Alexandria does not charge general residential impact fees on ADUs because Virginia state law tightly limits municipal impact-fee authority. Costs are limited to Code Administration building permit fees, Virginia American Water connection fees, and AlexRenew wastewater connection fees. Cash proffers apply only in connection with rezoning, not as-of-right ADU permits.
Virginia is among the most restrictive states for municipal impact fees. Va. Code §§15.2-2317 through 15.2-2329 (Road Impact Fees Act) authorizes road impact fees only for designated high-growth localities meeting specific population and density criteria — Alexandria does not impose road impact fees on ADUs. Va. Code §§15.2-2298 through 15.2-2303.4 (Cash Proffer System) authorizes cash proffers only in connection with rezoning, not on as-of-right ADU additions. Project costs for an Alexandria ADU are typically: (1) Code Administration building permit fees per the City Fee Schedule (scaled to construction valuation, typically $0.50-1.00 per square foot for residential); (2) zoning permit and plan review fees through Planning and Zoning; (3) Virginia American Water (the investor-owned utility serving Alexandria) connection fees only if a new water service or meter is installed — shared service with the principal dwelling avoids these; (4) Alexandria Renew Enterprises (AlexRenew, the regional wastewater authority that took over the city's plant in 1952 and is governed by an independent board) sanitary sewer connection fees and System Development Charges, typically several thousand dollars per equivalent dwelling unit; ADUs may qualify for reduced ERU calculations; (5) stormwater utility fees and Chesapeake Bay Preservation Act compliance costs if new impervious surface exceeds thresholds; (6) gas service connection fees through Washington Gas Light Company when applicable. Property taxes are reassessed by the Alexandria Real Estate Assessor. The City's Affordable Housing Linkage Fee on commercial development does not apply to residential ADUs. Alexandria adopted the Zoning for Housing reforms in 2023 partly to remove cost-of-construction barriers; further fee waivers for income-restricted ADUs may be available through the Office of Housing.
Building without permits to avoid fees: stop-work orders from Code Administration, double permit fees on after-the-fact applications, and possible mandatory exposure of concealed work. Unpaid Virginia American Water charges block service connection. Unpaid AlexRenew System Development Charges block sewer connection. Chesapeake Bay Act stormwater violations can carry substantial Virginia DEQ civil penalties under Va. Code §62.1-44.15:74.
Alexandria, VA
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Alexandria, VA
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Alexandria, VA
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Alexandria, VA
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Alexandria, VA
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Alexandria, VA
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See how Alexandria's adu impact fees rules stack up against other locations.
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