kilkare woods began as a private association of summer cottages. the town lies along sinbad creek beside pleasanton ridge regional park, at an elevation of 827 feet (252 meters). the town is only accessible through sunol by kilkare road. 96% of residents of the zip code spoke english as their primary language, while 4% did not. of those who did not 3% spoke hindi, and 1% spoke spanish. kilkare woods is served by the cal fire and livermore-pleasanton fire departments. students attend elementary school at sunol glen elementary school in sunol and high school at foothill high school in pleasanton. law enforcement services are provided by the alameda county sheriff's office.