Hillsborough County, NH parcel and infrastructure data API

Parcel coverage in Hillsborough County

About 140,000 parcel records with boundaries, situs addresses and parcel numbers, with the latest source update from November 2026. Each record has a stable korzy_id you can store and look up again with /api/parcel-record. Share of records with each field:

Hillsborough County records do not include owner names. See pricing for credit costs.

Infrastructure in and around Hillsborough County

Example requests for Hillsborough County

Real responses from the production API, trimmed to the main fields. Every request needs an API key with api:read; see authentication and credits and limits.

1. Find a parcel by address

/api/search matches 292 ROUTE 101, Bedford, NH and returns the parcel's korzy_id, coordinates and record. 1 credit.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'q=292 ROUTE 101, Bedford, NH' \
  https://api.korzy.co/api/search

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/search",
    params={"q": "292 ROUTE 101, Bedford, NH"},
    headers={"Authorization": f"Bearer {os.environ['KORZY_API_KEY']}"},
    timeout=30,
)
response.raise_for_status()
parcel = response.json()["results"][0]
print(parcel["korzy_id"], parcel["longitude"], parcel["latitude"])

{
  "results": [
    {
      "korzy_id": "33011-f067dee5cf2708ede083",
      "address": "292 ROUTE 101",
      "city": "Bedford",
      "postcode": "03110",
      "county": "Hillsborough",
      "statefp": "33",
      "longitude": -71.531988492538,
      "latitude": 42.92835215,
      "match_type": "exact",
      "parcelid": "27-31-3",
      "parceladdr": "292 ROUTE 101",
      "parcelcity": "Bedford",
      "situs_zip": "03110",
      "usedesc": "OFFICE BLD MDL-94",
      "land_use_code": "33",
      "yearbuilt": 1984,
      "bldgsqft": 11878,
      "taxacres": 3.29,
      "totalvalue": 1041300,
      "saledate": "2016-03-21",
      "saleamt": 967533,
      "updated": "2026-11-03",
      "geoid": "33011"
    }
  ],
  "truncated": false
}

2. Look up the parcel at a point

/api/query/point returns every parcel whose boundary covers the coordinates; here it returns the same record, 33011-f067dee5cf2708ede083, in records. 1 credit per 10 records requested.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-71.531988' \
  --data-urlencode 'latitude=42.928352' \
  --data-urlencode 'limit=5' \
  https://api.korzy.co/api/query/point

const params = new URLSearchParams({"longitude": "-71.531988", "latitude": "42.928352", "limit": "5"});
const response = await fetch(`https://api.korzy.co/api/query/point?${params}`, {
  headers: { Authorization: `Bearer ${process.env.KORZY_API_KEY}` },
});
if (!response.ok) throw new Error(`Korzy API ${response.status}`);
const { records } = await response.json();
console.log(records.map((record) => record.korzy_id));

3. Check water and sewer service

/api/utilities/context returns the water and sewer service areas at the point and the nearest treatment plants. 1 credit.

curl --fail-with-body -sS --get \
  -H "Authorization: Bearer $KORZY_API_KEY" \
  --data-urlencode 'longitude=-71.531988' \
  --data-urlencode 'latitude=42.928352' \
  https://api.korzy.co/api/utilities/context

import os
import requests

response = requests.get(
    "https://api.korzy.co/api/utilities/context",
    params={"longitude": "-71.531988", "latitude": "42.928352"},
    headers={"Authorization": f"Bearer {os.environ['KORZY_API_KEY']}"},
    timeout=30,
)
response.raise_for_status()
matches = response.json()["matches"]
print([area["name"] for area in matches["water"]])

{
  "longitude": -71.531988,
  "latitude": 42.928352,
  "matches": {
    "water": [],
    "sewer": []
  },
  "nearby_treatment": [
    {
      "feature_id": "treatment:13788",
      "name": "Manchester WWTF",
      "distance_km": 6.242652421420004
    },
    {
      "feature_id": "treatment:2475",
      "name": "Milford WWTF",
      "distance_km": 13.621547926902986
    }
  ]
}

Hillsborough County data questions

How many parcels in Hillsborough County include year built?

About 120,000 of about 140,000 parcel records (83%) include year built.

Does the Korzy API return owner names for Hillsborough County parcels?

Hillsborough County parcel records do not include owner names. Values, land use and building facts are returned where the county publishes them.

How many data-center projects are in Hillsborough County?

Korzy tracks 3 data-center projects in Hillsborough County: 3 operating. /api/datacenters/context lists projects within 10 km of any point.

How much power generation is in Hillsborough County?

9 operable power plants in Hillsborough County total about 65 MW of nameplate capacity, mainly wind, hydro and other fuels.

Which water systems serve Hillsborough County?

Service areas of about 80 community water systems cover about 11% of Hillsborough County, and sewer service areas cover about 5%. /api/utilities/context returns the water and sewer matches at a point.

More featured counties

• Essex County, MABorders Hillsborough County · about 270,000 parcels
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