Catalogne visited Longueuil in 1712 he noted that the
habitants were living in comfortable circumstances, by
reason of the large expenditures which the seigneur had
made to improve the land and the means of communication.
Whatever Charles Le Moyne could gather together was not
spent in riotous living, as was the case with so many of
his contemporaries, but was invested in productive
improvements. That is the way in which he became the
owner of a model seigneury.

A seigneur so progressive and successful could not escape
the attention of the king. In 1698 the governor and the
intendant joined in bringing Le Moyne's services to the
favourable notice of the minister, with the suggestion
that it should receive suitable acknowledgment. Two years
later this recognition came in the form of a royal decree
which elevated the seigneury of Longueuil to the dignity
of a barony, and made its owner the Baron de Longueuil.
In recounting the services rendered to the colony by the
new baron the patent mentioned that 'he has already
erected at his own cost a fort supported by four strong
towers of stone and masonry, with a guard-house, several
large dwellings, a fine church bearing all the insignia
of nobility, a spacious farmyard in which there is a
barn, a stable, a sheep-pen, a dovecote, and other
buildings, all of which are within the area of the said
fort; next to which stands a banal mill, a fine brewery
of masonry, together with a large retinue of servants,
horses, and equipages, the cost of which buildings amount
to sixty thousand livres; so much so that this seigneury