850 COUNTY ROUTE 21
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(2)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Windham-Ashland-Jewett Central School District
Neighborhood · ZIP 12496These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Owner Tools
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
850 County Route 21 measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Smaller than 94% of homes in Windham 12496
- Among the largest lots in Windham 12496
- Newer than 90% of homes in Greene County
How it measures up in Windham 12496
The dot is this home. The mark in the middle is the typical home in Windham 12496.
Bigger than 6% of homes nearby
Bigger than almost all homes nearby
Newer than 85% of homes nearby
| Measure | This home | Windham 12496 | Greene County |
|---|---|---|---|
| Living areabigger than | 750 ft² | 6% of homes | 6% of homes |
| Lot sizebigger than | 117.82 ac | almost all homes | almost all homes |
| Year builtnewer than | 2005 | 85% of homes | 90% of homes |
About 850 County Route 21
When did 850 County Route 21, Windham, NY last sell?
850 County Route 21, Windham, NY last sold on Jan 1, 1900, according to the county's recorded deed.
How big is 850 County Route 21, Windham, NY?
850 County Route 21, Windham, NY has 2 bedrooms, 1 bathrooms, 750 square feet of living space and a 117.82-acre lot.
When was 850 County Route 21, Windham, NY built?
850 County Route 21, Windham, NY was built in 2005, making it 21 years old. It is a cottage home. The building has 2 stories.
What schools serve 850 County Route 21, Windham, NY?
850 County Route 21, Windham, NY is assigned to Windham Ashland Central School (elementary), rated B-. All sit in Windham-Ashland-Jewett Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 850 County Route 21, Windham, NY compare to other homes in Windham 12496?
Among the 2,275 homes in Windham 12496, it is bigger than 6% of them (750 ft² against a typical 1,677 ft²), its lot is bigger than almost all of them (117.82 ac against a typical 1 ac) and it is newer than 85% of them (2005 against a typical 1986). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 850 County Route 21, Windham, NY?
The 2025 property tax bill for 850 County Route 21, Windham, NY was $4,370. The county assessed it at $251,000.
More homes on County Route 21
- 717 County Route 21$266K2 bd · 1 ba · 672 ft² · Sold $210K · May 2026
- 729 County Route 21$513K3 bd · 2 ba · 1,671 ft² · Sold $140K · May 2026
- 317 County Route 21$348K5 bd · 3 ba · 2,472 ft² · Sold $340K · May 2026
- 17 County Route 21$409K5 bd · 3 ba · 1,584 ft² · Sold $398K · Mar 2026
- 68 County Route 211 bd · 1 ba · 760 ft² · Sold $778K · Mar 2026
- 442 County Route 21$692K2 bd · 2.5 ba · 2,004 ft² · Sold $655K · Dec 2025
- 804 County Route 21$513K3 bd · 1.5 ba · 3,114 ft² · Sold $485K · Dec 2025
- 476 County Route 21$748K2 bd · 2 ba · 1,872 ft² · Sold Dec 2025
- 821 County Route 21$400K3 bd · 1 ba · 1,303 ft² · Sold $405K · Dec 2025
- 296 County Route 21$440K3 bd · 1 ba · 1,486 ft² · Sold $420K · Aug 2025
- 770 County Route 21$600K3 bd · 2 ba · 1,622 ft² · Sold $520K · Jan 2025
- 711 County Route 21$94K2 bd · 1 ba · 388 ft² · Sold $80K · Nov 2024
Closest homes
- 19 Gun Club Rd$1.6M0.2 mi · 4 bd · 5 ba · 3,292 ft² · Sold $600K · Feb 2017
- 798 County Route 21$1.5M0.3 mi · 1 ba · 2,874 ft² · Sold Oct 2023
- 457 County Route 10$839K0.4 mi · 3 bd · 2 ba · 2,981 ft² · Sold $240K · Oct 2015
- 6 Cunningham Rd0.4 mi · 20.7 ac · Sold Sep 2024
- Route 100.4 mi · 1.67 ac
- 479 County Route 10$324K0.4 mi · 2 bd · 2 ba · 1,374 ft² · Sold $153K · Nov 2004
- 0.4 mi · 1.5 ac
- 499 County Route 10$542K0.4 mi · 4 bd · 2 ba · 1,796 ft² · Sold $461K · Nov 2024
More homes in Windham 12496
- 39 Brook Hollow Ln$769K3 bd · 2 ba · 2,049 ft² · Sold $820K · Aug 2026
- 215 Siam Rd$499K3 bd · 2.5 ba · 1,903 ft² · Sold $445K · Aug 2026
- 415 Old Rd$749K3 bd · 2.5 ba · 2,434 ft² · Sold $730K · Aug 2026
- 7 Karlstadt Rd4 bd · 2 ba · 1,008 ft² · Sold $440K · Aug 2026
- 34 Old Rd$628K1.6 ac · Sold $505K · Jul 2026
- 357 State Route 296$408K4 bd · 1.5 ba · 2,014 ft² · Sold $100K · Jul 2026
- 76 Loo Bridge Ln$309K2 bd · 2.5 ba · 1,211 ft² · Sold $233K · Jul 2026
- 27 Diane Dr$650K4 bd · 2.5 ba · 1,408 ft² · Sold $620K · Jul 2026
- 573 Sutton Hollow Rd$396K3 bd · 1 ba · 1,404 ft² · Sold $285K · Jul 2026
- 8 Stonewall Ln$1.9M4 bd · 4 ba · 2,365 ft² · Sold $1.7M · Jul 2026
- 110 Old Rd$2.3M3 bd · 1.5 ba · 3,186 ft² · Sold $2.3M · Jul 2026
- 2635 County Route 10$375K2 bd · 1 ba · 1,008 ft² · Sold $335K · Jul 2026
Assigned schools
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