You can also get ownership information at the County Recorders office.

If you check your deed there is probably an easement of some type to allow access for all the homes off  your road Is is shared ownership of the road or does one property have a dominant or servient  easement?

hello KimI'm newI'm a licensed  gc  in  calif  builder/ investor 30 years experience  in lake arrowhead ca  and high desert my advice , keep this close to you, don't employ realtor at this time , first you should approach, hall of records  search out ownership, physically  so you understand  simple puplic  search example  is he owner, clear title no encumbrances,  you'll see a surveyor plot line and stamped  engineering, print all documents,  then proceed  immediately to  building dept, talk with planing for this specific lot,,   you might just discover  it's small in lot size and or land locked,,,  or it might have a grandfather Claus  now you'll  have your ammunition,  for pursuing,  on a land contract ,,,  beware of  how he purchased  online,, and  here's a fact ,   I have purchased lots  amongst  the feeding  frenzy of  builders who oNE reason or other overlooked, or could not in fact figure out the build,,,,,lastly  my saying  it was min to begin with    best regards  on your  hunt 

While the seller still holds the deed (as a lender), you have ownership rights, unlike the lease option. 

For example in the "prohibited zone" of Mexico, foreigners are not allowed direct ownership, but get around that by buying 99 year leases.

I would want 60% - 70% ownership depending on your track record.

See if the property taxes are being paid.Look at where that bill is mailed.If taxes are being paid, and you know where that bill goes, you've got the address of someone that checks the mail that probably has an ownership interest in the building (IDK about you, but I don't like the idea of paying someone else's property tax bill...).Send a letter.Your agent and/or lender can also pull a property profile that should give some insight into the chain of title etc.

Is there any risk of losing ownership?

Some here at BP try to hide their ownership, but I never have in 19yrs. 

The book, Millionaire Next Door identifies manufactured housing community ownership as the number one way self made millionaires use to do so.So, what is the problem?