What Buyers Need to Know About Property Law Before Buying a Home in Massachusetts
Buying a home in Massachusetts involves more than federal real estate rules. The state adds its own rules for inspections, lead paint, septic systems, and requirements tied to closing.
Some state laws go beyond federal requirements. Others address areas where federal law provides little or no regulation. States and local governments can establish requirements that federal law does not cover. The difference matters in practice. A buyer might assume a standard federal rule applies to their purchase. Partway through, they may discover Massachusetts has added something extra.
The Massachusetts Property Laws Buyers Need to Know
The laws that matter most often aren’t visible during a walkthrough. They shape your inspection rights and can determine what obligations transfer to you after closing.
According to Redfin, the median home sale price in Boston is $850,000. If you’re browsing homes for sale, it’s worth understanding these laws before you book a showing or write an offer.
Below are five Massachusetts laws and regulations that deserve a closer look.
1. Know Your Rights Under the Home Inspection Regulation (760 CMR 74.00)
Federal law doesn’t guarantee a residential buyer the right to a home inspection. Whether you get one, and what happens after, depends on applicable state rules and the terms of the purchase contract.
Massachusetts handles this differently. Since October 15, 2025, sellers can’t tie an offer’s acceptance to an inspection waiver or limit. This is barred under regulation 760 CMR 74.00. It was adopted by the Executive Office of Housing and Livable Communities under the Affordable Homes Act. Sellers also generally cannot accept an offer after a buyer has indicated before acceptance that they intend to waive the inspection.
The regulation still leaves room to negotiate. Buyers and sellers can agree to reasonable inspection terms, like a repair-cost threshold or a limited deposit forfeiture. A buyer can also choose to waive the inspection after the offer is accepted, provided the decision is not influenced or required by the seller or seller’s agent.
Buyers who compare Boston listings on platforms like Houzeo should keep this distinction in mind. Finding a home and evaluating its condition are two separate steps, and Massachusetts rules protect the buyer’s ability to obtain an inspection. This matters most in a competitive market. You may not need to give up your inspection rights just to make an offer look more appealing.
2. Check the Massachusetts Lead Law Before Buying an Older Home
Federal law mainly focuses on disclosure. For homes built before 1978, sellers must disclose known lead-based paint information and hand over any available records. They must also provide the EPA’s lead-safety pamphlet and give buyers a chance to arrange a lead inspection or risk assessment.
Massachusetts builds on top of that. Under the state’s Lead Law, owners must generally address dangerous lead hazards when a child under six lives in a pre-1978 home. This law is Massachusetts General Laws Chapter 111, Sections 190 through 199A. It’s backed by regulations at 105 CMR 460.000.Â
When ownership of such a home changes hands, the new owner generally has 90 days after taking title to obtain a Letter of Full Compliance or Letter of Interim Control if a child under six will live or continue to live in the home. That shifts what due diligence actually looks like for a buyer.
Federal disclosures provide information about known lead hazards and available records, but they don’t replace the buyer’s own due diligence. The Massachusetts Lead Law can turn that same information into a responsibility the new owner has to handle.
Before you commit to an older home, review its lead inspection reports, any compliance paperwork, and any outstanding requirements.
3. Investigate the Septic System Under Title 5 (310 CMR 15.000)
Federal law mostly steers clear of individual residential septic systems, leaving that to states and local governments. The EPA is explicit that it doesn’t regulate septic systems for single-family homes. Massachusetts regulates them through Title 5, the state’s septic regulations found at 310 CMR 15.000.
Under Title 5, a septic system generally must be inspected within two years before a qualifying sale. If weather prevents an inspection before the sale, Title 5 allows it to occur within six months afterward, provided the seller notifies the buyer in writing. Certain transfers, including those between current spouses, parents and children, or full siblings, are exempt.
The buyer must receive a copy of the inspection report. If the system fails, it generally must be upgraded within two years, unless the local Board of Health or MassDEP signs off on a different timeline.
The inspection isn’t just relevant to the sale itself. A bedroom addition, certain changes in use, or an altered building footprint can trigger further Title 5 requirements down the road.
So if a Massachusetts property comes with a private septic system, don’t treat that report like a routine checkbox on the home inspection. Ask for the Title 5 report directly, and figure out who would be on the hook for any repairs.
4. Get the Required Certification Under the Smoke and CO Alarm Law (M.G.L. c. 148, §§ 26F and 26F½)
Federal law does not impose a comparable Massachusetts-style requirement for a local fire department to inspect smoke and carbon monoxide alarms as part of a residential sale.
Massachusetts does require this, under General Laws Chapter 148, Sections 26F and 26F½.
When a covered residential property is sold or transferred, the local fire department must inspect its smoke and carbon monoxide alarms. If everything meets state requirements, the department issues a Certificate of Compliance.
Exactly what’s required can shift depending on when the home was built and when any major renovations took place. The certificate expires 60 days after issuance.
This can turn into a real closing problem for buyers. If the alarms fail inspection, the seller may need to fix the issue before the department will issue a certificate. As closing approaches, buyers should confirm two things: has the inspection been scheduled, and is a valid certificate already in hand?
5. Review the Rules That Come With a Massachusetts Condo Under Chapter 183A
If you’re buying a condominium rather than a single-family home, Massachusetts adds another unique legal layer.
There’s no broad federal condominium statute that mirrors Massachusetts’ Chapter 183A, the Massachusetts Condominium Act. States mostly govern condominium ownership on their own, along with whatever the individual association’s documents say.
That means a condo purchase takes more than an inspection of the unit itself. Before you commit, review the master deed, declaration of trust, bylaws, and other condominium documents. Check the budget, assessments, insurance coverage, parking rights, and rental restrictions. Find out whether the unit carries any outstanding condo fees or assessments.
You’re not just buying four walls. You’re buying into a legal structure that’s shaped by Chapter 183A and by that specific condominium’s governing documents.
Massachusetts Law Can Change Your Due Diligence
Federal law does establish real protections for homebuyers, but it doesn’t cover every corner of a residential transaction.
Massachusetts fills several of those gaps with its own laws and regulations. The state protects certain inspection rights through 760 CMR 74.00, applies Title 5 requirements to qualifying septic systems, adds obligations tied to lead hazards under the Lead Law, and requires smoke and carbon monoxide compliance certification as part of covered residential sales.
The practical takeaway is straightforward. Federal rules alone won’t tell you everything you need to know before you buy in Massachusetts.
Check the property’s inspection rights, lead records, septic system status, safety certificates, and any condominium documents before you head toward closing. These state-specific laws and regulations can help you catch costs and obligations that a listing or a standard home inspection might not reveal.