Comparison Updated October 2026
Buildium suits management companies running many associations and rentals, with board portals, bank sync and an API. HOAOS suits self-managed boards that want dues, governance and the books in one plan at a fraction of the price.
Yearly cost for a 150-unit association on published list prices, paid yearly: HOAOS Medium $950, Buildium Growth $3,305 and Buildium Premium $4,536, both prepaid annually.
At a glance
Buildium details are taken from its public pricing, feature and help pages. Where Buildium doesn't publish something, we say so.
| Feature | HOAOS | Buildium |
|---|---|---|
| Who it’s for | Self-managed HOA and condo boards, and the managers who work for them | “Designed for management companies”; Essential also covers self-managed associations of up to 40 units |
| Price | Small $50/mo (up to 50 units), Medium $95/mo (up to 200), Large $195/mo (up to 500); yearly costs 10 months | Essential $65/mo (up to 40 units); Growth from $202/mo; Premium from $420/mo; 10% off prepaid annually |
| Onboarding | Self-serve, with CSV import of units and residents | Required on Growth and Premium per its pricing page (its association page calls it optional); fee not published |
| Free trial | Not offered; no long-term contract | 14 days, no card |
| Owner payments | ACH and card through Stripe, straight to the association’s own Stripe account; owner autopay | EFT, card and retail cash; autopay |
| Payment fees | Bank $2.45 (or 0.8% up to $5); a card service fee; the board chooses who pays | Incoming EFT $2.35 on Essential and $0.99–$1.35 on Growth (its pages differ); cards 2.99%; billed to the Buildium account by default |
| Violations | Notices, cure dates, hearings and fines on the unit ledger | Notices with photos and deadlines, mailed letters; fines and hearings not published |
| Architectural requests | ARC requests with a decide-by date | ARC requests with committee voting |
| Elections and meetings | Secret owner elections; meetings with agendas, quorum and minutes | Not published |
| Reserves | Reserve funds, components and a 30-year projection | No reserves module published; budget vs. actual |
| Bank reconciliation | OFX/QFX/CSV import or a live Plaid feed | Automatic reconciliation; association bank sync on Premium |
| Mobile apps / API | No native app; no public API | Resident and manager apps; API on Premium |
Who should choose which
You want dues, the books, violations, meetings and elections in one place, at a price a volunteer board can justify.
You run a management company with many associations, often alongside rentals, and need board portals, apps, an API and phone support.
Cost example
Published list prices only, per year, before taxes.
| Size | HOAOS | Buildium Growth | Buildium Premium |
|---|---|---|---|
| 50 units | $500/yrSmall, paid yearly | $2,182/yrprepaid annually$2,424/yrmonthly | $4,536/yrprepaid annually$5,040/yrmonthly |
| 150 units | $950/yrMedium, paid yearly | $3,305/yrprepaid annually$3,672/yrmonthly | $4,536/yrprepaid annually$5,040/yrmonthly |
| 400 units | $1,950/yrLarge, paid yearly | $4,191/yrprepaid annually$4,656/yrmonthly | $4,854/yrprepaid annually$5,388/yrmonthly |
Association doors only, from the calculator on Buildium’s association page, before taxes, onboarding (fee not published), payment fees and add-ons. Buildium Essential is capped at 40 units, and Buildium’s general pricing page asks associations to call for a quote. Paid monthly, HOAOS costs $600, $1,140 or $2,340 a year.
FAQ
Yes. HOAOS imports units and residents from a CSV file, so you can export owners from Buildium and bring them in, then set up assessment schedules and opening balances.
Yes. HOAOS lets a management company run many communities with one sign-in, while each community keeps its own account and books.
No. HOAOS works in a phone browser for boards and residents, but it doesn’t have native iOS or Android apps today.
Yes. HOAOS runs secret owner elections that units vote in online, by proxy or on paper, with quorum tracking, on every plan.
Sources
Competitor details checked on October 29, 2026 from their public websites; pricing and features change — check Buildium for current details.
Buildium is a trademark of its owner. All trademarks belong to their respective owners; DomoDomu is not affiliated with or endorsed by Buildium. This page compares published information and isn't an assessment of either company.
More on HOAOS
Every feature is on every plan, from $50 a month for up to 50 units, with no long-term contract.
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