If approved, the online real estate brands will live on separately but offer combined home listings for prospective buyers.
Free app for iPad and Web features thousands of photos of home improvement projects, as well as localized estimates for project costs.
The company's stock soars from its initial price of $20 a share on its first day of trading. Zillow sold 3.46 million shares to raise $70 million.
The online real estate listings company has priced its IPO between $12 and $14 a share.
The company reports that it generated $38.5 million in revenue in 2011, but lost $6.2 million during the year.
Larry Magid talks with Zillow CEO Spencer Rascoff about the company's new Android rental app.
Shares of the online real estate aggregator to begin trading tomorrow with a goal of raising nearly $75 million.
Spencer Rascoff takes charge of the online real estate service. Former CEO and co-founder Rich Barton will continue to lead board of directors.
Webware 100 winner: Zillow
How is it that a site about buying and selling houses is growing in this miserable economy? CEO Rich Barton explains.