42 UNION ST
Valuation
Tax & Assessment
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: Natick School District
Neighborhood · ZIP 01760These 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
42 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.
- Costs more per square foot than 75% of homes in Natick 01760
- Has a smaller lot than 84% of homes in Natick 01760
- Newer than 68% of homes in Middlesex County
What homes are worth in Natick 01760
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 50% of homes in Natick 01760.
How it measures up in Natick 01760
The dot is this home. The mark in the middle is the typical home in Natick 01760.
Pricier than 50% of homes nearby
Pricier than 75% of homes nearby
Bigger than 39% of homes nearby
Bigger than 16% of homes nearby
Newer than 60% of homes nearby
| Measure | This home | Natick 01760 | Middlesex County |
|---|---|---|---|
| Estimated valuepricier than | $853,594 | 50% of homes | 59% of homes |
| Price per ft²pricier than | $565 | 75% of homes | 71% of homes |
| Living areabigger than | 1,512 ft² | 39% of homes | 36% of homes |
| Lot sizebigger than | 0.21 ac | 16% of homes | 35% of homes |
| Year builtnewer than | 1975 | 60% of homes | 68% of homes |
About 42 Union St
How much is 42 Union St, Natick, MA worth?
The TopHap Estimate for 42 Union St, Natick, MA is $853,594 as of Sep 24, 2026. The likely range is $785,547 to $921,642. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
How big is 42 Union St, Natick, MA?
42 Union St, Natick, MA has 4 bedrooms, 3 bathrooms, 1,512 square feet of living space and a 0.21-acre lot.
When was 42 Union St, Natick, MA built?
42 Union St, Natick, MA was built in 1975, making it 51 years old. It is a cape cod home. The building has 2 stories.
What schools serve 42 Union St, Natick, MA?
42 Union St, Natick, MA is assigned to Lilja Elementary School (elementary), rated B; Natick High School (high), rated A; Wilson Middle School (middle), rated A. All sit in Natick School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 42 Union St, Natick, MA compare to other homes in Natick 01760?
Among the 12,050 homes in Natick 01760, it is worth more than 50% of them ($853,594 against a typical $854,944), its price per square foot is higher than 75% of them ($565 against a typical $488), it is bigger than 39% of them (1,512 ft² against a typical 1,706 ft²), its lot is bigger than 16% of them (0.21 ac against a typical 0.33 ac) and it is newer than 60% of them (1975 against a typical 1956). Measured against all of Middlesex County, it is worth more than 59% 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 42 Union St, Natick, MA?
The 2025 property tax bill for 42 Union St, Natick, MA was $8,179. The county assessed it at $683,900.
More homes on Union St
- 54 Union St$898K4 bd · 1.5 ba · 1,500 ft² · Sold $899K · May 2026
- 76 Union St$1.2M5 bd · 3 ba · 2,675 ft² · Sold $1.2M · Aug 2025
- 27 Union St$598K3 bd · 2 ba · 1,470 ft² · Sold $580K · Jun 2025
- 108 Union St$1.3M3 bd · 2.5 ba · 2,287 ft² · Sold $1.3M · Nov 2024
- 11 Union St # A$1.2M4 bd · 4 ba · 2,940 ft² · Sold $1.5M · Jun 2024
- 46 Union St$915K2 bd · 2 ba · 1,436 ft² · Sold $789K · Sep 2023
- 18 Union St # 1$689K3 bd · 2 ba · 1,608 ft² · Sold $645K · Sep 2023
- 29 Union St6 bd · 2 ba · 3,225 ft² · Sold $750K · Jul 2023
- 165 Union St$1M3 bd · 2.5 ba · 2,051 ft² · Sold $860K · Jan 2023
- 26 Union St3 bd · 1.5 ba · 1,582 ft² · Sold $2M · Nov 2022
- 32 Union St3 bd · 1.5 ba · 1,568 ft² · Sold $2M · Nov 2022
- 25 Union St$633K3 bd · 2 ba · 1,470 ft² · Sold $520K · Nov 2022
Closest homes
- 40 Union St$1.2M75 ft · 3 bd · 3.5 ba · 2,160 ft² · Sold $698K · Oct 2017
- 46 Union St$915K141 ft · 2 bd · 2 ba · 1,436 ft² · Sold $789K · Sep 2023
- 38 Union St$868K175 ft · 4 bd · 1 ba · 1,868 ft² · Sold $90K · Mar 1989
- 39 Union St$1.8M190 ft · 5 bd · 3.5 ba · 3,357 ft² · Sold $1.5M · May 2022
- 36 Union St$794K293 ft · 4 bd · 2 ba · 1,310 ft² · Sold $260K · Jan 2013
- 48 Union St$1.2M302 ft · 6 bd · 3 ba · 2,904 ft² · Sold $336K · Aug 2008
- 34 Union St378 ft · 3 bd · 3 ba · 1,456 ft² · Sold $700K · Aug 2021
- 37 Union St$1.1M337 ft · 3 bd · 3 ba · 2,050 ft²
More homes in Natick 01760
- 15 Fiske St$729K3 bd · 2.5 ba · 1,800 ft² · Sold $760K · Oct 2026
- 6 Ambler Ct2 bd · 2.5 ba · 1,479 ft² · Sold $2.2M · Sep 2026
- 16 Willow St$652K3 bd · 2 ba · 1,200 ft² · Sold $719K · Sep 2026
- 21 Greenleaf Rd$775K3 bd · 1.5 ba · 1,868 ft² · Sold $760K · Sep 2026
- 18 Plain St$655K3 bd · 1.5 ba · 1,229 ft² · Sold $595K · Sep 2026
- 2 Dartmouth St4 bd · 1.5 ba · 2,056 ft² · Sold $755K · Sep 2026
- 84 Middlesex Ave$894K3 bd · 2.5 ba · 1,584 ft² · Sold $925K · Sep 2026
- 93 E Central St$675K2 bd · 2.5 ba · 1,713 ft² · Sold $670K · Sep 2026
- 9 Merifield Ln$1.5M3 bd · 3.5 ba · 1,632 ft² · Sold $1.4M · Sep 2026
- 6 Hovey Ave$799K4 bd · 2.5 ba · 1,862 ft² · Sold $828K · Sep 2026
- 12 Beverly Rd$2M3 bd · 1 ba · 1,498 ft² · Sold $2M · Sep 2026
- 11 Fern St$1.1M3 bd · 2 ba · 1,836 ft² · Sold $1.1M · Sep 2026
Assigned schools
Explore the area
See this home in context
Open 42 Union St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.
Open in map