Public directories no longer yield much since PagesJaunes stopped paper publishing and refocused its offering on B2B. Pages Blanches now filters out the majority of complete addresses in free access. To locate someone based on their identity, one must cross-reference multiple sources and adhere to a legal framework that is stricter than it seems.
GDPR and Personal OSINT: The Legal Framework That Guides Overlook
The CNIL clarified its position in 2023: cross-referencing multiple public databases to locate a person constitutes personal data processing subject to GDPR, even for an individual, as soon as the approach is structured and repeated. Most general public articles on the subject ignore this qualification.
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In practice, a one-time search for a former family contact remains lawful. However, systematically compiling results from LinkedIn, commercial court registers, social networks, and a reverse directory to build a profile of a person crosses into the realm of doxxing, which is punishable by law.
We recommend documenting the reason for the search before initiating it. A legitimate reason (finding a relative, sending a notarized document, contacting a debtor in a judicial context) limits the risk. Collecting data without a clear purpose exposes one to a CNIL complaint and criminal prosecution if the address is subsequently disclosed.
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Reverse Directories and Public Databases: What Still Works
Directories like Pages Blanches remain a first reflex, but their coverage has significantly decreased. The majority of mobile lines are not listed there, and new registrations for landlines are becoming rare. Several methods allow you to find an address using a person’s name by combining these public sources.
Still Usable Sources
- Electoral Register: accessible at the town hall under certain conditions, it mentions the associated address. On-site consultation is allowed, but full copies are not for individuals.
- Universal Directory (service-public.fr): allows you to find a landline number associated with a name and a municipality, provided the subscriber has not requested an unlisted number.
- Commercial and Companies Register (Infogreffe, Pappers): for a company director, the Kbis extract mentions a registered address that may correspond to their personal residence. This information is public and freely accessible.
- Online Cadastre (cadastre.gouv.fr): if you know the municipality, a search by owner name returns the owned parcels. The property’s address is not the same as the residence, but they often coincide for individuals.
The common point of these sources: none provide a guaranteed result on their own. It is the cross-referencing that produces a reliable location, which brings us back to the GDPR question addressed above.
Email Search and Professional Networks: Advanced Methods
When the name alone is not enough, the email address is the best pivot identifier. A professional email often contains the company’s domain name, allowing one to deduce the geographical area of the workplace.
Using LinkedIn Without Violating Terms of Service
LinkedIn displays the geographical area declared by the user (city or urban area). The majority of active profiles at least provide the metropolitan area. Combined with the company’s name, this information significantly narrows the search perimeter.
Note: automated scraping of LinkedIn is prohibited by its terms of use. Manual consultation of a public profile remains lawful.
Email Verification Tools
Services like Hunter or Snov allow you to verify if an email address is associated with a company domain. They do not provide a postal address, but confirm the existence of a link between a person and an organization, which directs the subsequent search towards the Kbis or the institutional website.
Sequential Method to Locate an Address with a Name
Rather than a random list of tools to test, we recommend an ordered sequence that maximizes the success rate while minimizing unnecessary data collection.
- Step 1: launch an exact search “First Name Last Name” in quotes on Google. Analyze the first-page results: social profiles, mentions in general assembly minutes published in the BODACC, local press articles.
- Step 2: if the person is or has been a director, consult Pappers or Infogreffe to retrieve the registered address listed in the RCS.
- Step 3: check the online cadastre for the identified municipality. A name of the owner will appear if the person owns real estate.
- Step 4: as a last resort, contact the town hall of the presumed municipality to consult the electoral register on-site.
Each step is only justified if the previous one did not yield results. Accumulating data beyond what is necessary increases legal risk without improving the outcome.
Concrete Limits and Common Mistakes
Homonyms remain the main trap. A common name generates dozens of results on both Pages Blanches and the cadastre. Without additional discriminating elements (date of birth, municipality, profession), the risk of confusion is real.
Another common mistake: confusing the registered address of a company with the actual residence. Commercial domiciliation companies provide a postal address that has no connection to the director’s place of residence. Verifying the nature of the address via Societe.com or Pappers avoids this false positive.
Paid services like “people search” (often hosted abroad) compile outdated databases and charge for access to data that may be several years old. Their reliability is low, and their GDPR compliance is rarely demonstrated.
Searching for an address by name remains possible in France, but the shrinking of free public databases and the tightening of the GDPR framework require a methodical approach. Prioritizing official registers (RCS, cadastre, electoral lists) over third-party aggregators yields better results and limits legal exposure.