# What a cost segregation job involves The day-to-day of cost segregation work: documents, site visits, take-offs, classification memos, reconciliation, reports and review, and what employers ask for. ## Short answer A cost segregation job is document work, field work and writing, in roughly that order of hours. Most days are spent requesting and indexing records, reading drawings, measuring and pricing components, deciding and documenting classifications, reconciling totals, and writing reports that someone else will review. Site visits are a small share of the time but shape everything after them. The work rewards people who like evidence, are comfortable with both a tape measure and the Internal Revenue Code, and can write for a reader who was not in the room. This article describes the job as it is actually done, what employers ask for, and what the work is and is not like. It contains no salary figures, because NBCSS has not measured them and will not repeat aggregator numbers. It is general education, not career advice. ## A week in the work | Activity | Share of time, roughly | What it produces | |---|---|---| | Document requests, indexing and reading | Large | The document index; the basis; the land split; the prior schedule | | Drawing review and take-offs | Large | Quantities keyed to drawings or field notes | | Site visits and interviews | Small but decisive | Photographs, field measurements, what serves what | | Costing and indirect cost allocation | Medium | Unit costs with sources; the indirect cost schedule | | Classification memos | Medium | A reason, with authority, for each class | | Reconciliation | Small, repeated | The tie to basis and ledger | | Report writing | Medium | Methodology, limitations, asset list, legal analysis | | Review, of your work or others' | Medium | Findings and responses | | Client and adviser calls | Small | Scope, questions, delivery | The shares shift with the role. Field analysts spend more time on site and in drawings; classification leads spend more time in the law and in memos; reviewers spend their days reading other people's files. ## The tasks, in the order they happen 1. **Intake.** Learn the property, the client's adviser and the purpose: new acquisition, construction, or a look-back on an existing building. Confirm scope in writing. 2. **Documents.** Request the closing statement, appraisal, contracts, pay applications, invoices, drawings, permits, leases and the prior depreciation schedule. Index what arrives and what does not. 3. **Basis and land.** Establish the capitalized basis and the land allocation with its evidence. Everything reconciles to this. 4. **Site visit.** Walk the property with the drawings, photograph components, measure what the drawings do not show, and interview the manager or contractor about what equipment serves what. 5. **Take-offs and costing.** Quantify each component and price it from records or from documented unit costs for the location and date. Allocate indirect costs by a stated method. 6. **Classification.** Decide each component's class with a written reason grounded in the Code, regulations, IRS guidance and the cases. Flag judgement calls. 7. **Reconciliation.** Tie the asset list to basis and to the adviser's ledger. Explain differences. 8. **Report.** Write the methodology, assumptions and limitations, the asset list and the legal analysis, and identify the preparer. 9. **Review.** Answer the reviewer's findings. Revise. Reconcile again. 10. **Delivery.** Walk the adviser through the report and answer questions. On a look-back, provide what the adviser needs for the change in accounting method. The IRS guide's list of the elements of a quality study is, in effect, a job description for steps 2 through 8. ## What the work is like - **It is evidence-driven.** The satisfaction comes from turning a single purchase price into a documented, reconciled list that holds up. The frustration comes from documents that never arrive. - **It is precise but not mechanical.** Quantities and costs are exact; classification involves judgement, and writing the reason is the job. - **It is cross-disciplinary every day.** You will read a mechanical drawing and a Tax Court opinion before lunch. - **It is reviewed.** Your work will be read critically by a reviewer, by an adviser and, sometimes, by an examiner. People who take findings personally do not last; people who collect them improve fast. - **It is seasonal.** Work bunches before filing deadlines and after acquisitions close. - **It travels, some.** Site visits mean driving or flying to buildings; the rest is a desk. ## What employers ask for Job listings for cost segregation roles tend to ask for some combination of: a background in construction, engineering, architecture, accounting or appraisal; experience with cost estimating or with fixed-asset accounting; the ability to read construction drawings; comfort with spreadsheets and, increasingly, with fixed-asset and modeling software; writing ability; and willingness to travel to sites. Senior roles ask for years of study experience, review experience and client-facing skills. Credentials are usually listed as preferred rather than required, because no license exists and the IRS prescribes no qualifications. NBCSS lists open positions on its jobs board, marked up as job postings only when they are real and open, and lists members in its directory with their consent. Both are places to see what firms are actually hiring for. ## Entry-level versus senior work An entry-level analyst spends most of the week in documents and drawings: indexing, take-offs, photographs keyed to the asset list, and first drafts of cost schedules, all reviewed by someone senior. Classification is learned by drafting memos that a lead rewrites, and the rewrite is the lesson. A senior practitioner spends more time deciding classifications, reviewing other people's files, talking to advisers and clients, scoping engagements and writing the parts of the report that carry judgement: methodology, limitations and the legal analysis. The engagement lead adds the business: proposals, engagement letters, fees and the relationship with the adviser. Movement between the levels is usually marked by the first file you take end to end without a rewrite, and then by the first file you review for someone else. ## A first-year milestone list - Produce a complete document index and site record for a real engagement. - Complete take-offs for a whole building from drawings, checked against the site. - Price an estimate with documented unit costs and have the sources accepted at review. - Draft classification memos for an entire asset list and keep a log of the lead's corrections. - Build a reconciliation that ties without forcing. - Sit in on the delivery conversation with the adviser. - Read the IRS guide twice, once at the start and once after the first file. ## Skills that make the difference - **Reading drawings quickly and correctly.** The take-off is only as good as the reading. - **Estimating honestly.** Knowing when a unit cost is from the wrong year or region and saying so. - **Writing a classification reason in one paragraph.** Function, authority, conclusion. - **Reconciling without forcing.** Finding the cause of a difference rather than absorbing it. - **Asking the adviser the right questions.** What is the basis on the return? Is there a prior study? What elections are planned? - **Keeping current.** The bonus depreciation rules changed in 2025; the rules will change again. ## What the job is not - It is not tax return preparation. The adviser owns the return. - It is not sales, although in small firms practitioners do business development. - It is not applying percentages. A job that is mostly that is not cost segregation. - It is not solitary. Even solo practitioners need reviewers and advisers. ## What people ask on Reddit and other forums The searches that lead people to these threads are usually phrased "cost segregation job description", "cost segregation jobs remote", "day in the life cost segregation". Job threads on r/Accounting and r/civilengineering, and "cost segregation reddit" searches, ask what the work is like before applying. From the sources below: **"Is it mostly travel?"** No. Site visits are a small share of the hours; most of the week is documents, drawings, costing, classification and writing. **"Is it remote?"** Most of it can be done anywhere with the documents. Site visits and some client meetings are in person. **"What does it pay?"** NBCSS publishes no figure because it has not measured one. Aggregator ranges are unverified. **"How do I get a first job with no experience?"** Show the file you can produce: a practice study on a property with known costs, with take-offs, classification reasons and a reconciliation. ## Questions people also ask ### Do I need to travel? Some. Site visits are a small share of the hours but most studies of properties that warrant one include a visit. Portfolio work can mean more travel; look-back work on well-documented buildings can mean less. ### Is the work remote? Most of it can be done anywhere with the documents. Site visits and some client meetings are in person. ### What software do practitioners use? Spreadsheets, fixed-asset software, cost-estimating references and, in larger firms, in-house models. Tools organize the work; they do not do it. ### What do cost segregation jobs pay? NBCSS does not publish salary figures because it has not measured them. Job listings and aggregators publish ranges; treat them as unverified. ### How do I get a first job in the field? Show the file you can produce: a practice study on a property with known costs, with take-offs, classification reasons and a reconciliation. Employers hire the evidence you can show, and the NBCSS jobs board lists real openings. ## Sources - https://www.irs.gov/pub/irs-pdf/p5653.pdf — IRS Publication 5653, Cost Segregation Audit Techniques Guide (Rev. 2-2025): Chapters 3, 4 and 5. - https://www.irs.gov/publications/p946 — IRS Publication 946 (2025), How To Depreciate Property: Chapters 1 and 4. - https://nbcss.org/jobs — NBCSS jobs board. ## Related reading - [Who does what: preparer roles in a cost segregation study](/articles/preparer-roles-in-a-cost-segregation-study) - [Career routes into cost segregation](/articles/career-routes-into-cost-segregation) - [How to become a cost segregation specialist](/articles/how-to-become-a-cost-segregation-specialist) - [Working with reviewers](/articles/working-with-reviewers) - [Maintaining professional competence](/articles/maintaining-professional-competence) - [Jobs](/jobs) · [The two ways to join NBCSS](/join) --- Canonical: https://nbcss.org/articles/what-a-cost-segregation-job-involves Published: 2026-09-25 · Last content change: 2026-09-25 Not professional advice: general educational information from the National Board of Cost Segregation Specialist (NBCSS); not accounting, tax, legal, financial, investment or engineering advice. 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