Colorado, county records

Costilla County, Colorado Public Records

Find the right office in Costilla County. Court cases, deeds and parcels, sheriff and jail records, vital records and county filings, each linked to the office that keeps them.

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Most requested Costilla County records

Every card below goes to the government office responsible for that record. Use the category buttons to narrow the list.

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Showing 12 official sources

Official

Police & jail

Costilla County Sex Offenders

The Costilla County Sheriff registers the sex offenders living in the county and holds the record of who has registered there.

costillacounty.gov
Open official site Costilla County Sex Offenders
Official

State records

Costilla County

The Costilla County government site gives the county's departments, the minutes of its governing board and the office to ask for each kind of county record.

costillacounty.gov
Open official site Costilla County
Official

City records

Costilla County Library

The Costilla County public library gives readers its catalogue, its online databases and the local history and genealogy collections it holds for the county.

costillacounty.gov
Open official site Costilla County Library

Local record guide

About public records in Costilla County

County profile

Costilla County at a glance

State
Colorado
County seat
San Luis
Population
3,499
Area
1,230 sq mi
Founded
1861
Cities and towns
7

Costilla County offices and records

Sheriff & Law Enforcement. Costilla County Sheriff's Office is responsible for maintaining law and order across Costilla County, particularly in unincorporated areas.

Police Departments. In addition to Costilla County Sheriff's Office, law enforcement in Costilla County includes municipal police departments such as the San Luis Police Department. Each department handles local law enforcement duties, while the Sheriff's Office provides broader support and resources.

Law Enforcement & Arrests. Law enforcement in Costilla County is primarily provided by Costilla County Sheriff's Office, headquartered at 139 Gasper Street in San Luis, CO 81152. Inmate information and current custody status can be obtained by calling the Sheriff's Office directly during business hours, though Costilla County does not maintain a full online inmate search portal as of this writing. §24-72-301 et seq.) and the Colorado Open Records Act (C.R.S. §24-72-201 et seq.).

Arrest Records. They are maintained by the arresting agency, primarily the County Sheriff's Office and municipal police departments.

The jail is located at 103 Gaspar Street, San Luis, CO 81152. You can also call the jail at (719) 672-0673 for inmate information.

Abandoned mine records

Old mine workings in Costilla County

Where the workings are, and the office that holds the mine maps.

From the old mine records

What is on record in Costilla County

Old mine sites
48
Still producing
2
Main minerals
Gold; Copper; Iron
Holes drawn on the old survey maps
49
Shafts and tunnels
11
What they are
gravel pit, prospect pit, adit, open pit mine
Maps surveyed
1965 to 1967
Records behind them
102 records for 99 sites, the rest are the same working written down more than once

Is an old working under a property here?

The mine records hold 50 named mine sites inside the county, 48 of them worked out or abandoned; the old survey maps add 49 holes drawn inside the county, 11 of them shafts or tunnels. The minerals the records name are Gold; Copper; Iron.

A point in either file is a location, not a property line: the sheet shows the opening on the surface, not the rooms under it. The record that shows what runs under a parcel is the mine map. The OSMRE National Mine Map Repository holds scanned underground mine maps and answers requests for a named mine or an area. Colorado's cover is a protection program run by DRMS, not an insurance policy sold by insurers.

Costilla County: the boundary from the Census Bureau, and one dot for each old mine or hole on record inside it. Purple is a shaft or a tunnel. Hover a dot for its name.
Colorado mine map and abandoned mine records
Named workings recorded in Costilla County (54 shown, 45 unnamed on the map)

Rows taken off the old survey maps open the USGS record of what sits at that spot, because no single feature on those maps has a page of its own. Rows from the mine records open their own USGS page.

Disclaimer: The mine information here is for general information only. Old mine records can be incomplete, outdated or wrong, and finding nothing here does not mean there is nothing there. Check with the mine map office named here before you rely on it, and have a qualified engineer look at any ground you are worried about. PublicRecordCenter.com assumes no responsibility or liability for any errors, omissions, or consequences arising from the use of this information.

Straight answers

Costilla County public-records FAQs

Open only the answer you need.

Where can I find mugshots or booking photos in Costilla County, Colorado?

Booking photos are kept by the agency that made the arrest, such as the Costilla County Sheriff or a city police department in Costilla County. Ask that agency for its record. Under C.R.S. 24-72-305.5, it is unlawful to obtain a booking photograph knowing it will be posted on a website or in a publication that charges a fee to remove it; anyone requesting booking photos from a custodian must sign a statement that they will not be used that way.

How do I get a criminal background check in Costilla County, Colorado?

The Colorado criminal history record comes from the Colorado Bureau of Investigation, Biometric Identification and Records Unit. Name and date of birth search online through the Internet Criminal History Check (ICHC), or a request by name or by fingerprints to the CBI for a notarized copy. Fee: $6.00 for each online Internet Criminal History Check (ICHC) search; $13.00 for a name based request by mail.

How can I look up sex offenders in Costilla County, Colorado?

Search the Colorado Sex Offender Registry (CBI), or every state at once on the National Sex Offender Public Website run by the U.S. Department of Justice.

How do I register to vote in Costilla County, Colorado?

Register with the county clerk and recorder or through the Colorado Secretary of State. You can also register online with the state online registration. Voters may register through Election Day; to get a ballot by mail, register online or by mail through the 8th day before Election Day, then in person at a voter service and polling center.

How do I look up property records in Costilla County, Colorado?

Deeds and other recorded land documents in Costilla County are kept by the Costilla County clerk and recorder. Property values are set by the county assessor, and tax bills come from the county treasurer. Source: official state page.

How do I get a birth or death certificate in Costilla County, Colorado?

Certified birth and death certificates for Colorado come from the Colorado Department of Public Health and Environment, Office of the State Registrar of Vital Statistics. Birth and death certificates are also issued at the nearest Local Vital Records office, at the same fees. Online through GoCertificates or VitalChek as linked by the office, by mail to the address printed on the state application, or in person by appointment at the state office or at a Local Vital Records office. Fee: $25 for the first certified copy of a birth or death certificate; $20 for each additional copy ordered at the same time (fee schedule effective 1/1/2026).

How do I find business license records in Costilla County, Colorado?

Business entity filings are searched with the Colorado Secretary of State. Some business licenses come from the Colorado Department of Regulatory Agencies; other licenses are issued through local city or county offices.

Same county

Cities, towns and neighboring counties

Use the city page when a record was created by a municipal police department or city office; use the county page for courts, deeds, vital records and jail custody.