I have been working with Clear Media Inc , a web design and SEO firm Los Angeles CA for over 3 yrs now .
They have helped me grow my business tremendously!! They are running our SEO and Blog site for us and its been superb !
Check them out www.clearmediaonline.com and I bet you will find them the most affordable web design company in the Southern California area .
I wish you the best on your endeavors .