Look into the head of household discount for your property tax. In NM we have it but never applied for it. We applied for it but it won't take effect until next year. We also had to do a "tax lightening" law suit against the county since our property taxes increase 150% in 2 years (our neighbors all saw only a 4% yearly increase- a judge found it unfair)! We just had our taxes lowered due to the law suit (it was for people who bought their homes between 2005 and 2010 here).
Call your home owners too. Maybe you can have it looked at and readjusted.
I feel your pain. It's so hard when you're trying and trying and everything is going up. The new increase in gas prices is going to throw the nation back into a bigger problem.