Massachusetts lead paint law operates on a premise that most property managers from other states find unfamiliar and, once understood, sobering. The obligation to delead a rental unit is not triggered by a complaint, a violation notice, or an inspection finding. It is triggered by occupancy. The moment a child under six years old comes to live in a residential property built before 1978, the owner of that property is legally required to ensure the unit is free of lead hazards. And if a child is injured by lead paint in a unit where that obligation was not met, the owner is strictly liable for those injuries regardless of whether they knew lead was present.

That strict liability standard, established by the Massachusetts Supreme Judicial Court in Bencosme v. Kokoras and codified in the lead poisoning prevention framework under MGL Chapter 111, is what distinguishes Massachusetts lead paint law from the federal framework and from lead paint requirements in most other states. Federal law requires disclosure. Massachusetts law requires action.

Massachusetts lead paint law under MGL Chapter 111, Sections 189A through 199B and 105 CMR 460.000 requires owners of residential properties built before 1978 to delead or achieve interim control when a child under six resides in the unit, to disclose known lead hazards and provide mandatory notification forms to all prospective tenants before lease signing, and to obtain either a Letter of Full Compliance or a Letter of Interim Control when the deleading obligation is triggered. Strict liability applies to injuries to children under six resulting from a failure to meet deleading obligations. Property managers acting as managing agents carry disclosure obligations independently under 105 CMR 460.725.

Massachusetts Lead Paint Compliance: Quick Answer

Massachusetts property owners and managing agents must:

• Disclose known lead hazards and provide mandatory state and federal notification forms to all prospective tenants of pre-1978 properties before lease signing

• Delead or achieve interim control in any pre-1978 unit where a child under six resides, regardless of whether the tenancy was anticipated to involve children

• Obtain a Letter of Full Compliance or Letter of Interim Control from a licensed inspector when the deleading obligation is triggered

• Never refuse to rent to families with children to avoid the deleading obligation

• Ensure deleading work is performed by a licensed deleading contractor or a trained owner operating within permitted scope

Failure to meet these obligations exposes the owner to strict liability for lead injuries to children under six and civil liability under MGL c. 93A for property managers and real estate agents.

When Must Massachusetts Landlords Delead a Rental Property?

Massachusetts requires landlords to delead or achieve interim control in a pre-1978 rental property when a child under six years old resides in the unit. The obligation is triggered by occupancy rather than a complaint, inspection, or government notice. Owners must obtain either a Letter of Full Compliance or a Letter of Interim Control and may face strict liability for injuries caused by lead hazards if they fail to comply.

Here is what this guide covers:

1. Which properties are covered

2. When the deleading obligation is triggered

3. What deleading requires

4. Letter of Full Compliance vs Letter of Interim Control

5. Disclosure obligations before lease signing

6. The prohibition on refusing tenancy to families with children

7. Strict liability and what it means operationally

8. Property manager liability under MGL c. 93A

9. Financial assistance and the deleading tax credit

10. What property managers must have in place

Which Properties Are Covered

The Massachusetts Lead Poisoning Prevention Act applies to all residential properties built before 1978. Any house, apartment, condominium, or other dwelling unit constructed before 1978 is presumed under Massachusetts law to contain lead paint unless a licensed lead inspector has inspected the property and certified otherwise. This presumption is not rebutted by the absence of visible peeling or flaking paint. Lead paint that appears intact can still generate lead dust through friction surfaces such as windows and doors, and can still be ingested by young children who contact surfaces and put their hands or objects in their mouths.

The law covers all residential rental properties without exception, including owner-occupied multi-family buildings, public housing, and subsidized housing. There is no minimum unit count or portfolio size threshold. A landlord who owns a single pre-1978 rental unit is subject to the same framework as a management company with a portfolio of hundreds.

Properties built in 1978 or later are not covered because lead paint was effectively removed from the residential market in 1978. For management companies operating mixed portfolios, the pre-1978 cutoff is the threshold that determines which properties require active compliance management under the lead law.

When the Deleading Obligation Is Triggered

Under 105 CMR 460.100, the obligation to obtain a Letter of Full Compliance or Letter of Interim Control is triggered when a child younger than six years old resides in a pre-1978 residential unit. The obligation arises from occupancy, not from the landlord's knowledge of the child's presence, not from a formal notification, and not from a government inspection. Once a child under six is living in the unit, the obligation exists.

This creates an operational reality that out-of-state property managers consistently underestimate. A tenant who moves in without children and later has a baby or gains custody of a grandchild under six has, by that change in household composition, triggered the owner's deleading obligation for that unit. The obligation does not depend on whether the owner was informed of the change.

The most defensible operational approach is to treat every pre-1978 unit as a unit that may at any time trigger the deleading obligation and to plan accordingly. Property managers who obtain Letters of Full Compliance or Letters of Interim Control proactively during vacancies eliminate the exposure entirely. Those who wait for a child under six to move in before beginning the process face the combination of a triggered legal obligation and a timeline that requires work to be done while managing an occupied tenancy.

What Deleading Requires

Deleading under Massachusetts law is not simply painting over lead surfaces. It requires the removal or permanent covering of lead hazards by methods and persons authorized under 105 CMR 460.000. Deleading must be performed by a licensed deleading contractor or, in certain limited circumstances, by an owner who has completed state-approved training. An unlicensed person who performs deleading work on a rental property has violated Massachusetts law regardless of how well the work was done.

The surfaces that must be addressed are those below five feet that can be accessed or mouthed by young children. This includes doors, windows, window sills, window sashes, baseboards, stairs, railings, chair rails, and wall corners. Window sashes and the friction surfaces of windows and doors are among the highest-risk areas because they generate lead dust through normal use even when the paint appears intact. Only surfaces below five feet are subject to the mandatory deleading requirement under the statute's terms, though intact lead paint above five feet must be disclosed and maintained in good condition.

Work categories under 105 CMR 460.000 are divided by risk level. Low-risk deleading can be performed by an owner who has completed a state-approved low-risk training course. Moderate-risk deleading requires a licensed deleading contractor or an owner who has completed more extensive state-approved moderate-risk training. High-risk deleading must be performed by a licensed deleading contractor. Violations of scope restrictions expose the owner to enforcement action and invalidate the compliance pathway.

Under MGL c. 111, Section 197 and 105 CMR 460.160(A), a dwelling unit may not be occupied while deleading is being conducted. This means the tenant must be temporarily relocated during active deleading work. The obligation to arrange and pay for tenant relocation during deleading is the landlord's responsibility, and failure to provide relocation creates additional legal exposure.

Letter of Full Compliance vs Letter of Interim Control

When the deleading obligation is triggered, the owner must obtain one of two documents from a licensed lead inspector: a Letter of Full Compliance or a Letter of Interim Control.

A Letter of Full Compliance is issued when all lead hazards in the unit have been fully removed or permanently covered through compliant deleading. It is the permanent solution and eliminates ongoing monitoring obligations for the treated surfaces. A unit with a Letter of Full Compliance can be rented to families with children under six without concern about lead paint on the deleaded surfaces.

A Letter of Interim Control is a temporary status document issued when the owner has addressed lead hazards through interim measures such as encapsulation and repair of deteriorated surfaces, but has not completed full deleading. Interim control requires ongoing maintenance and annual reinspection by a licensed inspector. A Letter of Interim Control can be renewed once, giving the owner a maximum of two years to achieve full compliance. At the end of the two-year period, full compliance must be achieved. There is no further extension.

For property managers operating portfolios with pre-1978 units, the two-year limit on interim control is a planning horizon, not a long-term compliance status. A unit that has been under interim control for two years and has not yet achieved full compliance has a triggered obligation that has not been met. Tracking interim control expiration dates across a portfolio requires systematic process management.

Disclosure Obligations Before Lease Signing

Under 105 CMR 460.725, the owner or managing agent of a pre-1978 residential property must, before entering into a tenancy agreement, disclose to the prospective tenant all known information about lead hazards in the property. This includes the location of known lead paint or materials, any lead inspection or risk assessment reports in the owner's possession, and the locations of covered or encapsulated lead hazards.

The Massachusetts Attorney General's Office has published a lead paint advisory specifically for tenants, landlords, and real estate professionals that outlines rights and obligations under the lead and anti-discrimination laws.

The disclosure must be accompanied by specific documents. Massachusetts requires the Tenant Lead Law Notification form developed by the Department of Public Health, which describes the lead law, the deleading requirement, and the tenant's rights. Federal law under 42 U.S.C. Section 4852d requires the EPA pamphlet "Protect Your Family from Lead in Your Home" and a federal Lead-Based Paint Disclosure Form. All of these must be provided and the tenant's receipt acknowledged in writing before the lease is signed.

The disclosure obligation applies to every pre-1978 residential tenancy. It is not limited to tenancies where children are known to be present. The obligation runs from the property's construction date, not from the household composition. A property manager who skips the disclosure because the prospective tenant appears to be a single adult with no children has not complied with 105 CMR 460.725 or the federal disclosure requirements.

The disclosure is also a separate obligation from the deleading obligation. A property that has achieved full compliance and holds a Letter of Full Compliance must still provide the required disclosure forms at every lease signing. Compliance documentation should be provided alongside the mandatory forms.

For a broader look at how Massachusetts disclosure obligations interact with the lease execution framework, see RIOO guide to Massachusetts last month's rent rules and the pre-tenancy documentation requirements that run alongside the lead disclosure obligation.

The Prohibition on Refusing Tenancy to Families with Children

Massachusetts law explicitly prohibits property owners and real estate agents from refusing to rent to families with children, refusing to renew a lease for a family with children, or steering families with children away from pre-1978 properties to avoid the deleading obligation. This prohibition applies under both the Massachusetts Lead Poisoning Prevention Act and the Massachusetts Fair Housing Law.

The prohibition is not a statement of policy preference. It is an enforceable rule with teeth. A property owner who turns away a prospective tenant with a child under six because the unit has not been deleaded has committed a violation of both laws simultaneously. The Massachusetts Attorney General's Office has explicitly stated that property owners cannot avoid the deleading obligation by rejecting families with children, and that refusing to show properties to families with children because they may contain lead is also prohibited.

For property managers, this prohibition eliminates the operational shortcut that some landlords in states without Massachusetts's lead law framework have used: keeping pre-1978 units occupied by renting only to adults without children. That approach is not available in Massachusetts and constitutes illegal discrimination.

Strict Liability and What It Means Operationally

The Massachusetts SJC established in Bencosme v. Kokoras that landlords are strictly liable for injuries to children under six resulting from a failure to comply with the statutory deleading obligations. Strict liability means that the injured child's family does not need to prove that the landlord was negligent, did not take reasonable care, or even knew that lead was present. The failure to comply with the deleading obligation is itself sufficient to establish liability.

This is the most consequential single element of Massachusetts lead paint law for property managers to internalize. A child who is lead-poisoned in a pre-1978 unit where the owner did not obtain a Letter of Full Compliance or Letter of Interim Control creates automatic liability for the owner, subject to any available defenses.

The absence of visible paint deterioration, the landlord's belief that the unit was safe, and the tenant's failure to report symptoms are not defenses.

The damages available in lead paint cases can be substantial. A child with significant lead poisoning may have claims for medical expenses, developmental harm, lost future earnings, and pain and suffering. These are not disputes resolved by a security deposit. For a management company, a single unresolved lead paint injury claim on a non-compliant pre-1978 unit can generate damages that dwarf the revenue from that unit across its entire useful life.

Property Manager Liability Under MGL c. 93A

The disclosure obligation under 105 CMR 460.725 explicitly applies to the managing agent, not only the owner. A property management company that executes leases, conducts tenant onboarding, or otherwise acts as the managing agent for a pre-1978 property carries an independent legal obligation to provide the required disclosures.

Under MGL c. 93A, the Massachusetts Consumer Protection statute, real estate agents and property managers who fail to make required lead paint disclosures may be held civilly liable for actual damages, up to double or triple actual damages for willful violations, and attorney's fees. This exposure runs independently of the owner's strict liability for physical injuries. A property manager that handled leasing for a non-compliant pre-1978 unit, failed to provide the required disclosure forms, and whose tenant later suffered a lead-related injury is not insulated from liability by the argument that the owner was responsible for deleading.

Property managers who include Massachusetts pre-1978 properties in their portfolios should confirm that their standard lease execution workflow includes all required disclosure documents, that their management agreements address lead compliance responsibilities between owner and manager, and that their errors and omissions insurance coverage addresses lead paint related claims. For context on how lead paint counterclaims can arise within Massachusetts eviction proceedings, see RIOO guide to the Massachusetts eviction process.

Financial Assistance and the Deleading Tax Credit

Massachusetts offers a deleading tax credit under MGL c. 62, Section 6(e) and 830 CMR 62.6.3. The credit is available to residential property owners who pay for deleading to bring a unit into full compliance. The credit is equal to the lesser of the actual cost of deleading or $1,500 per dwelling unit. The credit is non-refundable but can be carried forward.

The MassHousing Get the Lead Out program provides loans to residential property owners for deleading costs. Loans are available for owner-occupied and rental properties and are structured to assist owners who cannot finance deleading costs upfront. Various municipal programs and HUD Healthy Homes grants also provide additional financial assistance in certain communities.

The existence of the tax credit and loan programs matters for property managers who encounter owner resistance to deleading on cost grounds. The deleading obligation is not optional, but the financial burden can be reduced through available programs. Presenting the tax credit and loan options alongside the legal obligation is often more effective than leading with enforcement risk alone.

What Property Managers Must Have in Place

Lead paint compliance in a Massachusetts pre-1978 portfolio is not a one-time project. It is an ongoing operational obligation that attaches to every lease transaction and every tenancy.

A compliant disclosure package for every pre-1978 lease. Every new tenancy in a pre-1978 unit requires the Massachusetts Tenant Lead Law Notification form, the EPA pamphlet, the federal Lead-Based Paint Disclosure Form, and disclosure of any known lead hazards or inspection reports. This package must be provided and acknowledged before the lease is signed, not at or after signing.

A unit-by-unit lead status record. Property managers operating pre-1978 portfolios should maintain a record of the lead compliance status for each unit: whether a Letter of Full Compliance exists, whether a Letter of Interim Control is in effect and when it expires, whether no inspection has been conducted, and whether any known lead hazards have been identified. This record is the foundation of compliant portfolio management.

A household composition monitoring process. Because the deleading obligation is triggered by the residency of a child under six, property managers need a process for identifying when the household composition of a pre-1978 tenancy changes to include a young child. Lease renewal processes, annual tenant communications, and move-in questionnaires are all tools for maintaining awareness of household composition changes.

A licensed deleading contractor relationship. When the deleading obligation is triggered, the ability to respond promptly depends on having a licensed contractor available. Property managers with pre-1978 portfolios benefit from established relationships with licensed deleading contractors so that when an obligation arises, the response can begin immediately rather than after a contractor search.

RIOO's leasing management and move-in and move-out management tools support the documentation and disclosure workflows that Massachusetts lead paint compliance requires at every lease transaction across a pre-1978 residential portfolio.

Key Takeaways for Property Managers

• Massachusetts lead paint law under MGL Chapter 111 and 105 CMR 460.000 covers all residential properties built before 1978. These properties are presumed to contain lead paint unless a licensed inspector certifies otherwise

• The deleading obligation is triggered when a child under six years old resides in a pre-1978 unit. It arises from occupancy, not from the owner's knowledge or a formal notification, and applies regardless of whether the tenancy was anticipated to involve young children

• When the obligation is triggered, the owner must obtain a Letter of Full Compliance or Letter of Interim Control. Interim control is a temporary status renewable once, with full compliance required within two years

• Deleading must be performed by a licensed deleading contractor or a trained owner operating within permitted scope. The unit may not be occupied during active deleading work. Tenant relocation is the owner's responsibility

• Massachusetts law prohibits refusing to rent to families with children to avoid the deleading obligation. This is a violation of both the lead law and the Massachusetts Fair Housing Law

• Massachusetts imposes strict liability on property owners for lead injuries to children under six resulting from failure to comply with deleading obligations. The injured family does not need to prove negligence

• Property managers acting as managing agents have independent disclosure obligations under 105 CMR 460.725 and civil liability exposure under MGL c. 93A for failures to provide required disclosures

• A deleading tax credit of up to $1,500 per dwelling unit is available under MGL c. 62, Section 6(e). MassHousing's Get the Lead Out program provides loans for deleading costs

Massachusetts Does Not Treat Lead Paint as a Disclosure Problem. It Treats It as a Compliance Obligation.

Property managers who understand this distinction and build their pre-1978 portfolio management around it, maintaining current lead status records for every unit, providing compliant disclosures at every lease transaction, and responding promptly when household composition changes trigger the deleading obligation, operate with virtually no lead paint liability exposure.

Property managers who treat Massachusetts lead paint law as a disclosure checkbox, who do not track lead compliance status by unit, who skip the Tenant Lead Law Notification form because it seems like a formality, or who assume that an undisturbed pre-1978 unit is safe because no one has complained, are carrying the full weight of strict liability on every pre-1978 unit in their portfolio.

In Massachusetts, the question is not whether lead paint is present. For pre-1978 buildings, it is assumed to be. The question is whether the compliance framework has been followed. For property managers, that question has a definitive answer at every lease transaction. The documentation either exists or it does not.

FAQ

1. Does Massachusetts require landlords to delead all pre-1978 rental properties?
Not proactively for all units. The deleading obligation under MGL Chapter 111 is triggered when a child under six years old resides in the unit. However, pre-1978 properties are presumed to contain lead paint, and the required disclosures must be provided at every lease signing regardless of household composition.

2. What is the difference between a Letter of Full Compliance and a Letter of Interim Control?
A Letter of Full Compliance is issued after all lead hazards have been fully removed or permanently covered. A Letter of Interim Control is a temporary status requiring ongoing maintenance and annual reinspection. Interim control can be renewed once, with full compliance required within two years.

Can a Massachusetts landlord refuse to rent to families with children to avoid deleading?
No. Massachusetts law explicitly prohibits refusing to rent to, or refusing to renew the lease of, families with children on lead paint grounds. This is a violation of both the Massachusetts Lead Poisoning Prevention Act and the Massachusetts Fair Housing Law.

3. What is strict liability in the context of Massachusetts lead paint law?
Strict liability means that if a child under six is injured by lead paint in a unit where the owner failed to comply with deleading obligations, the owner is liable for those injuries without any requirement that the injured party prove negligence or knowledge of the hazard. The failure to comply is itself sufficient to establish liability.

4. What disclosures are required before signing a lease for a pre-1978 Massachusetts rental property?
The Massachusetts Tenant Lead Law Notification form under 105 CMR 460.725, the EPA pamphlet "Protect Your Family from Lead in Your Home," the federal Lead-Based Paint Disclosure Form under 40 CFR Part 745, and disclosure of any known lead hazards or inspection reports. All must be provided and acknowledged before lease signing.

5. Are property managers liable for lead paint compliance failures in Massachusetts?
Yes. Property managers acting as managing agents have independent disclosure obligations under 105 CMR 460.725 and can face civil liability under MGL c. 93A for failures to provide required disclosures, including potential damages of double or triple actual damages plus attorney's fees for willful violations.

6. Is there financial assistance available for deleading in Massachusetts?
Yes. A tax credit of up to $1,500 per dwelling unit is available under MGL c. 62, Section 6(e). MassHousing's Get the Lead Out program provides loans. Municipal and HUD-funded programs provide additional assistance in some communities.

The information in this article reflects Massachusetts lead paint compliance requirements under MGL Chapter 111, Sections 189A through 199B and 105 CMR 460.000 as of 2026. Property managers should verify current requirements with the Massachusetts Department of Public Health and consult qualified Massachusetts legal counsel before making compliance decisions for any specific property or situation.