Sheila has a great place at a great value. The West Portal area is in walking distance to multiple bus stops, and is a lovely town. You're just a few blocks away from coffee shops, toy and bookstores, restaurants, etc. Sheila is friendly and hospitable, and offered us suggestions and a helpful map and guidebook. The house is extremely quiet - no traffic noise or noise from the upstairs area, where Sheila lives.
If you're staying with a friend, one of you can sleep in the bedroom, and one of you can sleep in the main living area on the pull-out couch, and it's plenty roomy. The place is larger than it looks from the photos! There's also an amazing private patio where you can enjoy a meal. I would absolutely stay here again!