STR Cost Segregation in Washington, DC, DC

Washington, DC STR cost segregation: separate the host’s operating license from an english-basement allocation. Review local resources, study records, and a property-specific planning example.

Stratum Cost Segregation · Updated September 27, 2026

Separate the host’s operating license from an English-basement allocation

DC’s Department of Licensing and Consumer Protection provides housing and lodging license resources. Confirm the license appropriate to the dwelling and actual operating arrangement before preparing a study engagement. DC housing and lodging licensing.

Define the property study

An English-basement rental may share utilities and internal stairs with an owner-occupied rowhouse. Mark private and shared areas and retain records of any conversion work. If the host is a tenant rather than the building owner, supply the lease and ownership terms for improvements and furnishings.

Records that resolve the main questions

A scoping example

An owner adds a kitchenette downstairs but retains an internal stairway and shared laundry for household use. Describe those connections instead of treating the suite as physically and financially independent in every respect.

Illustrative documentation scenario; not a completed client study or a savings estimate.

Can a separate exterior door establish the rental allocation?

No. Access is one fact. The preparer needs actual use and measurements, while the provider needs costs and system descriptions to support the property analysis.

Prepare for a Stratum study

Stratum provides nationwide property-study services, with discovery calls through AE Tax Advisors. Confirm the engagement scope, fee, evidence requirements, and CPA handoff. A service-area page does not represent a local office. Local operating approval and federal depreciation are separate questions.

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Local source checked September 27, 2026. Confirm current address-specific requirements with the relevant authority. This page provides planning information, not a determination of rental eligibility or tax treatment.

Discuss your property with AE Tax Advisors

Bring your acquisition records, rental-use history, and current depreciation schedule to discuss whether a Stratum study fits.

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