We encountered this last year when we were apartment hunting. MA lead laws are meant to protect kids but in practice mean that families with children are simply ignored in favor of other applicants. The burden is on the landlord to remediate for lead, and since their not even willing to pay for their own realtors in this town - putting the burden on leasees instead - they're certainly not interested in that.

We ended up not disclosing unless the apartment was newly renovated or there were children in situ already. Huge issue that's underreported