Tax Assessed Value as Benchmark

No, I don’t have any hard data backing me up (and don’t have the time to compile it), but at least anecdotally, it sure seems that there’s a correlation between year built/last sale, and fair market value.

Here it is:

The newer the construction date/last sale, the higher the percentage; the older/less recent, the lower.
Put another way: the reliability of tax assessed value fades the older a home is and/or if it hasn’t sold in awhile.

So, for example, a 2009 townhome with a tax assessed value of $200k is likely worth pretty close to that.

By contrast, a 1975 townhome occupied by the original owner, with the same tax assessed value, probably has a fair market value quite a bit lower — as much as 20% less, or $160k.

Updates (or lack thereof); nearby competition (or lack thereof); location, etc. all affect — but don’t alter — the basic relationship.
About the author

Ross Kaplan has 19+ years experience selling real estate all over the Twin Cities. He is also a 12-time consecutive "Super Real Estate Agent," as determined by Mpls. - St. Paul Magazine and Twin Cities Business Magazine. Prior to becoming a Realtor, Ross was an attorney (corporate law), CPA, and entrepreneur. He holds an economics degree from Stanford.

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