SearchSystems Editorial
Edited by Sam Rokni — Editor & Owner, SearchSystems.net. Public records professional since 1999. NAPBS founding member. Full bio & credentials.
Last reviewed: June 04, 2026 · Methodology: all Coos County record-source URLs verified against the official local and New Hampshire state publishers on the review date. 4 primary .gov / official sources cited below.
Coos County — Key Numbers (2026)
Population, demographics, and county-seat data for Coos County, New Hampshire — verified against U.S. Census 2024 estimates.
31,094
Population
Census estimate
13,620
Households
Census estimate
$55,247
Median income
Annual household
$157,900
Median home value
Census ACS
Lancaster
County seat
In New Hampshire
Criminal records
1 source
Court records
2 sources
Wants & warrants
see state portal
Property records
see state portal
Vital records
see state portal
Voter records
see state portal
Professional licenses
see state portal
Recorded documents
4 sources
Count of verified official sources per record type. Multiple sources One source Use state portal
Coos County Records at a Glance
| Record type | Coos County verified sources |
|---|---|
| Court records | New Hampshire Judicial Branch Daily Docket | New Hampshire Judicial Branch - NH.gov |
| Criminal records | Coos County Sheriff's Department (NH) |
| Wants & warrants | No verified source — see Coos County state portal below |
| Property records | No verified source — see Coos County state portal below |
| Vital records | No verified source — see Coos County state portal below |
| Voter records | No verified source — see Coos County state portal below |
| Professional licenses | No verified source — see Coos County state portal below |
| Recorded documents | Coos| Home NH Deeds |
Count of officially verified .gov / .us record sources cataloged for Coos County. Data verified June 04, 2026.
What Changed in 2026 — Coos County Records
2026
Coos County court records portal verified
State court system links for Coos County verified against the New Hampshire judiciary portal in 2026.
2026
Coos County criminal records access
State criminal records repository for Coos County (statewide system, not county-specific) confirmed active in 2026.
2026
FBI Identity History Summary (federal complement)
For records that may exist outside New Hampshire, the FBI Identity History Summary at fbi.gov complements all county-level state records.
The 4-Step Coos County Records Pathway
1
Step 1 — Start at the Coos County clerk/courthouse
For most local records (court cases, property deeds, marriage licenses), the Coos County clerk's office is the first stop.
2
Step 2 — Use the New Hampshire statewide systems
Criminal background, court case search, voter registration, and professional licensing are all run at the New Hampshire state level — not by the county.
3
Step 3 — Federal sources for federal records
Federal court cases (PACER), federal tax liens (IRS), military records (NPRC), and immigration data (ICE) are all federal — not held by the county.
4
Step 4 — Cross-check before relying on data
Most county portals lag 24-48 hours behind the courthouse. For time-sensitive verification, call the clerk directly.
Five Things People Get Wrong About Coos County Records
❌ Myth: "Coos County maintains all criminal records."
✓ Truth: False. Criminal records for Coos County are held by the New Hampshire state repository, NOT the county. The county sheriff has only the local arrest log.
❌ Myth: "Records sealed in Coos County are gone everywhere."
✓ Truth: False. Sealing removes records from public search but they still exist at the courthouse and may appear in FBI records (Identity History Summary).
❌ Myth: "Free 'instant background' sites have Coos County data."
✓ Truth: False. Only the official New Hampshire state repository has verified, current Coos County data. Free sites often have stale data.
❌ Myth: "The Coos County assessor's value is what I'll sell my home for."
✓ Truth: False. The Coos County assessor's value is for property tax purposes only — usually below market value.
❌ Myth: "All county records older than 50 years are public."
✓ Truth: Partially false. Public-records rules vary by record type AND state. Court records and deeds are usually older-public; vital records remain restricted longer (often 75-125 years).
Primary Sources (All Verified)
- www.courts.nh.gov — Court records — official source
- www.cooscountynh.gov — Criminal records — official source
- www.nh.gov — Recorded documents — official source
- fbi.gov — FBI Identity History Summary (federal record)
Related — Coos County & New Hampshire Records
For records not specific to Coos County, use New Hampshire's statewide system or the national hub.
📍 New Hampshire statewide record systems:
- New Hampshire Court Records →
- New Hampshire Criminal Records →
- New Hampshire Property Records →
- New Hampshire Vital Records →
- New Hampshire Voter Records →
- New Hampshire Wants & Warrants →
- New Hampshire Licenses →
- New Hampshire Recorded Documents →
🇺🇸 National hubs:
Related Public Records
New Hampshire statewide records: Court records · Criminal records · Wants & warrants · Property records · Vital records · Voter records · Licenses · Recorded docs
National directories: Court records · Criminal records · Property records · Vital records · Federal databases
About Coos County, New Hampshire
Coos County is located in New Hampshire. The county seat is Lancaster.
- Population: 31,094
- Households: 13,620
- Median household income: $55,247
- Median home value: $157,900
- Below poverty line: 11.6%
- Land area: 1,794.6 sq mi
- Population density: 17.3 people / sq mi
- Public libraries indexed: 17
- NCES schools indexed: 24
Coos| Home
Official Free
Coos County, NH · Leon H. Rideout, Registrar 55 School Street , Suite 103 Lancaster, New Hampshire 03584 Phone: 603-788-2392 Office Hours: Monday – Friday, 8:00 AM – 4:00 PM · E-Recording 8:30 am – 3:00 pm In-Office Recording 8:00 am – 3:30 pm · For current events and updates, follow ...
NH Deeds
Official Free
Skip to content · Welcome to NHDeeds.org, home to New Hampshire County Registers of Deeds. Please click the county website that you wish to visit · Belknap County · Hillsborough County · Carroll County · Merrimack County · Cheshire County · Rockingham County · Coos County · Strafford County
County Registry of Deeds | NH.gov
Official Free
Coos County Deeds · Grafton County Deeds · Hillsborough County Deeds · Merrimack County Deeds · Rockingham County Deeds · Strafford County Deeds · Sullivan County Deeds · New Hampshire Association of Counties
🌐 nh.gov
Coos| Home
Official Free
Coos County, NH · Leon H. Rideout, Registrar 55 School Street , Suite 103 Lancaster, New Hampshire 03584 Phone: 603-788-2392 Office Hours: Monday – Friday, 8:00 AM – 4:00 PM · E-Recording 8:30 am – 3:00 pm In-Office Recording 8:00 am – 3:30 pm · For current events and updates, follow ...
Coos|Searching County Records
Official Free
Leon H. Rideout, Registrar 55 School Street , Suite 103 Lancaster, New Hampshire 03584 Phone: 603-788-2392 Office Hours: Monday – Friday, 8:00 AM – 4:00 PM · E-Recording 8:30 am – 3:00 pm In-Office Recording 8:00 am – 3:30 pm
New Hampshire Quickstart | Registration
Visit →Business, Voter & Other
.gov
New Hampshire SOS business search.
quickstart.sos.nh.gov
About Us - Coos county, NH
Official Free
Coös County is the northern most and the largest county in the State of New Hampshire . Coös County is a spin-off from Grafton County by an act approved by the Legislature in 1803 that took effect March 5, 1805. The population was 3,000.
New Hampshire Judicial Branch
Official Free
To manage your Business Information and Status online, first sign in or create free account. From the NH QuickStart side menu click BUSINESS SERVICES then make available selections such as Withdrawal/Dissolve/Cancel · In addition to filing to Withdrawal/Dissolve/Cancel you can:
Daily Docket | New Hampshire Judicial Branch - NH.gov
Official Free
Belknap Superior Court WEBEX information for Belknap Superior NHBelknapSupCt@courts.state.nh.us · Carroll Superior Court WEBEX information for Carroll Superior NHCarrollSupCt@courts.state.nh.us · Cheshire Superior Court WEBEX information for Cheshire Superior NHCheshireSupCt@courts.state.nh.us · Coos Superior Court WEBEX information for Coos Superior NHCoosSupCt@courts.state.nh.us ·
Public Access to Court Electronic Records | PACER: Federal Court Records
Visit →Criminal & Court Records
.gov
Federal court electronic records (Public Access to Court Electronic Records).
pacer.gov
Coos County Sheriff's Department (NH)
Official Free
PACER provides information about accessing and filing federal court records electronically. Find resources for using PACER.
cooscountynh.gov
Official Free
Get FREE COOS COUNTY CRIMINAL RECORDS & WARRANTS directly from 18 New Hampshire gov't offices & 11 official criminal records & warrants databases. Records include Coos County warrants, arrests, police & sheriff records, most wanted lists, sex offender registries & more!
cooscountynh.gov
Official Free
Get FREE COOS COUNTY CRIMINAL RECORDS & WARRANTS directly from 18 New Hampshire gov't offices & 11 official criminal records & warrants databases. Records include Coos County warrants, arrests, police & sheriff records, most wanted lists, sex offender registries & more!
Vital Records | New Hampshire Secretary of State
Official Free
The New Hampshire Division of Vital Records Administration is the state resource for residents who wish to obtain records of birth, marriage, divorce and death events . DVRA also has a genealogical research vault that is open to the public containing ...
State List - Clerks & Polling Places
Official Free
New Hampshire Department of State · David M. ScanlanSecretary of State · A+AA- SOS Home · Home · Voter Information · Polling Place/Sample Ballot · Clerk Information Search · State List - Clerks & Polling Places ·
Search | NH Office of Professional Licensure and Certification
Official Free
https://www.oplc.nh.gov/board-podiatry-licensing-requirements Board of Nursing Home Competency Testing Services Lakes Region Community College 379 Belmont Road Laconia, NH 03246 Phone: (603) 366-5341 Contact: Cathy Weigel Email:
BLM General Land Office Records
Visit →Property & Tax Records
.gov
U.S. Bureau of Land Management federal land records.
glorecords.blm.gov
Frequently Asked Questions
How do I look up court cases in Coos County?
Coos County court cases are filed with the Clerk of Court. Search the New Hampshire Judicial Branch portal: https://www.courts.nh.gov/. For federal matters, see PACER.
Are New Hampshire marriage records public?
Marriage records in New Hampshire are generally public — anyone can verify that a marriage occurred and request a non-certified copy. Certified copies (needed for legal purposes like name changes or immigration) may be restricted to the spouses, immediate family, or those with a court order.
Can I find out if someone is divorced in New Hampshire?
Yes. Search the court case index for the person's name in the county where they lived. Most New Hampshire counties offer free online case-search portals. The state vital records office also issues divorce verifications for a fee.
Does a county sheriff have to honor ICE detainers?
No federal law forces a county to honor an ICE detainer. Multiple federal courts have ruled that detainers are non-binding requests. Some counties honor every detainer, others honor none, and many honor them only when ICE provides a judicial warrant. Policy is set at the county or sheriff level.