A great site to look at would be washington.rentalhomesplus.com/Seattle. This will narrow the target area down from the general rental sites of the whole U.S. to the specific area of Seattle where you are looking.
There are many online websites that allow you to find houses that are available for rent in your area.
You can't say exactly how many houses there are in Seattle because Seattle is a big city and there are many more houses built each year. If you want to know, I would recommend you find the number of houses in a certain year.
You can find out houses for rent by owner by contacting the owner directly. If this is not possible, you can ask the city for a list of landlords, or if you have a particular house in mind, you can check ownership records from the Land Registry.
Rentals.com has a huge list of rental houses in Seatle check out there website at http://www.rentals.com/Washington/Seattle/
www.abhc.com offers online resources for alcohol abuse treatment centers in Seattle.
There are many websites online where you can find a good deal on flights to and from Seattle. The most popular websites include Lastminute, Expedia and Opodo.
You can find information online about halfway houses on the following website: http://www.recoveryconnection.org/health/halfway_houses.php. They have a lot of useful information.
There are a lot of websites where you can find houses for rent, I suggest you have a look at rent.com/houses-for-rent or www.rentals.com. There's a bunch of houses for rent available there.
There are many ways that once can find a great deal on a vacation to Seattle online. This includes going to an online travel agent such as Expedia, or looking out for deals on sites such as Groupon.
You can find houses for rent from an advertisement on newspaper, TV or online. You can also ask some of your friend if he/she know some houses for rent.
One can find houses for sale in Pasadena, California, at several online sites. Some of these online sites are "Zillow", "Trulia", and "Pasadenahomelistings".
You can find houses for sale by owner through various channels, such as online platforms like Zillow, Craigslist, and ForSaleByOwner.com. Additionally, you can check local newspapers, community bulletin boards, and social media groups dedicated to real estate listings. It's also beneficial to drive around neighborhoods you're interested in and look for "For Sale by Owner" signs.