How to Build a List of Syndics in Any French Municipality — Compliant Outreach Post-August 11, 2026

You are a service provider to residential property associations — maintenance, insurance, energy, works, accounting. You want to approach the property managers (syndics) who manage buildings in a given town or district. On August 11, 2026, France's anti-cold-calling law comes into force and changes how you may contact them — not whether you can.

A practical method for building your list of active syndics in a given area and approaching them within the legal framework that applies from August 12, 2026 onwards.

This article provides general information and does not constitute personalised legal advice. For specific situations, consult a lawyer specialising in property law or GDPR.

What the August 11, 2026 law actually changes for outreach to syndics

Law no. 2025-594 published in the French Official Journal (JORF), entering into force on August 11, 2026, significantly tightens the rules around telephone and electronic cold outreach in France. For prospecting professional syndics, several key principles apply:

• A syndic is a legal entity (property management firm or company). Accordingly, B2B professional outreach to its generic address (contact@, info@) remains legal without prior consent, on the basis of documented legitimate interest.
• The named property manager (the individual who actually manages the co-ownership within the firm) receives outreach under the B2B "named professional" regime: information at the point of collection, a simple opt-out, and a mention of the data source.
• The manager's direct phone number remains legally accessible in B2B, but registration on Bloctel has a binding effect that few service providers are aware of — a manager who has registered their professional mobile on Bloctel must be respected, even in B2B.
• Bulk electronic messaging (SMS, WhatsApp) to personal professional mobile numbers is now subject to prior consent, unless an existing contractual relationship is in place.

In practice, outreach to syndics remains possible — but it must be conducted on cleanly collected data, with documented legal basis and a simple opt-out in every message.

Where to find the list of active syndics in a given area

Four official or semi-official sources, to be cross-referenced for a comprehensive list:

1. The co-ownership registration database (Anah)

Since 2017, all French co-owned buildings must be registered in the Registre National d'Immatriculation des Copropriétés (National Co-ownership Registration Register), managed by Anah. Each registered building lists its current syndic. While consultation is free and public, structured searching by municipality with data export is not a designed use case for this database. The search is fairly tedious, but the data is official.

2. Professional syndic directories

The FNAIM (Fédération Nationale de l'Immobilier) and UNIS publish member directories for syndics by department. Coverage is partial (members only), but quality is high and professional contact details are up to date. For Paris and major urban areas, these directories cover 60–80% of the market.

3. Pages Jaunes Pro and Google Maps

Searching "syndic [town name]" on Pages Jaunes or Google Maps lists publicly visible property management firms with address, phone number, and website. Coverage is near-comprehensive in urban areas, more patchy in rural zones. This is the fastest starting point.

4. The commercial court registry

Professional syndic activity is a regulated occupation requiring registration in the Trade and Companies Register (RCS). The annuaire-entreprises.data.gouv.fr database (based on INSEE's Sirene register) allows filtering by activity and location. APE code 6832A "Administration of buildings and other real estate" targets the majority of syndics.

Method for building the complete list in 2–3 hours

1. Start with Google Maps or Pages Jaunes. Extract the 50–200 property management firms visible in your area. This gives you 60–80% of the market quickly.
2. Supplement with the Sirene database. Filter APE code 6832A by municipality or department to identify structures not listed commercially. This typically adds 10–20% more entities.
3. Cross-check via FNAIM. Verify who is a member and who isn't — useful information to leverage in your outreach message (a FNAIM syndic often identifies strongly with its federation, which is a useful angle).
4. Enrich contact details. For each firm identified, retrieve the professional email, direct phone number, name of the director or main property manager. The legal notices on the firm's website are the most reliable source.

For Paris, a thorough search identifies 800 to 1,200 active syndic firms. For an average town of 50,000 inhabitants: 15 to 40 firms. For a rural department: 80 to 200 firms.

What remains permitted for approaching syndics after August 11, 2026

• B2B professional email to a generic address (syndic@cabinetX.fr) or named address (jean.dupont@cabinetX.fr), with a mention of the data source (website legal notices, FNAIM directory, etc.) and an unsubscribe link in the footer.
• B2B phone call to the firm's landline, unless the number is registered on Bloctel (check before calling for professional mobile numbers).
• Direct mail to the firm's professional address — no change on this channel in 2026.
• In-person visits to the firm during professional opening hours — an accepted practice, though use sparingly (an overwhelmed syndic will shut the door).
• Professional social networks (primarily LinkedIn) — a targeted message to the manager's profile, in compliance with LinkedIn's terms of service (manual sending, no software automation).

What is now prohibited or subject to penalties

• Prospecting SMS to a professional mobile number without prior consent — unless the syndic provided their number in the context of an existing relationship.
• Unsolicited WhatsApp messages to a mobile number — same regime as SMS.
• Phone calls to a Bloctel-registered number, even in a B2B context towards a professional mobile.
• Bulk sending without a simple opt-out — every message must allow unsubscription for free, accessible in fewer than 3 clicks.
• Using a purchased list with no source traceability — the CNIL (France's data protection authority) has been actively auditing this since 2025, and penalties have become significant.

Practical compliance checklist for August 12, 2026

Check	Source / tool
Syndic list built from traceable public sources	Google Maps, FNAIM, Anah, Sirene — no opaque purchased file
Data source mentioned in the first message	"I found your contact details in your website's legal notices / on the FNAIM directory / on Pages Jaunes Pro"
Unsubscribe link present and working	Compliant sending tool (Brevo, Mailjet, outsend, etc.)
Bloctel checked for professional mobile numbers	bloctel.gouv.fr
Data retention limited to necessary duration	CNIL recommendation: 3 years after last contact for non-responding prospects
Opt-out requests handled within 7 days	Documented opt-out tracking
No mention of "fresh list", "up-to-date database", "hot leads" in internal or external communications	Vocabulary to avoid: a sign of pre-law practices

Bloctel and the right reflex before every outbound call

Bloctel is France's telephone cold-call opt-out register, managed at bloctel.gouv.fr. Originally designed for consumers, since 2024 it also accepts registrations of professional mobile numbers used in a mixed personal/professional capacity.

Before any outbound call to a professional mobile (and even some professional landlines hosted on 06/07 numbers), checking Bloctel has become a legal obligation. Penalties for calling a registered number are significant: administrative fines of up to €75,000 per offence for individuals, €375,000 for legal entities.

Bloctel verification is done through Bloctel's professional paid service (subscription to the opt-out list for call centre operators). For a service provider occasionally approaching syndics, the alternative is straightforward: avoid outbound telephone on mobile numbers and prioritise email and LinkedIn.

How outsend helps build this list without risk

outsend's Google Maps scraping module lets you extract all property management firms in a municipality within minutes. The legal-notice extraction module, cross-referenced with the Sirene database, completes the list with structures not visible in commercial directories. Professional emails are retrieved via the built-in email finder, with status labelling (generic contact@ vs. named address).

The result is a CSV/XLSX-exportable list including: firm name, legal director, address, phone number, professional email, website, FNAIM membership status where applicable, and full legal notice data. Source traceability is documented for each contact (Google Maps + website legal notices + Sirene cross-check), securing the legitimate interest legal basis required for B2B outreach post-August 11, 2026.

outsend is in free alpha, available on application. No files sold, no shared database between users — you build your own list from public sources, you own it, and traceability is built in.

FAQ

Does the August 11, 2026 law completely ban outreach to syndics?

No. It regulates the methods, particularly mobile telephone and SMS. B2B professional email to syndics remains possible on the basis of documented legitimate interest with a simple opt-out.

How many active syndics are there on average in a major French city?

Paris: 800–1,200 active firms. Lyon, Marseille, Toulouse: 200–400 firms. A medium-sized town of 50,000 inhabitants: 15–40 firms. Syndic activity is highly geographically concentrated.

Do I need to register with Bloctel to approach syndics?

No — it is the person being contacted who registers. Your obligation is to check that the numbers you call are not registered — either via the professional Bloctel service or by simply avoiding outbound mobile phone as a channel.

Is direct mail still a viable option?

Yes, postal mail is unaffected by the August 11, 2026 law. Higher cost (€0.80–1.50 per send all-in) but excellent read rates in B2B for the syndic audience. A strong channel for strategic approaches targeting 50–200 contacts maximum.

What is a "non-compliant" list and how do you spot one?

A syndic list purchased without clear documentation of its source (provenance, collection date, legal basis, any opt-in) is considered non-compliant by the CNIL. Warning signs: no "data source" mention on contacts, presence of personal contact details (personal mobile, non-professional personal email), no update mechanism. Such lists expose the user to penalties.

How long does it take to build a database of 500 compliant syndics?

Manually: 30–50 hours (research + extraction + enrichment + cross-checking). With an all-in-one tool like outsend: 4–8 hours for the same result, with automatic source traceability.

Want a broader overview? See the guide to compliant property prospecting.

outsend.xyz — B2B scraping and prospecting platform, currently in alpha. Free application at /demander-acces.