Where do you mean by "Pinewood"? North side of Houston?
Is this typical for the area or in some way unusual.
Just use a realtor. In TX, selling prices aren't in the public records, so you have to go to the MLS to find comps. You're not local, so you'll need someone local to show the house and deal with buyers. Get on realtor.com and search for similar houses in the same area. Look at the agents who have those listings. Look for the listings that are better than others - more pictures, more details, better descriptions. Call those agents and have a chat. If you like the agent in the discussion, ask them to tell you what you think its worth.
Better still would be to go there and meet with the agents in person. Find three or four who pass your phone screening, and tell them you'll be at the house on a certain day and time and make an appointment to meet them.