10 NEW CASTLE ST
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(6)
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: Merrimack Valley 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
10 New Castle 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 98% of homes in Penacook
- Costs more per square foot than 98% of homes in Penacook
- Has a smaller lot than 80% of homes in Merrimack County
- Newer than 71% of homes in Concord 03301
What homes are worth in Concord 03301
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 93% 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.
Pricier than 93% of homes nearby
Pricier than 97% of homes nearby
Bigger than 53% of homes nearby
Bigger than 47% of homes nearby
Newer than 71% of homes nearby
| Measure | This home | Penacook | Concord 03301 | Merrimack County |
|---|---|---|---|---|
| Estimated valuepricier than | $691,852 | 98% of homes | 93% of homes | 86% of homes |
| Price per ft²pricier than | $422 | 98% of homes | 97% of homes | 95% of homes |
| Living areabigger than | 1,638 ft² | 64% of homes | 53% of homes | 43% of homes |
| Lot sizebigger than | 0.3 ac | 49% of homes | 47% of homes | 20% of homes |
| Year builtnewer than | 1985 | 60% of homes | 71% of homes | 56% of homes |
About 10 New Castle St
How much is 10 New Castle St, Concord, NH worth?
The TopHap Estimate for 10 New Castle St, Concord, NH is $691,852 as of Jul 14, 2026. The likely range is $621,636 to $762,068. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 10 New Castle St, Concord, NH last sell?
10 New Castle St, Concord, NH last sold on Apr 27, 2022 for $500,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.
How big is 10 New Castle St, Concord, NH?
10 New Castle St, Concord, NH has 4 bedrooms, 3 bathrooms, 1,638 square feet of living space and a 0.30-acre lot.
When was 10 New Castle St, Concord, NH built?
10 New Castle St, Concord, NH was built in 1985, making it 41 years old. It is a raised ranch home. The building has 1 story.
What schools serve 10 New Castle St, Concord, NH?
10 New Castle St, Concord, NH is assigned to Merrimack Valley Middle School (middle), rated C; Merrimack Valley High School (high), rated C-; Penacook Elementary School (elementary), rated D+. All sit in Merrimack Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 10 New Castle St, Concord, NH compare to other homes in Concord 03301?
Among the 8,695 homes in Concord 03301, it is worth more than 93% of them ($691,852 against a typical $423,646), its price per square foot is higher than 97% of them ($422 against a typical $270), it is bigger than 53% of them (1,638 ft² against a typical 1,585 ft²), its lot is bigger than 47% of them (0.3 ac against a typical 0.34 ac) and it is newer than 71% of them (1985 against a typical 1963). Measured against all of Merrimack County, it is worth more than 86% 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 10 New Castle St, Concord, NH?
The 2025 property tax bill for 10 New Castle St, Concord, NH was $11,306. The county assessed it at $388,400.
More homes on New Castle St
- 7 New Castle St$601K4 bd · 2 ba · 1,904 ft² · Sold $570K · Nov 2023
- 4 New Castle St$512K4 bd · 2 ba · 1,922 ft² · Sold $370K · Aug 2020
- 14 New Castle St$520K3 bd · 2 ba · 1,548 ft² · Sold $335K · Aug 2019
- 17 New Castle St$464K3 bd · 2 ba · 1,416 ft² · Sold $262K · Jul 2014
- 12 New Castle St$535K3 bd · 2 ba · 1,868 ft² · Sold $265K · Sep 2010
- 8 New Castle St$495K3 bd · 2.5 ba · 1,914 ft² · Sold $158K · Sep 2008
- 9 New Castle St$496K3 bd · 1.5 ba · 1,728 ft² · Sold $342K · May 2007
- 11 New Castle St$569K4 bd · 2 ba · 1,934 ft² · Sold $333K · Oct 2006
- 6 New Castle St$476K3 bd · 2 ba · 1,596 ft² · Sold $320K · Jan 2006
- 16 New Castle St$451K4 bd · 2 ba · 1,156 ft² · Sold $281K · Jun 2003
- 13 New Castle St$631K5 bd · 3 ba · 2,520 ft² · Sold $238K · Sep 2001
- 5 New Castle St$496K3 bd · 2.5 ba · 1,708 ft² · Sold $125K · Jan 1996
Closest homes
- 40 Summer St$318K0 ft · 4 bd · 1 ba · 1,149 ft² · Sold $83K · Jan 2000
- 38 Graham Rd$472K76 ft · 3 bd · 2 ba · 1,813 ft² · Sold Jan 1900
- 36 Summer St89 ft · 4 bd · 2 ba · 1,830 ft² · Sold $101K · Oct 2016
- 334 S Main St89 ft · 5 bd · 3 ba · 2,808 ft² · Sold Jan 1900
- 30 Summer St159 ft · 7,601 ft² · Sold $370K · Sep 2018
- 11 Coolidge Ave$483K159 ft · 3 bd · 3.5 ba · 1,823 ft² · Sold $350K · Dec 2020
- 190 Manchester St183 ft · 2 bd · 1 ba · 700 ft² · Sold Jan 1900
- 45 Summer St$354K183 ft · 3 bd · 1.5 ba · 1,973 ft² · Sold $207K · Nov 2017
More homes in Concord 03301
- 72 Oakmont Dr$750K3 bd · 2.5 ba · 2,409 ft² · Sold $765K · Aug 2026
- 61 Franklin St4 bd · 2 ba · 2,125 ft² · Sold $470K · Aug 2026
- 20 Chase St$388K2 bd · 1 ba · 1,126 ft² · Sold $180K · Aug 2026
- 5 Thomas St8 bd · 4 ba · 4,296 ft² · Sold $650K · Aug 2026
- 5 Callaway Dr$385K2 bd · 2.5 ba · 1,472 ft² · Sold $375K · Aug 2026
- 84 Branch Tpke$345K2 bd · 1.5 ba · 1,332 ft² · Sold $345K · Aug 2026
- 33 Spruce St$500K5 bd · 2 ba · 1,584 ft² · Sold $497K · Aug 2026
- 60 Mulberry St$350K2 bd · 1.5 ba · 1,312 ft² · Sold $365K · Aug 2026
- 12 Wedgewood Dr$489K4 bd · 2 ba · 1,165 ft² · Sold $495K · Aug 2026
- 5 Dover St$400K3 bd · 2 ba · 1,382 ft² · Sold $415K · Aug 2026
- 20 Cypress St$539K2 bd · 2 ba · 1,196 ft² · Sold $555K · Aug 2026
- 456 N State St5 bd · 3 ba · 2,740 ft² · Sold $670K · Aug 2026
Assigned schools
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