On your home page, I would take advantage of heading tags. In an h1 tag I would put "Moser Brothers - Carpet Cleaning Sacramento CA" right at the top of the content.
Beef up your homepage content - try writing it in a way that you can link to other pages within your site.
On your about us page, place a link with an anchor text to go to your contact page toward the bottom. "Click here to email us" or similar.
Combine Carpet & Upholstery on one page.
Considering making a separate page for each service and have sub page drop down menu underneath the services menu tab to access.