Zonescore.

We're still verifying City of Alexandria, VA's answers against the city code.

Alexandria zoning › OCM(100)

OCM(100)OCM / Office Commercial Medium

Alexandria, VA · Alexandria Zoning Ordinance

The OCM zone has two height subdistricts: OCM(50) at 50 feet and OCM(100) at 100 feet. By-right FAR is 1.50 in both subdistricts, for both nonresidential and residential uses (Sec. 4-905(C), Sec. 4-1005(C)); the prior '2.0 to 4.0' range had no ordinance support (corrected S162). Common near the Eisenhower Avenue Metro corridor and major employment centers. Office is the primary use; residential may be permitted by SUP in some subdistricts.

Development standards in OCM(100)

Front setbackDwellings (all types): Not computed here: the ordinance makes it depend on facts about the site4-1005(A)(2)(a)
Other principal uses: No requirement4-1005(A)(1)
Continuum of care facility, continuum of care facility: No requirement4-1005(A)(4)
Side setbackSingle-family detached and two-family: At least 0 ft if the lot width is less than 25 ft; otherwise the greater of 8 ft and the building height divided by 3 if the lot width is at least 25 ft4-1005(A)(2)(b)
Single-family attached, interior end lot: At least the greater of 8 ft and the building height divided by 3 if the lot width is more than 25 ft; otherwise 0 ft if the lot width is at most 25 ft4-1005(A)(2)(b)
Multifamily: At least 0 ft if the lot width is less than 25 ft; otherwise the greater of 16 ft and half of the building height if the lot width is at least 25 ft4-1005(A)(2)(b)
Single-family attached, ['interior', 'corner'] lot: No requirement4-1005(A)(2)(b)
Other principal uses: No requirement4-1005(A)(1)
Continuum of care facility, continuum of care facility: No requirement4-1005(A)(4)
Rear setbackDwellings (all types): At least the greater of 8 ft and the building height minus half of the width of the alley the lot abuts (0 if none)4-1005(A)(2)(c)
Other principal uses: No requirement4-1005(A)(1)
Continuum of care facility, continuum of care facility: No requirement4-1005(A)(4)
Maximum heightAt most 100 ft4-1005(D)
Maximum FAROther principal uses: At most 1.54-1005(C)(1)
Dwellings (all types): At most 1.54-1005(C)(2)
Continuum of care facility, continuum of care facility: At most 1.54-1005(C)(3)
Max densitySingle-family and two-family dwellings: At most 54.45 dwellings per acre4-1005(C)(2)
Minimum lot sizeSingle-family detached: At least 5,000 sq ft4-1005(E)
Two-family: At least 5,000 sq ft (2,500 times 2)4-1005(E)
Minimum lot widthSingle-family detached: At least 50 ft4-1005(F)
Two-family, duplex: At least 50 ft4-1005(F)
Two-family, semi-detached: At least 25 times the number of dwelling units4-1005(F)
Minimum open spaceDwellings (all types): At least 35%4-1005(B)(1)
Continuum of care facility, continuum of care facility: At least 25%4-1005(B)(2)
Other principal uses: No requirement4-1005(A)(1)
Each row above is the ordinance’s own rule, written out in words and cited to its section. Where a figure depends on what you build (the kind of building, a conventional or cluster subdivision, an interior or corner lot, or the building’s height), each case is its own line; where it depends on the building height, the cited table says how that height is measured.
Sec. 4-1005(C): 1.50 for both nonresidential and residential uses. No special-use-permit FAR increase.
Sec. 4-1005(D): 100 feet by right, with additional height up to 150 feet available by special use permit.
Read from City of Alexandria Zoning Ordinance, effective through 2026-01-24. We last checked with the publisher on 2026-09-24 and found nothing newer -- a check on that date, not a promise about today.
How complete is this market? Across 24,956 parcels we answer 69.7% of the 6 questions this site is built to answer, each with a source you can check. The rest are shown as “not recorded” rather than filled in — we would rather be short than wrong.

Permitted uses in OCM(100)

"Conditional" means the use generally requires a public hearing or special-exception approval — a very different timeline and risk profile from a by-right permit.

This is the zone. What about the parcel?

Zone rules are the starting point — the answer for a specific property also depends on lot size, overlays, existing improvements and site conditions. Run a free address lookup to see what applies to one property.

Look up an address

Sources

Values are read from the City of Alexandria Zoning Ordinance.

Other Alexandria zones

CC CD CDD CDD#1 CDD#10 CDD#16 CDD#5 CDD#9 CDX CG CL CR CRMU/H CRMU/L CRMU/M CRMU/X CSL I KR NR OC OCH OCM OCM(50) R-12 R-2-5 R-20 R-5 R-8 RA RB RC RCX RD RM RMF RS RT UT W-1