Bathroom vanities Cost Segregation: Renovation cost breakdown

Separate equipment, installation, retained construction, and project credits in a new improvement. A practical bathroom vanities guide for rental owners preparing a cost segregation study.

Component evidence · Published October 9, 2026 · Stratum editorial team

Practical evidence guide. Classification, basis, and usable deductions require property-specific analysis. Scenarios are hypothetical.

Start with the actual bathroom vanities

Separate movable storage from permanently installed fixtures and construction. A vanity package can contain several items with different functions.

For this review, identify cabinet, sink, counter, plumbing, mirror, and freestanding storage. The objective is to describe the property accurately enough that the analyst can distinguish separate assets and shared work. Record any difference between acquisition condition and the current installation.

Renovation cost breakdown workflow

A renovation study starts with what was actually bought, constructed, removed, and retained. Gather the original scope, approved changes, final invoices, and owner-direct purchases. The provider needs enough detail to distinguish work packages and allocate shared labor or indirect costs. A contractor can supply factual detail without deciding the recovery periods that the tax professional will evaluate.

Reconcile allowances and credits before combining contractor and owner records. An owner-direct purchase can replace an item in the builder's allowance rather than add another item to the project. Keep payments, deposits, refunds, and unfinished work separately visible. Ask the preparer to evaluate repair versus capitalization treatment and relevant service dates before a new component is entered into the tax schedule.

Details that matter for bathroom vanities

Photograph the cabinet's attachment and the sink connection. A freestanding appearance can still conceal permanently installed plumbing. Mirrors, movable storage, counters, and room finishes may have separate invoices even when purchased as a coordinated design. Identify which items were transferred in the original acquisition and which were later installed. A renovation replacing a vanity cabinet may retain the basin and supply lines. Give the reviewer that chronology so the report does not analyze retained fixtures as new purchases.

Evidence to collect for bathroom vanities

Start with bathroom invoice, fixture schedule, attachment photographs, and plumbing detail. Keep the original records and mark which portions of the component or project each document supports. An unexplained total should remain an open question rather than be divided into invented amounts.

FieldWhat to record
Component boundaryCabinet, sink, counter, plumbing, mirror, and freestanding storage
Primary recordsBathroom invoice, fixture schedule, attachment photographs, and plumbing detail
Location and ownershipProperty address, room or site location, owner entity, and any shared or third-party use.
Cost trailInvoice or acquisition-allocation reference; include credits, separately recorded items, and the estimation method if costs are reconstructed.
TimelineAcquisition, installation, availability for intended use, and later changes; retain the record supporting each relevant date.

A hypothetical bathroom vanities evidence problem

A remodel invoice groups the vanity with tile, plumbing, and decorative mirrors.

The unresolved question is: Does the final contractor total include the same item as an owner-direct purchase, allowance, or later credit? Give the reviewer the underlying records and identify the uncertainty explicitly. This example illustrates an evidence issue; it does not assign a tax life, estimate a deduction, or describe a completed Stratum client engagement.

Finish this review before implementation

Ask the contractor for a factual breakdown and reconcile the final net cost to the owner-direct purchases.

The study supplies property evidence and proposed classifications. The return analysis determines applicable depreciation methods, any bonus eligibility, loss limitations, state adjustments, and disposition consequences. Agree who resolves each outstanding issue and keep the accepted records with the final report.

References and scope

These references explain the underlying tax framework. The checklists and scenarios on this page are editorial tools for gathering evidence, not quotations or asset-specific rulings from the IRS. The audit guide is examination guidance, not an official pronouncement of law or certification of a provider. A return preparer must apply current authority to the particular property, taxpayer, and filing year.

Bring the evidence into a property review

Stratum documents the property. AE Tax Advisors can discuss how a study may fit your broader tax position. Confirm the engagement scope and filing responsibilities before work begins.

Discuss your property with AE Tax Advisors →

Focused implementation guides

Resolve the related evidence question before carrying a planning assumption into implementation.