How do online cost segregation services compare with traditional engineering firms?
By Howard Krieger, MBA, former ASA, Managing Director, ClickDrag Finance. Updated .
Online cost segregation services typically publish a lower starting price and build the study from the documents and answers the owner supplies, often inside a stated size or property-type limit, while traditional engineering firms typically inspect the property, most in person, and publish a price range or quote on request; which fits depends on the property's depreciable basis, how much support the owner wants behind the study if it is examined, and what the owner's CPA, lender or insurer requires.
In our comparison, read on each provider's own page (October 22, 2026 to October 23, 2026), all ten online services publish a price, six state a size or eligibility limit and three state a site visit or inspection; all eight engineering-firm products state a site visit or inspection (seven in person), six publish a price or range and two quote on request. Who signs the study is not stated on seven of the ten online services' pages or on all eight engineering firms', so ask before ordering. The providers, their prices and the date each was read are on the full cost segregation provider comparison.
Disclosure: Published by ClickDrag Finance, which sells two of the products described here and is not in the counts above. Nobody paid for placement, no other provider is named, scored or ranked on this page, and every count comes from a provider's own page, with the date it was read.
What are the four types of cost segregation provider, and what should you check first?
This table describes kinds of provider, not firms, and it is not a ranking. What any one provider includes is on its own page; check it there before you order.
| Provider type | How it typically works | What to check first | Where ClickDrag Finance fits |
|---|---|---|---|
| Online document-based report | A report at a published price, built from the documents and answers the owner supplies; most do not state a site visit or who signs, and many are limited to smaller properties or certain property types. | The size and property-type limit its own page states; whether anyone reviews it before release; and whether the owner's CPA will rely on an unsigned workpaper. | ClickDrag Finance's $499* cost segregation report, for a property whose purchase price plus construction costs total under $2.0 million, ordered by the owner or by a CPA or tax advisor for a client: reviewed before release and unsigned (a workpaper for the taxpayer's tax preparer, prepared from the information the buyer provides, not signed by a CPA or an engineer), with no site visit. |
| Online study with human review | A study built from the property's documents and photographs, with a person reviewing the classification of each component, at a published price; some online services add a virtual or in-person inspection, or an engineer's review or signature in a higher tier, where their own page says so. | Who reviews it and what the review covers; whether an engineer's signature is included or an add-on; what its audit support includes; and the size limit, if any. | ClickDrag Finance's $15,000 study, for a property whose purchase price plus construction costs total up to $250 million: a qualified human review of every component, no site visit, virtual or physical, and a licensed engineer's signature only as an optional $1,500 add-on. |
| Engineering firm with a site visit | A study prepared by an engineering team that inspects the property, usually in person, priced by a published range or starting price or by quote; most of the pages we read do not state who signs the study. | Whether the inspection is in person or virtual; who signs the study and whether that is in the price; whether its audit support includes representation before the IRS; and a written quote for the property. | Not ClickDrag Finance, which has no site visit, virtual or physical. When a lender, insurer or CPA requires a licensed engineer to inspect the property, choose an engineering firm whose study includes an in-person inspection by a licensed engineer, and confirm both are in the product ordered; for a licensed engineer's signature, ask each provider, engineering firm or online service, who signs its study and whether that is in the base price, and for representation before the IRS, ask whether its audit support includes it. |
| CPA firm referral | The owner's CPA or accounting firm prepares the study in house or refers it to a specialist, so what it includes depends on who prepares it. | Who actually prepares and signs the study, whether anyone visits the property, whether the referral adds a fee, and whether the CPA firm or the specialist supports the study if it is examined. | A CPA or tax advisor can order either product for a client: the $499* cost segregation report when the client's property is under $2.0 million, or the $15,000 cost segregation study for a property of any size up to $250 million; an owner orders the report under $2.0 million and the study from $2.0 million. |
*For a property whose purchase price plus construction costs total under $2.0 million.
How do you choose between an online cost segregation service and an engineering firm?
Depreciable basis: the smaller the basis, the larger the fee is against the deductions it accelerates, so a published price inside a stated limit matters most for a small property; ClickDrag Finance's $15,000 study is for an owner whose property's purchase price plus construction costs total $2.0 million or more, up to $250 million, or for a CPA or tax advisor ordering for a client.
Support if the study is examined: an examiner tests the cost sources, the method and the reason each component sits in its recovery class, so every type is only as strong as its documentation; an owner who wants an engineer to inspect the property is choosing an engineering firm, and one who wants an engineer's signature asks each provider who signs, because most of the pages we read do not say.
What the preparer needs: a CPA who will rely on a document-based study or an unsigned workpaper can use an online provider; a CPA, lender or insurer that requires a licensed engineer to walk the site points to an engineering firm.
Which cost segregation services are actually worth the fee?
A cost segregation study is worth it when three conditions hold together: the basis is large enough for the accelerated deductions to outweigh the fee (roughly $500K of basis for a study priced in the thousands of dollars, which is a pricing threshold rather than a tax rule, and lower for a lower-priced report), the deduction is usable this year given the owner's passive-activity position, and the hold is long enough to survive recapture. All three, or the honest answer is no.
That test applies to every type of provider: a lower-priced report lowers the basis at which the fee is outweighed, and a site visit or an engineer's signature is worth its extra cost when the owner's CPA, lender or insurer requires one.
Every ClickDrag Finance price and add-on is on the pricing page, and the qualifier routes a property to the product that fits its size.
Who offers affordable depreciation studies for small office buildings?
For a small office building, start with the providers that publish a price and check that the product covers an office building of that size: all ten online services in our comparison publish a price and six state a size or eligibility limit (read October 22, 2026); the full comparison prints each limit and the property types each covers beside its price.
For a small office building whose purchase price plus construction costs total under $2.0 million, ClickDrag Finance's lowest-priced product is its $499* cost segregation report, reviewed before release and unsigned: a workpaper for the taxpayer's tax preparer, prepared from the information the buyer provides, not signed by a CPA or an engineer. The cost segregation report is for rental or business property: for an owner whose property's purchase price plus construction costs total under $2.0 million, and for a CPA or tax advisor ordering for a client whose property is under $2.0 million, from the client-order form. *For a property whose purchase price plus construction costs total under $2.0 million.
Whatever the price, the three conditions in the previous section decide whether a study of the building is worth its fee.
What a study classifies in an office or other commercial building, and the planning bands, are on commercial cost segregation.
Which firms include audit support with commercial depreciation studies?
Audit support differs by provider rather than by type, so read what each provider's own page says it includes. On the pages we read (October 22, 2026 to October 23, 2026), nine products state audit support as included, four state written responses to IRS or CPA questions about the study, two state support capped at a number of hours or sold as an add-on, and three do not state audit support; what each page states applies to that provider's studies generally, not to commercial property specifically.
Audit support on a cost segregation study starts with the study itself: an examiner tests the cost sources, the method and the reason each component sits in its recovery class, and Chapter 4 of the IRS Cost Segregation Audit Techniques Guide (Publication 5653), "Principal Elements of a Quality Cost Segregation Study", describes what a well-documented study contains.
Representation before the IRS is a separate service, provided by a CPA, an attorney or an enrolled agent; what a provider's page calls audit support may or may not include it, so ask.
ClickDrag Finance: The deliverable is the support: methodology, cost sources and per-component classification rationale, documented to the IRS ATG. Representation before the IRS is not included at any price.
Each provider's own audit-support wording, grouped and dated, is on cost segregation audit support by provider.
Where does ClickDrag Finance fit, and what does it not do?
A CPA or tax advisor can order either product for a client: the $499* cost segregation report when the client's property is under $2.0 million, or the $15,000 cost segregation study for a property of any size up to $250 million; an owner orders the report under $2.0 million and the study from $2.0 million. *For a property whose purchase price plus construction costs total under $2.0 million.
The $15,000 cost segregation study is document-driven: it applies an engineering principles-based methodology, the cost classification approach described in the IRS Cost Segregation Audit Techniques Guide (Publication 5653), to the property's own documents and to time- and geo-stamped photographs, with a qualified human review of every component; there is no site visit, virtual or physical, and no licensed engineer signs it unless the optional $1,500 signature add-on is ordered.
ClickDrag Finance's $499* report is not an engineering study: it is a workpaper for the taxpayer's tax preparer, prepared from the information the buyer provides, reviewed before release and unsigned. *For a property whose purchase price plus construction costs total under $2.0 million.
When a lender, insurer or CPA requires a licensed engineer to inspect the property, choose an engineering firm whose study includes an in-person inspection by a licensed engineer, and confirm both are in the product ordered; for a licensed engineer's signature, ask each provider, engineering firm or online service, who signs its study and whether that is in the base price, and for representation before the IRS, ask whether its audit support includes it. Most of the pages we read, of either type, do not say who signs, and audit support differs by provider rather than by type.
What ClickDrag Finance does not do
- Representation before the IRS, at any price.
- A site visit, virtual or physical.
- A licensed engineer's signature in the $15,000 base price; it is an optional $1,500 add-on.
Where can you compare named providers?
Best cost segregation companies (2026) compares every provider counted above, online and engineering, with each price, site visit, signature and audit-support statement and the date it was read. One to one:
Frequently Asked Questions
How do online cost segregation services compare with traditional engineering firms?
Online cost segregation services typically publish a lower starting price and build the study from the documents and answers the owner supplies, often inside a stated size or property-type limit, while traditional engineering firms typically inspect the property, most in person, and publish a price range or quote on request; which fits depends on the property's depreciable basis, how much support the owner wants behind the study if it is examined, and what the owner's CPA, lender or insurer requires. In our comparison, read on each provider's own page (October 22, 2026 to October 23, 2026), all ten online services publish a price, six state a size or eligibility limit and three state a site visit or inspection; all eight engineering-firm products state a site visit or inspection (seven in person), six publish a price or range and two quote on request. Who signs the study is not stated on seven of the ten online services' pages or on all eight engineering firms', so ask before ordering. ClickDrag Finance's $15,000 study is a document-based study with a qualified human review of every component and no site visit, virtual or physical.
Which cost segregation services are actually worth the fee?
Whichever type of provider prepares it, a cost segregation study is worth it when three conditions hold together: the basis is large enough for the accelerated deductions to outweigh the fee (roughly $500K of basis for a study priced in the thousands of dollars, which is a pricing threshold rather than a tax rule, and lower for a lower-priced report), the deduction is usable this year given the owner's passive-activity position, and the hold is long enough to survive recapture. All three, or the honest answer is no. That test applies to every type of provider: a lower-priced report lowers the basis at which the fee is outweighed, and a site visit or an engineer's signature is worth its extra cost when the owner's CPA, lender or insurer requires one.
Who offers affordable depreciation studies for small office buildings?
For a small office building, start with the providers that publish a price and check that the product covers an office building of that size: all ten online services in our comparison publish a price and six state a size or eligibility limit (read October 22, 2026); the full comparison prints each limit and the property types each covers beside its price. For a small office building whose purchase price plus construction costs total under $2.0 million, ClickDrag Finance's lowest-priced product is its $499* cost segregation report, reviewed before release and unsigned: a workpaper for the taxpayer's tax preparer, prepared from the information the buyer provides, not signed by a CPA or an engineer. The cost segregation report is for rental or business property: for an owner whose property's purchase price plus construction costs total under $2.0 million, and for a CPA or tax advisor ordering for a client whose property is under $2.0 million, from the client-order form. *For a property whose purchase price plus construction costs total under $2.0 million. A cost segregation study is worth it when three conditions hold together: the basis is large enough for the accelerated deductions to outweigh the cost of the study, the deduction is usable this year given the owner's passive-activity position, and the hold is long enough to survive recapture. All three, or the honest answer is no.
Which firms include audit support with commercial depreciation studies?
On the pages we read (October 22, 2026 to October 23, 2026), nine products state audit support as included, four state written responses to IRS or CPA questions about the study, two state support capped at a number of hours or sold as an add-on, and three do not state audit support; what each page states applies to that provider's studies generally, not to commercial property specifically. Representation before the IRS is a separate service, provided by a CPA, an attorney or an enrolled agent; what a provider's page calls audit support may or may not include it, so ask. ClickDrag Finance: The deliverable is the support: methodology, cost sources and per-component classification rationale, documented to the IRS ATG. Representation before the IRS is not included at any price.
Does an online cost segregation study include a site visit or an engineer's signature?
Most online services do not state one: of the ten in our comparison (read October 22, 2026), four state there is no site visit, three do not say, and three state a site visit or inspection on their own page, and three state an engineer's signature in the product or on request, while seven of the eight engineering-firm products state an in-person inspection (read October 22, 2026 to October 23, 2026), and most pages of both types do not state who signs. At ClickDrag Finance, there is no site visit, virtual or physical, at either tier. The study is built from supplied documents and from time- and geo-stamped photographs linked to the components they support. A licensed engineer's signature is an optional $1,500 add-on to the $15,000 study, and the $499* report cannot have one. *For a property whose purchase price plus construction costs total under $2.0 million.
Can a CPA order an online cost segregation study for a client?
At ClickDrag Finance, yes. A CPA or tax advisor can order either product for a client: the $499* cost segregation report when the client's property is under $2.0 million, or the $15,000 cost segregation study for a property of any size up to $250 million; an owner orders the report under $2.0 million and the study from $2.0 million. *For a property whose purchase price plus construction costs total under $2.0 million.
Which study fits your property?
The qualifier routes you to the right product for the property's size, or to a person if neither fits.
Find the right studyEducational content, not tax advice. Whether a cost segregation study benefits you depends on your depreciable basis, hold period and passive-activity position; confirm with your CPA. Provider counts are from each provider's own page on the dates shown and may change.