St. Mark is located at 1515 Hillendahl, which is between Westview & Long Point, and Wirt & Bingle roads in Spring Branch. It is easily accessed from the following routes:
Hwy 290 southeast to the Bingle exit. Turn right at Bingle and go south for 2.6 miles. Turn left on Long Point Road and go east for 0.4 miles. Turn right on Hillendahl Boulevard and go south for 0.4 miles to 1515 Hillendahl
Take I-10. Take exit number 761A, towards Wirt Road. Turn left, if you're headed toward downtown, or turn right, if you're headed toward Katy, onto Wirt Road and go north for 0.7 miles. Turn left onto Westview Drive and continue west for 0.5 miles. Turn right onto Hillendahl Boulevard and go north for 0.2 miles.