The family agrees, but the ownership record is unclear
Informal permission does not show every recorded owner, lien, estate interest, access right, or signature requirement.
Gather the current deed and referenced records, then ask the appropriate title, closing, or legal professional what authority and documents are needed.
The land will not be transferred
A lease or other use arrangement can affect lender, insurer, title, utility, removal, improvement, and long-term responsibility questions.
Put the intended arrangement in writing for qualified review before relying on financing, utility, site-work, or home-placement assumptions.
The parcel already has a house or septic system
Existing use does not establish that another manufactured home, address, driveway, wastewater path, well, water tap, or electric service is allowed or adequate.
Ask the responsible planning, Environmental Health, addressing, road, and utility sources what property-specific review applies.
My relative gave permission
Permission does not identify the legal homesite, public land-use path, recorded access or utility rights, wastewater capacity, address, financing interest, title treatment, or what happens if the property changes hands.
Document the parcel, owner, proposed arrangement, existing dwellings, home, homesite, access, utilities, and unresolved legal or financial questions; take each question to its responsible public office or qualified professional.
The family property already has a house and utilities
Existing service does not establish that a second home is allowed or that the septic, well, driveway, address, electric service, easements, or customer-owned lines can serve it.
Ask each responsible source about the proposed additional dwelling and exact location, then define any private provider scope from those dated responses.
A provider is ready to quote the site work
A quote can define private work, but it does not settle the family agreement, jurisdiction, land use, wastewater, legal access, utility rights, financing, title, or permit path.
Give the provider the current parcel and authority evidence, site sketch, proposed home, access, known utility and wastewater records, requested scope, exclusions, and open dependencies.