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Real Estate · head to head

Buildium vs Reonomy

Buildium logo

Buildium

Real Estate

Property management software designed with you in mind

From
Free
Rated
-
Full reviewWebsite
Reonomy logo

Reonomy

Real Estate

Commercial property ownership and contact data platform, acquired by Altus Group for roughly $202 million and now sold on unpublished, increasingly enterprise-focused pricing

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Buildium has a free tier, so it costs nothing to try first.
  • Each has a real cost: Buildium prices are all quoted as starting figures, from $62 a month on Essential to $400 on Premium, so the real cost depends on unit count; Reonomy pricing is not published, and the sales process has become more enterprise-focused since the Altus Group acquisition, which reportedly makes it less accessible for smaller, self-service buyers than it once was.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Buildium and Reonomy actually diverge.

Attributes where Buildium and Reonomy differ
AttributeBuildiumReonomy
Starting priceFreeOn request
Pricing modelsubscriptionquote
Free tierYesNo

Identical on both: platforms (Web), user rating (Not yet rated), category (Real Estate).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Buildium

Nothing recorded that Reonomy does not also cover.

Only in Reonomy

  • Ownership records
  • Transaction history
  • Off-market prospecting
  • Portfolio analysis
  • Contact data
  • Market and property search

What people use each for

The jobs each tool is most often brought in to do.

Buildium

  • Property management accounting and rent collectionnot Reonomy
  • Maintenance requests and work order trackingnot Reonomy
  • Tenant screening and lease signingnot Reonomy
  • Owner and tenant portalsnot Reonomy
  • Community association management on the Enterprise tiernot Reonomy

Reonomy

  • A broker sourcing off-market deals by identifying and directly contacting property owners matching acquisition criterianot Buildium
  • A lender researching an owner portfolio and financing history before extending creditnot Buildium
  • An investor doing outbound outreach to owners of a specific property type or size in a target marketnot Buildium
  • A firm already using ARGUS Enterprise considering Reonomy for data given the shared Altus Group ownershipnot Buildium

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Buildium

  • Prices are all quoted as starting figures, from $62 a month on Essential to $400 on Premium, so the real cost depends on unit count
  • Onboarding is mandatory on the Growth and Premium plans, adding a cost the monthly figure does not show
  • Live phone support is withheld from the Essential tier
  • The Open API is Premium only
  • Portfolios above 5,000 units are pushed to a quote-only Enterprise arrangement

Reonomy

  • Pricing is not published, and the sales process has become more enterprise-focused since the Altus Group acquisition, which reportedly makes it less accessible for smaller, self-service buyers than it once was.
  • It is a data and contact-sourcing tool, not a valuation platform, so firms needing DCF modelling still need ARGUS Enterprise or an equivalent separately, even though both are Altus Group products.
  • Coverage and data freshness for ownership and contact information vary by market, and off-market sourcing quality depends on how current that contact data actually is.
  • Shared ownership with ARGUS under Altus Group means a firm concentrating spend with both products has less independent competitive leverage across its CRE software and data budget.
  • As with any owner-contact database, deliverability and accuracy of contact information degrade over time, and there is no independent public benchmark of Reonomy data accuracy to check ahead of purchase.

Pricing, plan by plan

Buildium

Free
  • Essential$62/month
    • Basic accounting, maintenance, leasing
    • Standard reporting
    • Basic AI assistant
  • Growth$192/month
    • Everything in Essential
    • Customization and reporting automation
    • Enhanced tenant screening
  • Premium$400/month
    • Everything in Growth
    • Open API access
    • Free inspections

Reonomy

On request
  • Reonomy$undefined/year
    • Monthly and annual subscription options, annual saves roughly 30%
    • Pricing not published, increasingly enterprise-focused sales process since Altus Group acquisition
    • Cost scales with data access scope and seats

Which should you pick?

Choose Buildium if

  • You want to start without paying.
Buildium review

Choose Reonomy if

  • You need ownership records.
  • You also want transaction history.
Reonomy review

Questions people ask

Is Buildium or Reonomy better?
Neither clearly leads. Buildium starts at Free and Reonomy at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Buildium or Reonomy?
Buildium has a free tier; the other does not. Paid plans start at Free for Buildium and On request for Reonomy.
Does Buildium or Reonomy run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Buildium for free?
Yes. Buildium has a free tier, so you can try it without paying. Reonomy starts at On request.
What is Buildium best used for?
Buildium is most often used for property management accounting and rent collection, maintenance requests and work order tracking, tenant screening and lease signing, owner and tenant portals. Of those, property management accounting and rent collection and maintenance requests and work order tracking are not what Reonomy is typically brought in for.
What can Buildium do that Reonomy cannot?
Reonomy covers Ownership records, Transaction history, Off-market prospecting, Portfolio analysis.

Answered from the vendors’ own pages

Buildium: How much does Buildium cost for a small landlord?

Buildium starts at $62/month (Essential plan) and includes basic accounting, maintenance, and leasing. A 14-day free trial is available without credit card required.

Source
Reonomy: Who owns Reonomy?

Altus Group, which acquired it in November 2021 for roughly $202 million; it sits in the same portfolio as ARGUS Enterprise.

Buildium: Are tenant screening and eSignatures included in Buildium plans?

No. Tenant screening costs $17–$35 per screening. eSignatures cost $1–$5 per document on Essential and Growth plans. Premium plan ($400/month) includes unlimited eSignatures and removes per-document charges.

Source
Reonomy: Is Reonomy the same as CoStar?

No. Reonomy focuses on ownership, contact and off-market sourcing data; CoStar is broader, covering listings, lease comparables and market analytics at larger scale.

Buildium: What do I get by upgrading from Essential to Premium?

Premium ($400/month) adds Open API access, free property inspections, unlimited free eSignatures, 12 months of free incoming EFT processing, and a full AI suite. Growth ($192/month) is the mid-tier with customization and reporting automation.

Source
Reonomy: Is pricing available online?

No. Reonomy offers monthly and annual subscriptions with roughly 30% savings annually, but exact rates require a quote.

Buildium: Does Buildium offer custom pricing for large portfolios?

Yes, Buildium offers Enterprise pricing for portfolios exceeding 5,000 units or community associations. Contact sales at 877-396-7876 for a quote.

Source
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