8 UNION ST
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(3)
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: Blackstone-Millville School District
Neighborhood · ZIP 01504These 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
8 Union St 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.
- Worth more than 84% of homes in Blackstone 01504
- Costs less per square foot than 80% of homes in Blackstone 01504
- Bigger than 84% of homes in Blackstone 01504
- Has a bigger lot than 85% of homes in Blackstone 01504
- Newer than 78% of homes in Blackstone 01504
What homes are worth in Blackstone 01504
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 84% of homes in Blackstone 01504.
How it measures up in Blackstone 01504
The dot is this home. The mark in the middle is the typical home in Blackstone 01504.
Pricier than 84% of homes nearby
Pricier than 20% of homes nearby
Bigger than 84% of homes nearby
Bigger than 85% of homes nearby
Newer than 78% of homes nearby
| Measure | This home | Blackstone 01504 | Worcester County |
|---|---|---|---|
| Estimated valuepricier than | $600,495 | 84% of homes | 72% of homes |
| Price per ft²pricier than | $255 | 20% of homes | 22% of homes |
| Living areabigger than | 2,358 ft² | 84% of homes | 76% of homes |
| Lot sizebigger than | 2.03 ac | 85% of homes | 83% of homes |
| Year builtnewer than | 1993 | 78% of homes | 76% of homes |
About 8 Union St
How much is 8 Union St, Blackstone, MA worth?
The TopHap Estimate for 8 Union St, Blackstone, MA is $600,495 as of Aug 30, 2026. The likely range is $581,224 to $619,766. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 8 Union St, Blackstone, MA last sell?
8 Union St, Blackstone, MA last sold on Dec 9, 1993 for $128,000, according to the county's recorded deed.
How big is 8 Union St, Blackstone, MA?
8 Union St, Blackstone, MA has 4 bedrooms, 2.5 bathrooms, 2,358 square feet of living space and a 2.03-acre lot.
When was 8 Union St, Blackstone, MA built?
8 Union St, Blackstone, MA was built in 1993, making it 33 years old. It is a colonial home. The building has 2 stories.
What schools serve 8 Union St, Blackstone, MA?
8 Union St, Blackstone, MA is assigned to John F. Kennedy Elementary School (elementary); Blackstone - Millville Regional High School (high), rated D+; Frederick W. Hartnett Middle School (middle), rated C+. All sit in Blackstone-Millville School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 8 Union St, Blackstone, MA compare to other homes in Blackstone 01504?
Among the 2,985 homes in Blackstone 01504, it is worth more than 84% of them ($600,495 against a typical $439,646), its price per square foot is higher than 20% of them ($255 against a typical $301), it is bigger than 84% of them (2,358 ft² against a typical 1,572 ft²), its lot is bigger than 85% of them (2.03 ac against a typical 0.57 ac) and it is newer than 78% of them (1993 against a typical 1978). Measured against all of Worcester County, it is worth more than 72% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 8 Union St, Blackstone, MA?
The 2025 property tax bill for 8 Union St, Blackstone, MA was $7,840. The county assessed it at $519,200.
More homes on Union St
- 40 Union St$527K3 bd · 1 ba · 1,975 ft² · Sold $513K · Dec 2025
- 17 Union St$689K3 bd · 2.5 ba · 1,700 ft² · Sold $655K · Aug 2024
- 24 Union St$613K4 bd · 1.5 ba · 1,700 ft² · Sold $578K · Jun 2024
- 43 Union St$492K3 bd · 1.5 ba · 1,234 ft² · Sold $450K · Dec 2023
- 12 Union St3 bd · 2 ba · 1,234 ft² · Sold $55K · Nov 2022
- 35 Union St2 bd · 1.5 ba · 1,200 ft² · Sold $255K · Nov 2021
- 22 Union St7.4 ac · Sold $80K · Apr 2021
- 29 Union St$633K1 bd · 1 ba · 1,080 ft² · Sold $465K · Dec 2019
- 19 Union St$674K3 bd · 2.5 ba · 1,740 ft² · Sold $474K · Apr 2017
- 21 Union St$820K4 bd · 3.5 ba · 2,756 ft² · Sold $80K · Aug 2015
- 20 Union St$594K3 bd · 2 ba · 2,272 ft² · Sold $250K · Jan 2013
- 14 Union St4 bd · 3.5 ba · 2,576 ft² · Sold $255K · Dec 2012
Closest homes
- 10 Union St$528K170 ft · 3 bd · 1.5 ba · 1,700 ft² · Sold $146K · Dec 1993
- 249 Mendon St$528K292 ft · 3 bd · 1 ba · 1,450 ft² · Sold $163K · Dec 1997
- 247 Mendon St294 ft · 5 bd · 3 ba · 2,818 ft²
- Union St314 ft · 1.17 ac · Sold May 1986
- Union St477 ft · 9.56 ac · Sold Apr 1965
- 251 Mendon St$540K0.1 mi · 4 bd · 2.5 ba · 2,156 ft² · Sold $405K · Dec 2004
- 12 Union St510 ft · 3 bd · 2 ba · 1,234 ft² · Sold $55K · Nov 2022
- 17 Union St$689K483 ft · 3 bd · 2.5 ba · 1,700 ft² · Sold $655K · Aug 2024
More homes in Blackstone 01504
- 259 Main St$445K4 bd · 2 ba · 1,017 ft² · Sold $445K · Aug 2026
- 3 Michelle Ln$434K3 bd · 1.5 ba · 1,280 ft² · Sold $380K · Aug 2026
- 246 Blackstone St$427K3 bd · 1 ba · 1,756 ft² · Sold $335K · Aug 2026
- 48 Mendon St$830K7 bd · 4.5 ba · 6,307 ft² · Sold $830K · Aug 2026
- 89 Elm St6 bd · 3 ba · 2,740 ft² · Sold $621K · Aug 2026
- 280 Blackstone St$702K5 bd · 2.5 ba · 2,936 ft² · Sold $702K · Aug 2026
- 36 Fox Run Rd$407K2 bd · 2 ba · 1,380 ft² · Sold $430K · Aug 2026
- 10 Liberty Hill Dr$576K4 bd · 1.5 ba · 1,832 ft² · Sold $500K · Aug 2026
- 56 Mendon St$709K5 bd · 1.5 ba · 2,799 ft² · Sold $706K · Jul 2026
- 53 Farm St$765K4 bd · 2.5 ba · 2,240 ft² · Sold $763K · Jul 2026
- 4 Pickering Rd6.4 ac · Sold $820K · Jul 2026
- 70r Milk St$763K4 bd · 3.5 ba · 2,224 ft² · Sold $760K · Jul 2026
Assigned schools
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