Is $11,000 to build a raised paver patio a fair price?

This quote is for the installation of a 500 sq ft paver patio, including excavation, base preparation, and additional landscaping elements. The scope of work includes: - Excavation: Approximately 10 inches of dirt where the patio will be installed. - Base Installation: Proper base per paver manufacturer's specifications, consisting of compacted subbase, 6-8 inches of compacted QP, and 1.5-2 inches of compacted stone dust. Proper pitch will be maintained to prevent any sitting water. - Demolition: Removal of the concrete landing pad for existing deck stairs. - Landscape Bed: Creation of a raised landscape bed inside the patio between the patio and the home's foundation. The bed will be 3.5-4 feet wide and will include plant material of the homeowner's choosing. - Paver Installation: Installation of concrete pavers of the homeowner's choosing. - Edging: Installation of plastic edging around the perimeter. - Joint Filling: Installation of polymeric sand into joints to bind pavers. - Drainage: Rerouting of 1 downspout leader to be directed towards the driveway instead of on top of the pavers.

This quote is for the installation of pavers on our back patio. The contractor has completed approximately 60-70% of the work, with some key steps remaining. - Leveling the patio area - Installing road base - Installing decomposed granite - Laying pavers - Compacting pavers (pending) - Cutting and installing edge pavers (pending) - Brushing in polymeric sand (pending) - Step work: pouring concrete to make the step taller and applying pavers to the step (pending)

This quote includes the construction of a 650 square foot paver patio and an 8-10 foot retaining wall/flower bed. - Patio Size: 650 sqft - Patio Material: Pavers - Additional Structure: Retaining wall/flower bed - Retaining Wall/Flower Bed Length: 8-10 feet