Provision record
Nextdoor · Nextdoor Privacy Policy · View original document ↗

Advertising Data Sharing (Hashed Emails and Advertising Identifiers)

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Document Record

What it is

The policy authorizes sharing hashed email addresses and device advertising identifiers with third-party advertising partners, who may use this information to serve targeted ads to members and similar audiences both on Nextdoor and on other websites and services.

This analysis describes what Nextdoor's agreement states, permits, or reserves. It does not constitute a legal determination about enforceability. Regulatory applicability and practical outcomes may vary by jurisdiction, enforcement context, and individual circumstances. Read our methodology

ConductAtlas Analysis

Why it matters (compliance & governance perspective)

This provision authorizes cross-platform advertising data flows involving pseudonymous but potentially re-identifiable identifiers, and the geographic qualifier 'where permissible according to applicable law' indicates that the scope of this sharing varies by jurisdiction depending on applicable consent or opt-out requirements.

Recent Activity

This document changed recently

Medium Apr 29, 2026

The updated footer no longer includes a direct link to the 'Do not Sell or Share My Personal Data' page. Previously, this link provided quick access to California Consumer Privacy Act (CCPA) opt-out controls from the footer menu. Users can likely still access these controls through the main Privacy Policy page or dedicated privacy settings, but the removal eliminates a prominent, footer-based navigation shortcut. You should verify whether this opt-out functionality remains accessible through other menu locations or settings.

View change record →

Clause Stability Stable

0
Changes
4
Months Monitored
Jul 9, 2026
First Seen
Jul 9, 2026
Last Seen

Consumer impact (what this means for users)

Under this clause, the agreement permits Nextdoor to share hashed emails and advertising identifiers with third-party advertising networks, who may associate this data with other information they hold about you and use it to deliver targeted advertising across multiple platforms beyond Nextdoor.

What you can do

⚠️ These actions may provide transparency or partial mitigation but may not fully address the underlying issue. Effectiveness varies by jurisdiction and individual circumstances.
  • Opt Out of Arbitration
    Navigate to Privacy Settings in your Nextdoor account and review advertising opt-out options; for jurisdiction-specific opt-out procedures, consult the Jurisdiction-Specific Disclosures linked in the policy.

Cross-platform context

See how other platforms handle Advertising Data Sharing (Hashed Emails and Advertising Identifiers) and similar clauses.

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▸ View Original Clause Language DOCUMENT RECORD
"
Where permissible according to applicable law, we may share certain personal information, such as hashed emails and advertising identifiers, with our advertising partners that help serve targeted advertising to those Members or to similar audiences. Our advertising partners may be able to associate this information with you based on your advertising identifiers or other personal information they have about you. Our advertising partners may then use the information they collect to provide our Members with personalized ads on Nextdoor as well as on different websites and services, and to measure the effectiveness of their ads.

Excerpt from Nextdoor's Privacy Policy

ConductAtlas Analysis

Institutional analysis (regulatory & governance intelligence)

1.

Insight

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Enforcement risk, jurisdiction flags, contract triggers, and due diligence action items.

Applicable agencies

  • Federal Trade Commission (ftc)
    Oversees unfair or deceptive business practices and can investigate companies that mislead consumers about data collection, sharing, or use.
    Who can file: Anyone affected by the company's practices (US or international)
    What you need: Your account details, a timeline of relevant events, and a description of the specific issue
    What to expect: Complaints inform FTC enforcement priorities and investigations but do not result in individual resolution or compensation
    File a complaint →
  • State Attorney General
    State AGs in California, New York, Texas, and other states can investigate violations of state consumer protection and privacy laws, including CCPA (California), SHIELD Act (New York), and equivalents.
    Who can file: Residents of states with comprehensive privacy laws — primarily California, Virginia, Colorado, Connecticut, and Utah
    What you need: Evidence of the violation, explanation of how your state rights were affected, and your account or contact information with the company
    What to expect: Outcomes vary by state. May result in investigation, enforcement action, or requirement for the company to change practices. No direct individual compensation in most cases.

    Search "[your state] attorney general consumer complaint" to find your state's direct complaint form

Provision details

Document information
Document
Nextdoor Privacy Policy
Entity
Nextdoor
Document last updated
May 5, 2026
Tracking information
First tracked
July 9, 2026
Last verified
July 9, 2026
Record ID
CA-P-015130
Document ID
CA-D-00428
Evidence Provenance
Source URL
Wayback Machine
Content hash (SHA-256)
69ebea33e62ca1b8561bc95db06a4b5d213b6898e4f8e74ba3d585d3daee9d2b
Analysis generated
July 9, 2026 07:15 UTC
Methodology
Evidence
✓ Snapshot stored   ✓ Hash verified
Citation Record
Entity: Nextdoor
Document: Nextdoor Privacy Policy
Record ID: CA-P-015130
Captured: 2026-07-09 07:15:24 UTC
SHA-256: 69ebea33e62ca1b8…
URL: https://conductatlas.com/platform/nextdoor/nextdoor-privacy-policy/provision/CA-P-015130/advertising-data-sharing-hashed-emails-and-advertising-identifiers/
Accessed: Sept. 8, 2026
Permanent archival reference. Stable identifier suitable for legal filings, compliance documentation, and research citation.
Classification
Severity
High
Categories

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Frequently Asked Questions

What does Nextdoor's Advertising Data Sharing (Hashed Emails and Advertising Identifiers) clause do?

This provision authorizes cross-platform advertising data flows involving pseudonymous but potentially re-identifiable identifiers, and the geographic qualifier 'where permissible according to applicable law' indicates that the scope of this sharing varies by jurisdiction depending on applicable consent or opt-out requirements.

How does this clause affect you?

Under this clause, the agreement permits Nextdoor to share hashed emails and advertising identifiers with third-party advertising networks, who may associate this data with other information they hold about you and use it to deliver targeted advertising across multiple platforms beyond Nextdoor.

Is ConductAtlas affiliated with Nextdoor?

No. ConductAtlas is an independent monitoring service. We are not affiliated with, endorsed by, or sponsored by Nextdoor.