When people are planning on making home improvements to their houses, they usually do an online search to find a good company to do the work. Whichever websites are found on the first page of a Google or Yahoo listings, these companies will usually get the phone calls and requests for quotes.
When choosing a domain name it helps in the search engine rankings to use your town's name in the domain, for example best SanDiegohomeimprovements.com. Once you have registered your domain name, you'll need to sign up for web hosting. Host Gator is a very reliable web hosting company, and their hosting will only cost you five dollars a month.
Next you'll need to find a good HTML template. Just do a web search for "contractor HTML template" and have a look at the results. You should be able to find a nice looking one for 40 or $60 or maybe even free. Then download it and save it to your computer and open the index file with your HTML editor and add your company's information. Be sure and fill out the title tag with your town and state and specialty of your home improvement. Also, fill out the meta tag descriptions and keywords as these are very important in having your website rank well in the search engine results pages.
Here's a killer tip to set your company apart from other home-improvement businesses, have someone help you make a one or two minute video of you talking about what exactly your business does and why your prospects should call you and upload that video to youtube.com and then embed the code onto your index page. People will be impressed and you certainly will get more calls to your business.