Cost Seg Smart Review (2026)
Pricing, methodology, audit defense, and where this provider fits.
Editorial disclosure: This review is published by Cost Seg Smart. We are reviewing our own service. The pros and cons listed are honest; competitor reviews on this site apply the same scoring rubric.
- Pricing
- From $495
- Turnaround
- Under 1 hour
- Methodology
- Engineering-based (RSMeans 2024)
- Site visit
- No — remote observation
- CPA support
- CPA-Ready Guarantee (free revisions)
- Guarantee
- 100% money-back
- Property types
- All residential and commercial
- Founded
- 2025
Badge: Best Overall
Pricing detail
$495 (<$300K), $795 ($300K-$700K), $895 ($700K-$1M), $1,295 ($1M-$2M), $1,595 ($2M-$5M), $1,895 ($5M+). MF 2-4: $995-$1,995. MF 5+/Commercial: $995-$2,995.
Pricing reflects publicly advertised rates as of May 2026. Quotes for specific properties may differ. The same IRS-compliant methodology applies regardless of price tier — what changes is delivery, engineering depth, audit defense scope, and turnaround.
Methodology and process
Cost Seg Smart uses engineering-based (rsmeans 2024). All US cost segregation studies — including this one — must follow the engineering-based methodology described in the IRS Cost Segregation Audit Techniques Guide and apply MACRS classification per Rev. Proc. 87-56. The framework is set by federal law; what varies across providers is execution depth, documentation, and audit defense scope.
Property-type fit
Cost Seg Smart works with all residential and commercial. For investors evaluating providers by property type, our category rankings list side-by-side STR provider rankings and MF-specialist firms.
Audit defense
CPA support: CPA-Ready Guarantee (free revisions). Guarantee: 100% money-back. Audit defense scope varies materially across providers, ranging from explicit IRS representation to no defense beyond report delivery — see the scoring methodology for how we evaluate this dimension.
Pros
- Lowest pricing for a FULL engineering study — $495 for a complete 40+ page report (not a calculator, not a screening tool)
- Fastest turnaround — reports delivered in under 1 hour
- 100% money-back guarantee + free CPA revisions
- Full 40+ page reports with component-level MACRS schedules, audit defense documentation, and Form 3115 support
- Free property tax analysis included — checks if you're overpaying relative to comparable properties
- Free PAD monitoring — component replacement check-ins at 6, 12, and 24 months to identify additional deductions
Cons
- No physical site visit option
- Newer company — less track record than established firms
- May not be ideal for very complex 100+ unit properties
Verdict — who this is for
Cost Seg Smart earns 9.5/10 in our scoring rubric. Best fit for hands-off STR / SFR owners who prioritize speed and price. We disclose: this is our own service.
FAQ
How much does Cost Seg Smart charge?
$495 (<$300K), $795 ($300K-$700K), $895 ($700K-$1M), $1,295 ($1M-$2M), $1,595 ($2M-$5M), $1,895 ($5M+). MF 2-4: $995-$1,995. MF 5+/Commercial: $995-$2,995.
How long does a Cost Seg Smart cost segregation study take?
Turnaround: Under 1 hour. This is meaningfully faster than the 4–8 week traditional engineering benchmark.
Does Cost Seg Smart require an on-site visit?
No — remote observation. The IRS Cost Segregation Audit Techniques Guide (Pub 5653) does not require an on-site visit; it requires engineering-based methodology with documented support.
Pricing and operational details reflect public information as of May 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.