Colonie, New York · Schenectady County · public appraisal records

1,169 homes in ZIP 12189 may be over-assessed

We analyzed 2,990 single-family homes in 12189 (Colonie, New York) against comparable homes nearby. About 39.1% are assessed more than 15% above the typical home on their own block — an estimated $1.9M a year in property-tax overpayment. Is yours one of them?

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39.1%
Homes over-assessed
1,169
Homes flagged
39.7%
Avg over comps
$1.9M
Est. overpaid / yr

Where over-assessment clusters in 12189

Streets in Colonie with the most homes assessed above comparable homes nearby. We show the street and a count only — never a specific address or owner. Enter your address below to see if yours is one of them.

Seventh Ave132 over-assessed homes
Eighth Ave113 over-assessed homes
Sixth Ave93 over-assessed homes
Fourth Ave76 over-assessed homes
Fifth Ave62 over-assessed homes
Third Ave57 over-assessed homes
Twelfth Ave43 over-assessed homes
Second Ave37 over-assessed homes

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How we measured this

We compared every single-family home in 12189 to the median comparable home in the same ZIP, using public assessment rolls, and counted a home as over-assessed when it sits more than 15% above that median. This is a ZIP-level screen — it shows where over-assessment is common, not whether any specific home is over-assessed. See the full nationwide methodology and ranking. Data as of June 2026.

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Frequently asked

How many homes in ZIP 12189 are over-assessed?

In Colonie, New York (ZIP 12189), about 39.1% of single-family homes — roughly 1,169 of the 2,990 we analyzed — are assessed more than 15% above the typical comparable home in the same ZIP. That points to an estimated $1.9M a year in property-tax overpayment across the ZIP.

Does living in 12189 mean my home is over-assessed?

Not necessarily. This is a ZIP-level screen built from public appraisal records — it shows where over-assessment is common, not whether your specific home is over-assessed. The only way to know is a per-home comparison against similar properties, which our free address check does in about 30 seconds.

What can I do if my Colonie home is over-assessed?

You can file a property-tax appeal (or "protest") with your county, usually once a year within a filing window. If comparable homes are assessed for less than yours, that's the standard "unequal appraisal" grounds for a reduction. AppealMyTax builds the pre-filled protest kit and appeal letter for $49 flat — sign and submit, and you keep 100% of any savings.