Ram,
I agree that I have always had success using Craig's List to get an idea of the market rent rates. I've also had good success with it in getting potential tenants. Other advertising avenues are indeed a sign out front and if you're having a hard time finding someone, you could have it placed on the MLS (will cost you a little money).
As for some of your other ideas:
o I think your hope of getting $1850/month is a bit ambitious. It's pretty easy to find a SFR in the East Bay for that or cheaper so why would I go for a small townhouse if I'm a renter?
o I would consider offering a lease/option possibility to anyone interested. This may or may not help generate interest but is a good way to potentially get some money down as well as a higher rent.
o I don't think the wholesaling idea makes any sense. If I were a wholesaler and I buy this thing from you at what is probably above market price, who in the world am I going to sell it to? I can buy properties in Concord for much less that are probably at least equivalent so I don't think there's any chance of this at $410k. You're going to have to move away from what *you* paid for the house and ground yourself on what someone else will pay for it *today*. These can be radically different!
o Apply to lower your assessment even more. I have done this successfully many times. Find about 3-5 comps that are around your square footage, in your location, same dwelling type, with low selling prices and write a letter to the assessor (they have a form and you can supplement it with your data). Find any 5 properties that sold for $250k in the past year and argue that's the value of your property. I've only had my request for reassessment rejected one time in about 4 attempts and I've had up to 20% stripped off the assessed value.
Finally, in your first post, you noted that
I don't think you should say that you are "unable" to sell the house but rather "unwilling" to sell the house. You have grounded yourself in the price you paid and don't want to sell below that. It's either a mental block or you don't have the money to bring to the table to complete such a transaction - I don't know your financial situation so I can't say which it is. However, it is very obvious without even running any numbers that you can expect to lose at least $1k/month if you keep this property and rent it out (I'm too lazy to do the real math).
My questions to you would be what your long-term plans are. Are you going to move back to the East Bay someday? If so, it may make sense to hold on but otherwise I would sell at or below today's market value. Otherwise, I have to think you would be throwing away at least $10k+ per year on this property. Putting it into numbers, let's say it will take 5 years for this property to be worth $410k again, at which time you would consider selling. Taking out any time value of money, that means that you will have put in another $50k at least over that period while you're renting it out. Thus, you'd be just as well off selling today for $360k if you can get it.
My other question, which unfortunately I think I know the answer to, is can you get an apartment in the South Bay for let's say $1k less than what you can rent your townhouse for? If so, you could basically move where you are living (you would be located in the South Bay) with your net out of pocket being roughly the same as it is now. Unfortunately, I'm sure you know as well as I that rents in the South Bay are typically higher than the East Bay, not lower.
I don't know if any of this is valuable and it sounds like you may have had another thread on your situation which I'm sorry I didn't read. You need to take the emotion of a bad financial decision (we've all made them) in your past out of this and determine what the best financial and personal path is for you *today*. Good luck!