Londonderry, NH by the numbers: tax rates and housing data
Londonderry's 2025 total property tax rate is $14.47 per $1,000 of assessed value. The town has about 10,197 homes, and about 86% of occupied homes are owner-occupied (Census ACS 2020-2024). Every figure below names its source, and the data is free to download.
By Tom MacDonald, Loan Officer · Checked November 2, 2026Elite Mortgage GroupNMLS #2748687Company NMLS #2502308MBR
What makes up Londonderry's 2025 tax rate?
| 2025, per $1,000 | Londonderry |
|---|---|
| Town (municipal) | $3.53 |
| County | $0.58 |
| State education | $1.08 |
| Local education | $9.28 |
| Total | $14.47 |
About $1,447 a year, or $121 a month, for each $100,000 of assessed value. Set by the NH Department of Revenue Administration on 11/12/25.
Londonderry property tax rates, 2012 to 2025
| Year | Total rate per $1,000 | Equalization ratio |
|---|---|---|
| 2025 | $14.47 | 94.6% |
| 2024 | $16.14 | 85.3% |
| 2023 | $15.65 | 90.3% |
| 2022 | $18.48 | 77.3% |
| 2021 | $18.38 | 92.9% |
| 2020 | $20.11 | 92.2% |
| 2019 | $19.39 | 98.1% |
| 2018 | $21.80 | 85.1% |
| 2017 | $21.61 | 89.6% |
| 2016 | $21.50 | 95.8% |
| 2015 | $21.02 | 99.9% |
| 2014 | $21.09 | 102.3% |
| 2013 | $21.10 | 111.3% |
| 2012 | $20.50 | 114.8% |
The equalization ratio is how close the town's assessments were to market value that year (NH DRA). When it falls, values have risen faster than assessments; a revaluation brings it back near 100%. Source: Town of Londonderry, Tax Rates & Equalization Ratios.
Londonderry housing at a glance
| Measure | Londonderry |
|---|---|
| Housing units | 10,197 (± 335) |
| Owner-occupied | 85.6% |
| Single-family (detached or attached) | 80.3% |
| Buildings with 2 to 4 units | 3.6% |
| Buildings with 5 or more units | 13.4% |
| Median year built | 1986 |
| Median home value (owner-estimated) | $505,200 (± $19,574) |
| Median year moved in | 2012 |
US Census Bureau, American Community Survey 2020-2024 5-year estimates (tables B25001, B25003, B25024, B25035, B25077, B25039), via Census Reporter. Estimates have margins of error; owner-estimated values aren't sale prices or assessments.
Londonderry next to nearby towns
| Town | 2025 rate | Housing units | Owner-occupied | Median value (owner-estimated) |
|---|---|---|---|---|
| Hudson | $17.11 | 10,217 | 83% | $438,900 |
| Litchfield | $14.20 | 3,070 | 87% | $485,000 |
| Nashua | $16.83 | 38,760 | 56% | $403,900 |
| Manchester | $20.24 | 52,108 | 49% | $365,600 |
| Londonderry | $14.47 | 10,197 | 86% | $505,200 |
| Milford | $25.93 | 6,596 | 65% | $398,800 |
| Wilton | $26.98 | 1,922 | 77% | $381,500 |
How to cite: compiled by Tom MacDonald, Elite Mortgage Group, from NH DRA, town and US Census ACS data, tommymacmortgage.com/londonderry-nh-data. Licensed CC BY 4.0.
Londonderry resources
- Londonderry, NH mortgages
- Londonderry property taxes and records
- What it costs to own a home in Londonderry
- New to Londonderry checklist
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