15 UNION ST
Valuation
Tax & Assessment
Property Facts
Transaction History(1)
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: Concord School District
Neighborhood · ZIP 03301These 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
15 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.
- Bigger than 68% of homes in Concord 03301
- Has a smaller lot than 95% of homes in Merrimack County
- Older than 96% of homes in Concord 03301
How it measures up in Concord 03301
The dot is this home. The mark in the middle is the typical home in Concord 03301.
Bigger than 68% of homes nearby
Bigger than 15% of homes nearby
Newer than 4% of homes nearby
| Measure | This home | North End | Concord 03301 | Merrimack County |
|---|---|---|---|---|
| Living areabigger than | 1,988 ft² | 56% of homes | 68% of homes | 60% of homes |
| Lot sizebigger than | 0.11 ac | 21% of homes | 15% of homes | 5% of homes |
| Year builtnewer than | 1850 | 6% of homes | 4% of homes | 5% of homes |
About 15 Union St
When did 15 Union St, Concord, NH last sell?
15 Union St, Concord, NH last sold on Oct 1, 2003 for $164,900, according to the county's recorded deed.
How big is 15 Union St, Concord, NH?
15 Union St, Concord, NH has 5 bedrooms, 3.5 bathrooms, 1,988 square feet of living space and a 0.11-acre lot.
When was 15 Union St, Concord, NH built?
15 Union St, Concord, NH was built in 1850, making it 176 years old. It is a duplex single home. The building has 2 stories.
What schools serve 15 Union St, Concord, NH?
15 Union St, Concord, NH is assigned to Christa McAuliffe School (elementary), rated A-; Concord High School (high), rated C-; Rundlett Middle School (middle), rated B-. All sit in Concord School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 15 Union St, Concord, NH compare to other homes in Concord 03301?
Among the 8,695 homes in Concord 03301, it is bigger than 68% of them (1,988 ft² against a typical 1,586 ft²), its lot is bigger than 15% of them (0.11 ac against a typical 0.34 ac) and it is newer than 4% of them (1850 against a typical 1963). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 15 Union St, Concord, NH?
The 2025 property tax bill for 15 Union St, Concord, NH was $6,800. The county assessed it at $233,600.
More homes on Union St
- 22 Union St3 bd · 2 ba · 2,934 ft² · Sold $401K · Mar 2026
- 5 Union St5 bd · 2 ba · 2,676 ft² · Sold $555K · Nov 2024
- 25 1/2 Union St5 bd · 4 ba · 4,182 ft² · Sold $1.5M · Feb 2022
- 27 Union St5 bd · 5 ba · 3,462 ft² · Sold $1.5M · Feb 2022
- 23 1/2 Union St5 bd · 5 ba · 4,684 ft² · Sold $1.5M · Feb 2022
- 9 Union St6 bd · 4 ba · 2,466 ft² · Sold $285K · Aug 2021
- 12 Union St # 160.27 ac · Sold $353K · Apr 2018
- 24 Union St4 bd · 4 ba · 3,940 ft² · Sold $350K · Nov 2017
- 3 Union St$419K3 bd · 1 ba · 1,906 ft² · Sold $125K · Sep 2013
- 19 Union St4 bd · 2 ba · 1,941 ft² · Sold $115K · Aug 2010
- 30 Union St$469K4 bd · 1.5 ba · 1,803 ft² · Sold $225K · Jun 2004
- 31 Union St # 337 bd · 2 ba · 3,038 ft² · Sold $187K · Mar 2002
Closest homes
- 10 Perry Ave$337K29 ft · 3 bd · 1 ba · 985 ft² · Sold $185K · May 2019
- 13 Union St29 ft · 0.13 ac · Sold $73K · May 1986
- 55 Centre St$427K56 ft · 3 bd · 2 ba · 1,205 ft² · Sold $420K · Apr 2026
- 11 Union St56 ft · 3 bd · 2 ba · 2,348 ft² · Sold Jan 1900
- 24 Maple St57 ft · 0.16 ac · Sold Jan 1900
- 12 Union St104 ft · 0.27 ac · Sold $353K · Apr 2018
- 19 Union St139 ft · 4 bd · 2 ba · 1,941 ft² · Sold $115K · Aug 2010
- 23 Maple St173 ft · 6 bd · 2 ba · 2,102 ft² · Sold $390K · Oct 2021
More homes in Concord 03301
- 1 Quail Rdg$700K4 bd · 2.5 ba · 2,102 ft² · Sold $717K · Sep 2026
- 179 N State St6 bd · 2 ba · 2,285 ft² · Sold $470K · Sep 2026
- 6 Blake St6 bd · 5 ba · 4,173 ft² · Sold $683K · Sep 2026
- 197 Mountain Rd$443K3 bd · 2 ba · 2,357 ft² · Sold $560K · Sep 2026
- 44 N Spring St5 bd · 3.5 ba · 2,840 ft² · Sold $615K · Sep 2026
- 121 Franklin St$502K3 bd · 1.5 ba · 1,892 ft² · Sold $501K · Sep 2026
- 75 Centre St3 bd · 2 ba · 2,124 ft² · Sold $490K · Sep 2026
- 489 Mountain Rd$348K3 bd · 1 ba · 960 ft² · Sold $350K · Sep 2026
- 6 Mill St$325K2 bd · 1 ba · 970 ft² · Sold $325K · Sep 2026
- 286 South St$652K4 bd · 2 ba · 2,554 ft² · Sold $500K · Sep 2026
- 8 Grove St$494K3 bd · 2.5 ba · 1,992 ft² · Sold $494K · Sep 2026
- 39 Penacook St4 bd · 2 ba · 1,865 ft² · Sold $422K · Sep 2026
Assigned schools
Explore the area
See this home in context
Open 15 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