A comparison of 6 providers, what each does best, at what price, with what turnaround.
Different providers fit different buyer profiles. Here's the short version:
| Provider | Price range | Turnaround | Site visit | Audit support |
|---|---|---|---|---|
| Cost Seg Smart (this site's operator) | $495–$2,995 | Under 1 hour | Remote (photos + assessor data + plan documents) | Written audit defense included with every study |
| KBKG | $3,000–$25,000+ | 4–8 weeks | On-site required for most engagements | Add-on retainer |
| CSSI (Cost Segregation Services, Inc.) | $5,000–$30,000 | 6–10 weeks | On-site | Included; expert testimony available |
| Engineered Tax Services (ETS) | $5,000–$50,000 | 6–12 weeks | On-site | Included |
| Capstan Tax | $4,000–$20,000 | 4–8 weeks | On-site | Included |
| Local CPA + engineering review | Varies, typically $2,500–$10,000 | Varies | Depends | Depends, verify in engagement letter |
Savannah Historic District buyers benefit from a provider whose workflow handles the renovation-cost-pool component analysis directly from owner-provided improvement records, particularly given the historic-preservation premium on Historic District renovation cost. Cost Seg Smart's remote workflow handles this cleanly; many traditional on-site engagements treat renovation cost analysis as a separate workflow requiring additional engineer time.
Three questions to answer before contacting any provider:
Price ranges are based on publicly stated tiers and industry sources as of 2026. Turnaround times reflect typical engagement lengths and may vary. We do not receive compensation from any other provider listed; this is not affiliate content.
The "best for" framing reflects each provider's actual public sweet spot, not paid placement. We don't claim to be #1 for every customer profile. We're the best fit for the segment described in our row (fast, affordable, remote-first, residential + STR + small commercial under $5M). For larger commercial portfolios (office, retail, industrial, multifamily 5+), engineer-led firms with on-site capacity are the right choice, see commercialcostseg.com for our institutional commercial coverage and provider patterns.
For cross-provider review aggregation across the wider cost-seg industry, costsegregationreviews.com tracks independent customer comparisons. Cross-provider pricing benchmarks by basis tier and property class are aggregated at costsegregationpricing.com.
See the Savannah engine benchmarks Start a Cost Seg Smart study