For FY 2027, HUD's Small Area Fair Market Rent for a two-bedroom unit in ZIP 22121 (Mount Vernon, VA) is $2,720 a month. That is up 9.2% from $2,490 in FY 2026. Mount Vernon is in the Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area, where HUD requires housing authorities to set voucher payment standards by ZIP code using Small Area FMRs. Among 71 ZIP codes in Fairfax County, 22121 is tied for the 35th-highest two-bedroom rent (county range $2,140–$3,660). The median county two-bedroom FMR in Virginia is $1,262, so ZIP 22121 is 116% above it.
FY 2027 rent by bedroom
FY 2027 fair market rent by bedroom for 22121
Bedrooms
FY 2026
FY 2027
Change
90–110% range
Studio
$2,170
$2,360
+8.8%
$2,124–$2,596
1BR
$2,230
$2,460
+10.3%
$2,214–$2,706
2BR
$2,490
$2,720
+9.2%
$2,448–$2,992
3BR
$3,140
$3,470
+10.5%
$3,123–$3,817
4BR
$3,690
$4,080
+10.6%
$3,672–$4,488
Fair market rent history, FY 2023–2027
Fair market rent by fiscal year for 22121
Fiscal year
Studio
1BR
2BR
3BR
4BR
FY 2027
$2,360
$2,460
$2,720
$3,470
$4,080
FY 2026
$2,170
$2,230
$2,490
$3,140
$3,690
FY 2025
$2,220
$2,270
$2,550
$3,190
$3,760
FY 2024
$1,940
$1,970
$2,240
$2,790
$3,300
FY 2023
$1,750
$1,780
$2,020
$2,530
$3,010
Two-bedroom rent in nearby Fairfax County ZIP codes
How much will Section 8 pay for a two-bedroom in ZIP 22121?
Housing authorities set voucher payment standards, normally between 90% and 110% of the FMR. With a two-bedroom FMR of $2,720, that basic range is $2,448 to $2,992 a month. The voucher pays the lower of the payment standard or the gross rent, minus the tenant's share, which is usually about 30% of adjusted monthly income. Confirm the local housing authority's current schedule before underwriting.
Which HUD fair market rent area is ZIP 22121 in?
ZIP 22121 is in the Washington-Arlington-Alexandria, DC-VA-MD HUD Metro FMR Area. HUD requires Small Area FMRs in this area, so payment standards are set by ZIP code.
How much did fair market rent change in ZIP 22121 for FY 2027?
The two-bedroom FMR rose 9.2%, from $2,490 in FY 2026 to $2,720 in FY 2027. Since FY 2023 it has risen 34.7%.
When do FY 2027 fair market rents take effect?
HUD's FY 2027 fair market rents took effect on October 1, 2026. When FMRs change, housing authorities generally have up to three months to bring payment standards back within 90% to 110% of the new FMR.
Source: HUD FY 2027 Small Area Fair Market Rents and area FMRs. Payment-standard ranges are 90% to 110% of FMR, HUD's basic range, not a housing authority's published schedule. How payment standards are set