Cost Segregation Reviews
Provider comparison · 2026
RANKINGS
Best companies All 27 ranked By property type Provider reviews
BY PROPERTY TYPE
STR / Airbnb Single-Family Rental Duplex & Fourplex Multifamily Commercial Warehouse Data Center Hotels & Hospitality Online (Remote) Audit Defense
GUIDES
What Is Cost Segregation? Is It Worth It? How Much Does It Cost? Cost Segregation for Airbnb Fast Cost Segregation Cheap Cost Segregation Is Cheap Worth It? Pricing Explained
TOOLS
Get my recommendation ROI calculator Pricing comparison
ABOUT
How we rank About Contact
Home · Reviews · CBIZ

CBIZ Review (2026)

Pricing, methodology, audit defense, and where this provider fits.

Reviewed against IRS Pub 946 and the Cost Segregation Audit Techniques Guide (Pub 5653) · Cost Segregation Reviews Editorial Board · Last reviewed September 2026

Editorial note: Cost Segregation Reviews is operated by Cost Seg Smart, which appears as one option among many on this site, including in this review. Public-facing data only — pricing, methodology, and credentials reflect what CBIZ publishes on its own site. Reviewed September 2026.

CBIZ's cost segregation studies reclassify a building's cost basis into MACRS 5-, 7-, and 15-year property under §1245 and §1250, the categories set by Rev. Proc. 87-56 and documented against the IRS Cost Segregation Audit Techniques Guide (Pub 5653). CBIZ is a Cleveland, Ohio-headquartered national advisory firm; Marcum LLP's own cost-segregation service page now 301-redirects permanently to cbiz.com, confirming the two are one entity for this service line following CBIZ's acquisition of Marcum's advisory business. CBIZ's site claims an average ROI of “$15 of tax savings for each dollar spent in fees” — a firm-stated ratio, not an independently audited figure. Cost Seg Smart publishes a $1,995 starting price for standard commercial properties under $1 million, by comparison, rather than an ROI ratio with no dollar figure attached.

CBIZ — quick facts
DimensionPublished answer
Pricing modelNot published
Claimed ROI"$15 of tax savings for each dollar spent in fees" (firm's own claim)
Prior brandMarcum LLP's cost-segregation page now 301-redirects to cbiz.com
TurnaroundNot published
Site visitNot published
At a glance
Pricing
Not published
Turnaround
Not published
Methodology
Engineering + accounting; engineers review blueprints and physical components
Site visit
Not published
Audit support
Not published
Property types
Commercial real estate — new construction, renovations, recently acquired buildings
Founded
1987 (per third-party sources; not confirmed on the cost segregation page)

Category: CPA firm service line — best for former Marcum clients and large commercial owners

Pricing detail

Not published. CBIZ's site instead cites an average ROI claim ("$15 of tax savings for each dollar spent in fees") rather than a fee schedule.

Pricing reflects what the firm publishes as of September 2026. An ROI ratio describes the relationship between fee and expected benefit, not the fee itself — two providers can both claim a similar ratio at very different absolute prices. For context on typical rates, see our guide to how much a cost segregation study should cost.

Methodology and process

CBIZ describes a process combining engineering and accounting expertise, stating “engineers review building blueprints and physical components like lighting, plumbing, wiring, HVAC systems, and land improvements.” That component-level review approach tracks the documentation standard set by the IRS Cost Segregation Audit Techniques Guide. Notably, Marcum LLP's own cost-segregation service page (marcumllp.com) now 301-redirects permanently to cbiz.com, which CBIZ acquired as part of Marcum's advisory business — a former Marcum client's cost segregation relationship is now a CBIZ relationship.

Property-type fit

CBIZ's page is scoped to commercial real estate: new construction, renovations, and recently acquired buildings. It does not list single-family residential or short-term rental as a target category; see our STR rankings for that segment.

Audit defense

Audit-defense terms are not published on CBIZ's cost segregation page. The ROI claim ("$15 of tax savings for each dollar spent in fees") speaks to expected financial benefit, not to a stated guarantee, follow-up commitment, or IRS-representation scope.

Pros

  • Publishes a specific, quotable ROI claim ($15 of tax savings per $1 of fees) rather than only qualitative marketing language.
  • Backed by a large national advisory firm with broad tax and accounting capabilities beyond cost segregation.
  • Former Marcum LLP clients have a documented, verifiable transition path (301 redirect) rather than an ambiguous merger story.

Cons

  • Pricing is not published — only an ROI ratio, which is not the same as a dollar figure.
  • Turnaround time, site-visit policy, and audit-defense terms are not published.
  • Positioned for commercial real estate; no published residential or STR offering.

Verdict — who this is for

CBIZ fits commercial real estate owners — especially former Marcum LLP clients whose service relationship has moved to CBIZ — who want cost segregation from a large national advisory firm and are comfortable with an ROI-ratio pitch rather than a published fee. For a residential or STR investor who wants a fixed price up front, the full 27-provider table is a better starting point.

FAQ

Is CBIZ the same as Marcum for cost segregation?

Marcum LLP's cost-segregation service page now 301-redirects permanently to cbiz.com, confirming CBIZ acquired Marcum's advisory business for this service line.

What ROI does CBIZ claim for cost segregation?

The firm's site claims an average ROI of $15 of tax savings for each dollar spent in fees — a firm-stated figure, not an independently audited one.

How much does CBIZ charge for a cost segregation study?

Not published.

Editor's Pick by your situation

CBIZ is the editor's reference point for former Marcum LLP clients and large commercial owners. For other situations:

Sub-$1M commercial or residential wanting fixed, published pricing
→ Cost Seg Smart Order a study →
Commercial owner already a CBIZ (or former Marcum) client
→ CBIZ (you're reading this review)
Boutique specialist with an engineering-first focus
→ dedicated engineering firms Read review →
Compare alternatives: See the full 27-provider comparison or browse by property type — STR, multifamily, commercial. Our scoring methodology documents how each dimension is weighted.

Sources

  • https://www.cbiz.com/services/tax/business-tax/cost-segregation-studies
  • https://www.marcumllp.com/services/tax/cost-segregation

Accessed 2026-09-06.

Pricing and operational details reflect public information as of September 2026. Provider corrections welcome via the submission form. This review is not legal, tax, or financial advice — confirm cost segregation suitability with your CPA before ordering a study.