Margret, If it is a case that few if any have tapus, then your first course of action is to get in touch with as many people as possible, you will probably find that everyone will have contact details for someone. You really need to organise yourselves and come together as a group. In 2006/2007 most of the apartments on our complex were purchased. by 2009 we still had no tapus, unfortuantely I had also invested with our builder and learnt in June 2009 that the first of the properties I lost was gone. I had been worried before that and had sought legal advice. To cut a long story short, I managed to persuade the other owners that we needed to do something otherwise we woud loose everything. Many said these are our apartments, we've paid for them. The penny took a long time to drop - No tapu - you don't own it. I got into talks with our landower, (nothing to do with the builder), it took about 18 mths to organise the owners, and get everyone together. We produced our contracts, got everyone together, owners, landowner and a solicitor and came to an agreement that we paid all the outstanding debts left by the builder to make the complex debt free and the landowner transferred the tapus to the rightful owner, bypassing the builder. it was a lot of hard work especially getting owners to face up to reality but now we have a well run well kept complex over which we are in full control. if you are to have any sort of an outcome, you must get together, sitting back and waiting after 6 years is no longer an option. As a group any expense shared among you will be a lot more manageable than going it alone. You've already made a start, there's you, Christine and you mention Anne Marie, how many others do you know between the 3 of you and who do they know, you've got the ball rolling, get in contact and then make a decision as a group and find out if there is a landowner as opposed to just your builder and you may be lucky as we were that he is an honest individual.
Good luck