How Long a Study Takes and What You Provide

Owners are often surprised by how much of a study's schedule depends on them. The provider's part is analysis and writing. Your part is documents and access. Being ready shortens the process and reduces cost.

A general sense of duration

Timelines vary by provider, property, and season. A lighter, desktop approach may take days to a few weeks. A detailed engineering-based study with a site visit commonly takes several weeks, and large or complex properties may take longer. Waiting for documents is a common cause of delay. Ask each provider for an estimated timeline and what it assumes.

What to gather

For an acquired property:

• Closing statement and any appraisal.
• Purchase agreement, including any allocation of price.
• Property tax assessment notices, which sometimes separate land and improvements.
• Inspection reports.
• Photographs.
• Prior depreciation schedules if you are catching up. See Catch-Up Depreciation With Form 3115.

For new construction or renovation:

• Contracts, change orders, and pay applications.
• Invoices from contractors and suppliers.
• Architect and engineer fees.
• Permits and certificates of occupancy.
• Drawings and specifications.

For a furnished or equipped property:

• Receipts for furniture, appliances, and equipment.
• A list of items included in the purchase.

Access

For a site visit, the provider needs access to the interior and exterior of the property, including mechanical rooms, roofs where safe, and unit interiors as appropriate. Coordinate with tenants and property managers. Tell the provider about any safety issues.

Decisions you may need to make

• Whether to include all buildings or only some.
• How to treat items sold with the property, such as furnishings.
• Whether to have the provider include support for a method change.
• Deadlines and desired delivery date.

Questions you may be asked

Expect questions about renovations, replaced components, and recent repairs. The provider needs to know what is original and what was changed. Clear answers help avoid errors.

Typical bottlenecks

• Waiting for missing invoices.
• Scheduling access to occupied units.
• Disagreement over land allocation. See Land Versus Building Allocation and Why It Comes First.
• Late decisions about the scope.

Managing the relationship

Confirm the scope and timeline in writing. Keep a single point of contact. Ask for a draft to review before the final. Share the draft with your tax preparer. See What a Cost Segregation Report Should Contain.

Working backward from a deadline

If you need the study for a return due on a certain date, work backward. Allow time for the preparer to incorporate the study. Allow time for review and questions. Allow buffer for delays. If you are close, consider an extension. See Tax Year-End Timing and Study Deadlines.

Cost of rushing

Rush work may cost more and can limit the review time. If you have a choice, plan ahead. See What Drives the Price of a Cost Segregation Study.

Keeping records afterward

Store everything you provided along with the report. If audited later, your documents are evidence. See Audit Defense and Documentation for Cost Segregation.

A sample document request list

Most providers send a list. It may include: closing statement, deed, purchase agreement, inspection report, appraisal, property tax assessment, prior depreciation schedule, list of renovations with dates and costs, contractor invoices, floor plans, unit counts and sizes, list of amenities, list of tenants and leases if relevant, and contact for site access. Providing as much as you can at the start shortens the process. If some documents do not exist, say so. Providers can work with estimates, but they need to know what is missing.

Making the site visit easier

Tell tenants in advance and coordinate access. Provide keys or codes. Mention any hazards. Have the property manager available. Provide a floor plan or a list of unit types. If units are similar, the provider may ask to see representative ones. Share any history of renovation by unit so the provider can identify differences.

What to do when the report arrives

Read the executive summary first, then the asset schedule, then the methodology. Compare the total to your cost basis. Send the report to your preparer with a request to review. Note questions and send them to the provider in one batch. Keep a record of the questions and the answers.

After delivery

Confirm that the provider will retain the files, and ask whether updates are available when you renovate or sell. Keep everything with the return files. See Audit Defense and Documentation for Cost Segregation.

If your records are incomplete

Say so early. A provider can use cost data to estimate missing items, but will want to know which items are estimated, and the report should say so. Try to obtain records from the seller, the title company, the contractor, or the municipality's permit office. Even partial records improve the analysis.

Communication rhythm that works

Agree at the start how often you will check in. Weekly short emails are common for larger engagements. Ask the provider to flag issues early, such as missing documents or classification questions that need your input. Respond within a few days, since silence is the most common cause of delay. Keep a list of open items and close them one by one.

Next steps

Use A Month-by-Month Planning Calendar for the Purchase Year to place these tasks on a timeline.