The verdict in three sentences
A custom real estate agency platform costs, in 2026, between 28,000 and 50,000 EUR (about 30,000-54,000 USD) for a listings/contacts CRM, a matching engine and portal connectors. Vertical SaaS (Propertybase, Rex, kvCORE) at 50-150 EUR/month covers the essentials: custom only makes sense if your matching method or client experience is a real differentiator. The gain is measured in relevant matches (+10 to 20%) and freed-up agent time.
The scope of a custom real estate platform
| Functional module | Contents | 2026 order of magnitude (EUR) |
|---|---|---|
| Listings & contacts CRM | Mandates, properties, history, tasks | 8,000 - 15,000 |
| Automated matching | Buyer criteria / listing matching | 5,000 - 10,000 |
| Portal connectors | MLS, Rightmove, Zillow feeds | 4,000 - 9,000 |
| E-signature | Mandates, viewing forms, offers | 3,000 - 6,000 |
| Buyer portal | Alerts, favorites, booking | 4,000 - 8,000 |
| Typical full scope | CRM + matching + portals | 28,000 - 50,000 |
The matching engine is the core of the value: it continuously cross-references buyer criteria (budget, area, size, aspect) with new listings and fires qualified alerts. This is where custom beats a generic vertical.
Custom vs vertical real-estate SaaS
| Criterion | Vertical (kvCORE, Rex...) | Custom Kolonell |
|---|---|---|
| Cost | 50-150 EUR/month/agency | 28,000-50,000 EUR once |
| 5-year cost (1 agency) | 3,000-9,000 EUR | 28,000-50,000 EUR + maintenance |
| Portal connectors | Included | Custom / API |
| Matching logic | Standard | Custom, differentiating |
| Data ownership | Vendor's servers | Yours |
| Multi-branch / network | Per plan | Unlimited, no per-seat fee |
For a low-volume independent agency, a vertical stays the rational choice. Custom earns its keep for a multi-branch network, a proprietary matching method, or a wish to own the data and buyer experience end to end.
Mini case study
David runs a 3-branch agency network, 14 agents. With two different verticals inherited from acquisitions, he paid about 4,200 EUR/year in licenses and lost cross-branch matches. A unified custom platform (budget 42,000 EUR / ~45,000 USD) centralizes the 3 storefronts and automates cross-branch matching. Estimated year-one result: +16% relevant introductions, i.e. 9 extra sales at an average 6,500 EUR commission, nearly 58,000 EUR of additional fees. Payback: under 12 months.
FAQ
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How much does custom real estate software cost in 2026?
Expect 28,000 to 50,000 EUR for a CRM, matching engine and portal connectors. A CRM-only core starts around 12,000 EUR.
Why not stay on a 100 EUR/month vertical?
For a single low-volume agency, stay. Custom is justified for multi-branch networks or when your matching logic is a competitive edge.
Can it syndicate to MLS/Rightmove/Zillow?
Yes, via their APIs or normalized feed formats. Budget 4,000 to 9,000 EUR depending on portal count and sync depth.
Is the e-signature compliant?
Yes: we integrate an eIDAS/ESIGN-compliant provider (advanced or qualified signature) into the mandate and offer flow. Budget 3,000 to 6,000 EUR.
Who owns the client data?
You do. On a custom project the buyer and seller database stays your property, hosted where you decide.
Let's scope your project. Tell us your number of branches and agents, your syndication portals and indicative budget, and we'll prioritize the CRM and matching engine. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
