10,879 households, a renter share of 7.1%, median household income of $154,844, and ACS 2023 median gross rent of $2,117. Vacancy is 4.6%. These are ZCTA estimates, not a property rent roll.

How much small multifamily housing is in 21771?

ACS counts 60 units in 2-unit buildings, 21 in 3–4 unit buildings, 0 in 5–9, 0 in 10–19, and 13 in 20–49. Combined 2–49 unit stock is 94 units. This is occupied-and-vacant stock, not listings for sale.

What is the Section 8 rent in 21771?

The Housing Choice Voucher benchmark is the FY2027 Small Area FMR. 2-bedroom SAFMR is $2,580. See the full schedule and 90–110% payment-standard band on the ZIP 21771 — Mount Airy, MD HUD Section 8 Payment Standards / SAFMR.

Does this Maryland ZIP profile include Georgia listings?

No. ZIP 21771 is Census / HUD research for Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area. 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.