INVESTMENT OPPORTUNITY IN THE GUILDERLAND SCHOOL DISTRICT! This expansive Altamont duplex offers two spacious 1,600+ sq. ft. units, each with the potential for three bedrooms, a full bath, in-unit laundry, kitchen, living room, and private back deck. Beyond the two residential units, the property features an attached three-bay garage with loft space above, plus additional bonus space behind the garage with a half bath—providing intriguing potential for additional usable or income-producing space, subject to municipal approvals, while potentially retaining the garage bays. Situated on a .49-acre lot backing to forever-wild land, the property offers a private backyard with seasonal fruit trees. Even better, the solar panels are OWNED outright and transfer with the sale, providing long-term value without a solar lease. Significant capital improvements have already been completed, including a new driveway (2026), two new garage doors (2026), new oil tank (2025), new electrical panel (2024), hot water tanks (2023 & 2024), updated flooring, sheetrock, and more. With two substantial units, extensive garage and bonus space, owned solar, major recent improvements, and potential for further value creation, this is a compelling opportunity for an investor or owner-occupant looking to build equity in the Guilderland School District.
Active
Price cut: $25K (11/9)
$450,000
6778 State Route 158, Altamont, NY 12009
5beds
3,632sqft
Duplex, Multi Family
Built in 1951
-- sqft lot
$442,100 Zestimate®
$124/sqft
$-- HOA
What's special
Private back deckUpdated flooringIn-unit laundry
- 35 days
- 723
- 48
Zillow last checked:
Listing updated:
Listed by:
Coldwell Banker Prime Properties 518-439-9600,
Joshua Wolin 914-980-9309
Source: Global MLS,MLS#: 202627740
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Baseboard, Hot Water, Oil, Wood Stove
Cooling
- Window Unit(s), Other
Appliances
- Laundry: In Bathroom
Features
- Ceiling Fan(s), High Speed Internet, Built-in Features, Crown Molding, Dry Bar
- Flooring: Vinyl, Hardwood
- Basement: Unfinished
- Number of fireplaces: 1
- Fireplace features: Living Room
Interior area
- Total structure area: 3,632
- Total interior livable area: 3,632 sqft
- Finished area above ground: 3,632
- Finished area below ground: 0
Video & virtual tour
Property
Parking
- Total spaces: 12
- Parking features: Off Street, Workshop in Garage, Paved, Storage, Attached, Driveway, Garage, Garage Door Opener
- Attached garage spaces: 3
- Has uncovered spaces: Yes
Features
- Patio & porch: Patio
- Exterior features: Other
- Fencing: None
- Has view: Yes
- View description: Trees/Woods, Pasture, Mountain(s)
Lot
- Size: 0.49 Acres
- Features: Level, Landscaped, Road Frontage, Views, Wooded, Cleared
Details
- Parcel number: 013089 26.00412
- Special conditions: Standard
Construction
Type & style
- Home type: MultiFamily
- Architectural style: Other
- Property subtype: Duplex, Multi Family
- Attached to another structure: Yes
Materials
- Vinyl Siding
- Foundation: Block
- Roof: Shingle,Asphalt
Condition
- New construction: No
- Year built: 1951
Utilities & green energy
- Electric: Circuit Breakers
- Sewer: Septic Tank
- Water: Public
Community & HOA
Community
- Security: Fire Escape
HOA
- Has HOA: No
Location
- Region: Altamont
Financial & listing details
- Price per square foot: $124/sqft
- Tax assessed value: $510,667
- Annual tax amount: $11,118
- Date on market: 10/7/2026
Estimated market value
$442,100
$420,000 - $464,000
$1,894/mo
Price history
| Date | Event | Price |
|---|---|---|
| 11/9/2026 | Price change | $450,000-5.3%$124/sqft |
Source:  Global MLS #202627740 Report a problem | ||
| 10/22/2026 | Price change | $475,000-4.8%$131/sqft |
Source: Global MLS #202627740 Report a problem | ||
| 10/7/2026 | Listed for sale | $499,000+91.9%$137/sqft |
Source: Global MLS #202627740 Report a problem | ||
| 2/24/2025 | Listing removed | $260,000-1.9%$72/sqft |
Source: Global MLS #202029029 Report a problem | ||
| 4/3/2023 | Sold | $265,000+1.9%$73/sqft |
Source: Global MLS #202229561 Report a problem | ||
| 7/7/2022 | Listing removed | -- |
Source: Global MLS #202029029 Report a problem | ||
| 5/12/2021 | Pending sale | $260,000-10%$72/sqft |
Source: Global MLS #202029029 Report a problem | ||
| 1/20/2021 | Listing removed | -- |
Source: Global MLS Report a problem | ||
| 1/6/2021 | Price change | $289,000-3.6%$80/sqft |
Source: Gabler Realty, LLC #202029029 Report a problem | ||
| 10/20/2020 | Price change | $299,900-4.8%$83/sqft |
Source: Gabler Realty, LLC #202029029 Report a problem | ||
| 10/5/2020 | Price change | $314,900-4.6%$87/sqft |
Source: Gabler Realty, LLC #202029029 Report a problem | ||
| 9/23/2020 | Listed for sale | $330,000$91/sqft |
Source: Gabler Realty, LLC #202029029 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $383,000 |
| 2024 | -- | $383,000 |
| 2023 | -- | $383,000 |
| 2022 | -- | $383,000 |
| 2021 | -- | $383,000 |
| 2020 | -- | $383,000 |
| 2019 | -- | $383,000 +74.2% |
| 2018 | -- | $219,900 |
| 2017 | -- | $219,900 |
| 2016 | -- | $219,900 |
| 2015 | -- | $219,900 |
| 2014 | -- | $219,900 |
| 2013 | -- | $219,900 |
| 2012 | -- | $219,900 |
| 2011 | -- | $219,900 |
| 2010 | -- | $219,900 |
| 2009 | -- | $219,900 |
| 2008 | -- | $219,900 |
| 2007 | -- | $219,900 |
| 2006 | -- | $219,900 |
| 2005 | -- | $219,900 +50% |
| 2004 | -- | $146,600 |
| 2003 | -- | $146,600 |
| 2002 | -- | $146,600 |
| 2001 | -- | $146,600 |
| 2000 | -- | $146,600 |
Find assessor info on the county website
Monthly payment
Climate risks
Neighborhood: 12009
Nearby schools
Schools provided by the listing agent
- High: Guilderland
Source: Global MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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