The Domesday Book of 1086 records that while the majority of Urse's lands were in Worcestershire, he also held land in Warwickshire, Herefordshire, and Gloucestershire. He held Salwarpe in Worcestershire, the caput of his feudal barony, from Roger de Montgomery, Earl of Shrewsbury, and Earl of Arundel. His lands in Warwickshire were held directly from the king, as a tenant-in-chief, while others were held as an under-tenant of others who had their lands directly from the king. Urse's lands in Herefordshire likewise were held as a mixture of tenant-in-chief and sub-tenant, as was also the case in Gloucester. Of the lands that Urse held in Worcestershire, he held them both directly from the king and from the Bishop of Worcester. Domesday also records that the revenue that Urse was responsible for as sheriff was £128 and 4 shillings from Worcestershire. This was just the amount due for the royal estates in Worcester, as Urse was also responsible for payments of £23 and 5 shillings for the royal lands in the Borough of Worcester, £17 as profits on the shire and hundred courts with an additional £16 or a hunting hawk, specifically a "Norway hawk"; also due from the courts. Urse also had to pay the queen £5 plus £1 additional for a "sumpter horse". All of these payments were guaranteed by Urse, who had to make up any shortfall. Domesday makes it obvious that Urse was the most powerful layman in Worcester, and the only person who could contest his power in the county was the Bishop of Worcester. The power struggle continued into the 12th century, as Urse's descendants still contested the bishops. Only one other layman is recorded as having a castle in Worcestershire in Domesday, and he held much less land than Urse. After the death of King William I of England, Urse continued to serve William's sons and successors, Kings William II Rufus and Henry I. While William I granted the duchy of Normandy to his eldest son, Robert Curthose, England went to his second surviving son, William Rufus. Henry (later Henry I), the youngest son, was given a sum of money. In 1088, shortly after William Rufus became king, Urse was present at the trial of William de St-Calais, Bishop of Durham, and is mentioned in "De Iniusta Vexacione Willelmi Episcopi Primi", a contemporary account of the trial.