Delaware

Delaware Lead Disclosure & Prevention Law

Delaware doesn’t yet have a statewide rental inspection mandate as strict as New Jersey or Philadelphia — but federal disclosure law, the Childhood Lead Poisoning Prevention Act, and local ordinances in Wilmington still impose real requirements. Here’s what applies to you.

State Citation
16 Del. C. Ch. 26
Federal Rule
24 CFR 35
Applies To
Pre-1978 Rentals
Key Local Rules
City of Wilmington

The three layers of Delaware lead law

Delaware lead compliance is a stack of three sets of rules — federal, state, and local. Understanding which applies depends on the property’s location, age, and use.

Layer 1 — Federal lead disclosure (24 CFR 35)

The federal Residential Lead-Based Paint Hazard Reduction Act of 1992 applies in every state, including Delaware. For any pre-1978 residential property being sold or rented, the seller or landlord must:

  • Disclose any known lead-based paint or hazards
  • Provide the EPA pamphlet “Protect Your Family From Lead in Your Home”
  • Include a federal lead disclosure form (signed by both parties) with the lease or sale contract
  • Allow buyers a 10-day period to conduct an inspection if they choose

Layer 2 — Delaware Childhood Lead Poisoning Prevention Act

Codified at 16 Del. C. Ch. 26, Delaware’s state law focuses on early identification of lead exposure in children. It requires:

  • Blood-lead screening for children at 12 and 24 months of age
  • Reporting of elevated blood-lead levels to the Delaware Division of Public Health
  • State-led environmental investigation when a child has an elevated reading
  • Property owners to cooperate with the investigation and remediation

This is reactive law — it’s triggered when a child tests high. It does not require landlords to inspect proactively in most cases. But once an investigation begins, the state can require a full lead inspection of the property.

Layer 3 — Local ordinances (Wilmington)

Several Delaware municipalities have added their own rental requirements:

  • City of Wilmington — Has a rental property licensing program that requires lead-safe certification or risk assessment for pre-1978 rentals in some circumstances. Requirements have tightened in recent years.
  • Newark, DE — Adopting expanded rental codes that touch on lead disclosure for pre-1978 housing.

Confused about which rules apply? If your rental is in Wilmington or another Delaware municipality with its own ordinance, the local rules likely add to the federal disclosure baseline. Tell us the address and we’ll tell you exactly what’s required. Call (215) 284-0086.

When you need a lead inspection in Delaware

Even though there isn’t a statewide rental inspection mandate, you should consider a Bay Hill lead inspection in these scenarios:

  • Buying or selling a pre-1978 home — A pre-purchase inspection protects you from inheriting a hidden lead problem and helps you negotiate.
  • Renting to families with young children — A Lead-Safe certificate dramatically reduces your liability if a child develops elevated blood-lead levels.
  • Wilmington rental licensing — Local rules may require it.
  • Renovating a pre-1978 property — Federal RRP rules apply. We test before renovation to protect your contractor and your tenants.
  • After a state lead investigation — If a child in one of your units tested high, an inspection is usually mandatory and time-sensitive.

What an inspection includes

  • Visual assessment of all painted surfaces (interior and exterior)
  • XRF analysis to detect lead in paint
  • Dust-wipe sampling on windowsills, floors, and other key surfaces
  • Soil sampling around the foundation and play areas (if applicable)
  • Water testing for lead from old pipes or solder (if requested)
  • A full written report you can submit to your local rental authority or use as a defense if a complaint is filed

Penalties for non-compliance

Federal lead disclosure violations carry real teeth:

  • Federal civil penalties of up to $22,000 per violation (adjusted annually for inflation)
  • Triple damages in private lawsuits brought by tenants or buyers
  • Lease enforceability can be affected
  • Local penalties vary by municipality and can include rental license suspension
  • Liability if a child develops elevated blood-lead in your property

How Bay Hill helps Delaware property owners

  • EPA-certified inspections accepted by every Delaware municipality
  • Proper federal lead disclosure documentation for closings and lease signings
  • Same-week scheduling for closings and licensing deadlines
  • Wilmington experience — we know the local quirks
  • Pre-renovation testing for contractors working on pre-1978 properties

Frequently asked questions

Does Delaware require a periodic rental inspection like NJ?

Not at the state level — at least not as of May 2026. Delaware’s state law focuses on childhood blood-lead screening and reactive investigation. However, Wilmington has added local inspection requirements for some rental categories, and the legislature has considered expanding state-level rules several times. We’ll tell you what currently applies to your property.

What’s the federal lead disclosure form?

It’s a one-page form titled “Disclosure of Information on Lead-Based Paint and/or Lead-Based Paint Hazards” that must be signed by the seller or landlord and the buyer or tenant for any pre-1978 transaction. The form, the EPA pamphlet, and a 10-day inspection contingency (for sales) are required by federal law and apply in every state including Delaware.

I’m buying a pre-1978 home in Delaware. Should I get a lead inspection?

Yes, especially if you have or plan to have young children, or if you’ll be renovating. Lead remediation is expensive and disruptive — finding out before closing gives you negotiating leverage. We can usually schedule within your due-diligence window.

How does Wilmington’s rental licensing work?

The City of Wilmington requires landlords to obtain a rental license for each rental property, and lead-related requirements have been tightening as part of that process. The exact requirement depends on property type, age, and tenant profile. Tell us your Wilmington address and we’ll tell you what’s needed for your specific license.

What happens if a child in my Delaware rental tests positive for lead?

The state’s Childhood Lead Poisoning Prevention program will open an environmental investigation. You’ll typically be required to allow inspection of the property and to remediate any identified hazards. A pre-existing Lead-Safe or Lead-Free certificate from Bay Hill is the strongest evidence you can present that the lead source was not your property.

How much does a Delaware inspection cost?

Single-unit inspections typically run $295–$395. Pricing depends on property size, location, and whether you want Lead-Safe (visual + dust wipe) or Lead-Free (full XRF). Call (215) 284-0086 for a fixed quote.

Disclaimer: This page is informational only, current to May 2026, and not legal advice. Delaware lead law continues to evolve, and local Wilmington rules are updated periodically. For requirements specific to your property, contact the Delaware Division of Public Health, the City of Wilmington Department of Licenses & Inspections, or call Bay Hill Environmental at (215) 284-0086.

Closing on a Delaware home? Renting in Wilmington?

Federal disclosure rules and Wilmington local requirements still apply. We can schedule an EPA-certified inspector within the week.

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