Amsterdam, NY 12010 · Montgomery County

This 1831 duplex on Amsterdam's Union Street is a two-unit income property with both units rented and generating immediate returns. Recent upgrades to plumbing, heating, and electrical systems within the past six years support the building's infrastructure. The 2,404 square foot structure sits on a double lot with off-street parking, offering flexibility for future development. Amsterdam, a Mohawk Valley city undergoing visible revitalization, features the new Gateway Overlook pedestrian bridge and Riverlink Park with free summer programming, all within reach of this affordable multi-family opportunity.
Welcome to 22 Union Street in Amsterdam, NY A fully rented 2-family property offering a great opportunity for both new and experienced investors. This income-producing multi-family property features two occupied units, off-street parking, and major mechanical updates. The plumbing, heating, and electrical systems have all been completely redone within the last 6 years. The property also sits on a double lot, creating additional flexibility for future use. With both units currently rented, this property offers immediate rental income and the chance to add a solid multi-family asset to your portfolio.
The price signals we can read on this listing today. For a true sense of value against recent Amsterdam sales, Sharon will pull the comparable closings and walk you through them.
Curious whether this home is priced right for the neighborhood?
Ask Sharon for the comps32 facts pulled straight from the MLS listing.
The price signals we can read on this listing today. For a true sense of value against recent Amsterdam sales, Sharon will pull the comparable closings and walk you through them.
Curious whether this home is priced right for the neighborhood?
Ask Sharon for the compsTax estimated at the Montgomery County rate. Insurance and PMI are estimates. Sharon can connect you with a lender for real numbers.
Get pre-approved →A free, personalized valuation from Sharon based on real local sales, not an automated estimate.
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The district this address is assigned to. Ratings and reviews are hosted on GreatSchools.
Assigned districts can change and are not guaranteed. Confirm enrollment boundaries with the district directly before relying on them.
Amsterdam is in Montgomery County, NY. There are currently 90 active listings here, ranging from $15,000 to $879,999. Listings in this address fall under the Amsterdam school district. Priced near the area median of $199,999.
See Sharon's Amsterdam community guideWho holds this listing, and where the data comes from.
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Coldwell Banker Prime Properties · Listed by Marcus Walker-Jones (38991)
Contact: 917-992-3984
MLS #202619978 · Source: Global MLS, Inc.
IDX information is provided exclusively for consumers' personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by the MLS. Sharon Fronk Real Estate is committed to compliance with the Fair Housing Act and provides equal opportunity in housing.
Real numbers from current MLS data. Not a third-party estimate.





Activity across 2 MLS listings of this property.
Public assessment record for the Amsterdam roll · Amsterdam school district · Two Family Year-Round Residence
| Year | Assessed value | Full market value | Change |
|---|---|---|---|
| 2025 | $42,500 | $125,000 | +14.7% |
| 2024 | $42,500 | $108,974 | +10.3% |
| 2023 | $42,500 | $98,837 | +16.3% |
| 2022 | $42,500 | $85,000 | +21.4% |
| 2021 | $42,000 | $70,000 |
Assessed and full market values come from the local assessor and lag the market; the tax bill is the assessed value times the town, county and school rates, which the seller’s disclosure will show. STAR and other exemptions are not reflected here.
Outside FEMA-mapped flood hazard areas
This point is not inside any Special Flood Hazard Area or moderate-risk zone on the current FEMA flood map. Flood insurance is optional here and usually inexpensive.
See the official FEMA flood map for this pointSource: FEMA National Flood Hazard Layer, checked 2026-09-18. Zones are drawn by FEMA and can change; an elevation certificate governs insurance.