Is a Zillow market value printout adequate? The I-864 instructions say to get an appraisal by a licensed appraiser.
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"You may include the net value of your home as an asset. The net value of the home is the appraised value of the home, minus the sum of any and all loans secured by a mortgage, trust deed, or other lien on the home. If you wish to include the net value of your home, then you must include documentation demonstrating that you own it, a recent appraisal by a licensed appraiser, and evidence of the amount of any and all loans secured by a mortgage, trust deed, or other lien on the home. "
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