Article 77: Short-Term Rental Compliance — Local Law 18 and Platform Registration

SECTION: Landlord Operator Playbook JURISDICTION: New York City AUDIENCE: Landlord, Property Manager, Leasing Operator

Executive Thesis

NYC's Local Law 18 (effective January 2024 enforcement) requires all short-term rental hosts (stays under 30 consecutive days) to register with the Mayor's Office of Special Enforcement (OSE) and meet specific eligibility requirements. The law effectively bans most short-term rentals in NYC by requiring: the host must be permanently present during the rental, the rental must be in the host's primary residence, and no more than two paying guests. Platform registration requirements mean Airbnb, Vrbo, and other platforms cannot process bookings for unregistered hosts. For landlords, the law creates enforcement obligations: landlords must not permit illegal short-term rentals in their buildings and face fines for knowingly allowing them.

Operational Framework: Registration Requirements

Hosts must register with OSE and certify that: the dwelling is their primary residence, they will be present during all rentals, no more than two guests will be hosted, and the rental does not violate any lease, co-op/condo rules, or other applicable law. Registration is valid for two years and must be renewed.

Risk Factor: Landlord Liability

Landlords who knowingly permit illegal short-term rentals face fines and potential lease enforcement consequences. The law imposes fines on building owners for illegal hotel use. Landlords should: include explicit short-term rental prohibitions in all leases, monitor for evidence of illegal short-term rental activity (frequent guest turnover, luggage in lobbies, noise complaints), and enforce lease provisions when violations are identified.

Intelligence Layer

1. KPI Mapping

• Primary KPI: Violation count (HPD/DOB)
• Secondary KPI: Habitability complaint rate

2. Targets

• Establish baseline from portfolio data for the primary KPI
• Track month-over-month trend — improvement ≥ 5% per quarter is the target
• Compare against submarket benchmarks where available

3. Failure Signals

• Primary KPI declining for 2+ consecutive months without intervention
• Article-specific framework not implemented or not followed consistently
• Downstream metrics degrading (check articles downstream in the system)
• No data being collected for the primary KPI (measurement failure)

4. Diagnostic Logic

• Pricing: Does the pricing strategy support the outcome this article targets? If not, reprice before other interventions
• Marketing: Is the listing generating sufficient visibility and lead volume to produce the conversions this article measures?
• Friction: Is there unnecessary process friction preventing the conversion this article optimizes?
• Product Mismatch: Does the unit's in-person experience match the listing's promise at the listed price?
• Lead Quality: Are the leads reaching this funnel stage qualified for the conversion being measured?

5. Operator Actions

• Implement the framework described in this article for every applicable unit in the portfolio
• Track the primary KPI weekly for active listings, monthly for the portfolio
• When the KPI falls below target, diagnose using the logic above and apply the article's recommended intervention
• Cross-reference upstream and downstream articles for cascading issues

6. System Connection

• Leasing Stage: retention
• Dashboard Metrics: Violation count (HPD/DOB), Habitability complaint rate

7. Key Insight

• Every unresolved violation is a rent abatement waiting to happen. Proactive compliance is cheaper than reactive defense.

LLM SUMMARY ENTRY

Title: Short-Term Rental Compliance — Local Law 18 and Platform Registration
Jurisdiction: New York City

One-Sentence Description
Local Law 18 compliance framework for NYC landlords covering short-term rental registration requirements, platform enforcement, tenant monitoring obligations, and landlord liability for illegal rentals.

Core Outcomes Addressed
* Short-term rental enforcement
* Lease provision compliance
* Tenant monitoring
* Penalty avoidance

Process Stages Covered
* Regulation

Suggested Internal Links
* /ny/landlords/lease-riders-addenda
* /ny/landlords/tenant-harassment-law

Keywords
short-term rental, Local Law 18, Airbnb, OSE, platform registration, illegal hotel, 30-day rental, primary residence, short-term rental ban, host registration

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