Revenue increased 70% year-over-year to $239 million during the third quarter. Gross profit was $53.4 million, an increase of 26% from $42.3 million in the third quarter of 2018. Real estate services gross profit was $54.1 million, an increase of 26% from $43.0 million in the third quarter of 2018. Real estate services gross margin was 35%, compared to 34% in the third quarter of 2018. Operating expenses were $45.9 million, an increase of 18% from $39.0 million in the third quarter of 2018. Operating expenses were 19% of revenue, down from 28% in the third quarter of 2018.
Net income was $6.8 million, compared to net income of $3.5 million in the third quarter of 2018. Stock-based compensation was $7.5 million, up from $5.5 million in the third quarter of 2018. Depreciation and amortization was $2.6 million, up from $2.2 million in the third quarter of 2018. Interest income was $1.6 million and interest expense was $2.3 million, compared to $1.8 million and $1.6 million, respectively, in the third quarter of 2018.
Net income per share, basic and diluted, was $0.07, compared to net income per share, basic and diluted, of $0.04 in the third quarter of 2018.
"Redfin's third quarter was strong across the board, with accelerating revenues and year-over-year gross-margin gains in every one of our businesses. We're investing more in better service, but also in disruptive technologies that let people tour and buy homes without an agent. We've expanded instant offers for homeowners from six to ten markets, and are now showing homebuyers the commissions that a seller is offering their agent. These are big strides toward our long-term goal of redefining real estate in the consumers' favor."
— Redfin CEO Glenn Kelman
(1) We calculate the aggregate value of U.S. home sales by multiplying the total number of U.S. existing home sales by the mean sale price of these homes, each as reported by the National Association of REALTORS®. We calculate our market share by aggregating the home value of brokerage and partner real estate services transactions. Then, in order to account for both the sell- and buy-side components of each transaction, we divide that value by two-times the estimated aggregate value of U.S. home sales.
The following forward-looking statements reflect Redfin's expectations as of November 6, 2019, and are subject to substantial uncertainty.
For the fourth quarter of 2019 we expect:
SOURCE Redfin Corporation
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