About Washtenaw County

Area 722 square miles
County Seat Ann Arbor
Established 1826
Named After the Ojibwe word

Washtenaw County is located in southeastern Michigan, approximately 45 miles west of Detroit. The county seat is Ann Arbor, home to the University of Michigan, one of the nation's premier research institutions. Established in 1826 and organized in 1829, Washtenaw County covers approximately 722 square miles and has a population of roughly 372,000 residents as of recent estimates, making it the sixth-most populous county in Michigan.

  • The County Clerk's office, County Recorder (Register of Deeds), and County Assessor all maintain offices at or near this address.
  • The Register of Deeds maintains land records and is located at 200 North Main Street.
200 North Main Street, Ann Arbor, MI 48104

The county is named after the Ojibwe word 'washtenong,' meaning 'far away water.' Major municipalities include Ann Arbor, Ypsilanti, Saline, Chelsea, and Dexter. The county is known for its blend of urban sophistication, agricultural heritage, and natural beauty, with landmarks including the Huron River, Matthei Botanical Gardens, and historic downtown districts. Washtenaw County government operates from the County Administration Building at 200 North Main Street, Ann Arbor, MI 48104.

The County Clerk handles elections, vital records, and board proceedings. The Equalization Department handles property assessment coordination. What makes Washtenaw County unique is its combination of world-class educational institutions, thriving tech and healthcare sectors, preserved farmland, and progressive governance.

Sheriff, Police & Law Enforcement

Sheriff & Law Enforcement

The Washtenaw County Sheriff's Office is responsible for maintaining law and order in the county's unincorporated areas. It oversees the operation of the county jail, processes arrests, and maintains criminal records. The office is known for its community engagement programs and specialized divisions such as the Community Engagement Division, which focuses on building relationships between law enforcement and residents. The Sheriff's Office also plays a crucial role in coordinating with other local law enforcement agencies to ensure public safety across the county.

Police Departments

Washtenaw County is served by several law enforcement agencies, including the Washtenaw County Sheriff's Office and municipal police departments such as the Ann Arbor Police Department, Ypsilanti Police Department, and Saline Police Department. Each department has jurisdiction over its respective city or township, handling local law enforcement duties. These agencies collaborate on major crimes and public safety initiatives, sharing resources and information to effectively address criminal activity across the county.

Law Enforcement & Arrests

The Washtenaw County Sheriff's Office is the primary law enforcement agency serving unincorporated areas and providing countywide services including jail operations, court security, and patrol. The Sheriff's Office is headquartered at 2201 Hogback Road, Ann Arbor, MI 48105, phone (734) 994-2911, with a website at www.washtenaw.org/sheriff. The Washtenaw County Jail, located at the same address, houses pretrial detainees and sentenced inmates.

  • Requests for arrest records, police reports, and incident reports must be submitted in writing to the specific law enforcement agency that made the arrest.
  • Each agency maintains its own FOIA procedures and fee schedules.
  • Historical booking photos may require a formal FOIA request.
  • Processing fees typically apply for copies of arrest records and related documents.
2201 Hogback Road, Ann Arbor, MI 48105 • Phone: (734) 994-2911

Inmate lookup is available online through the Sheriff's Office website via the Jail Management System, where the public can search by name or booking number to find current inmates, booking dates, charges, and bond information. Municipal police departments operate in Ann Arbor (Ann Arbor Police Department), Ypsilanti (Ypsilanti Police Department), Ypsilanti Township, Pittsfield Township, and other incorporated municipalities. The University of Michigan Department of Public Safety and Eastern Michigan University Police Department provide law enforcement on their respective campuses with full police authority.

Arrest records in Washtenaw County are public records under Michigan's Freedom of Information Act (FOIA), MCL 15.231 et seq. Mugshots and booking photos are generally available through the Sheriff's Office inmate search portal for current detainees. The Sheriff's Office maintains records of all bookings, arrests by their deputies, and jail custody information.

Criminal, Arrest & Jail Records

Criminal Records

The criminal records system in Washtenaw County encompasses various types of records, including felony, misdemeanor, traffic violations, and the sex offender registry. The Washtenaw County Sheriff's Office and local police departments maintain these records, while the Michigan State Police provides statewide background checks. Residents can request background checks through the Michigan Internet Criminal History Access Tool (ICHAT). The Michigan Bureau of Investigation assists in providing comprehensive criminal history information for Washtenaw County residents.

Arrest Records

Arrest records in Washtenaw County are maintained by the Washtenaw County Sheriff's Office and local police departments. Residents and attorneys can request these records through the respective law enforcement agency, often requiring a formal written request. A Washtenaw County arrest record typically includes the individual's personal information, details of the arrest, charges filed, and the arresting officer's information. These records are accessible under the Michigan Freedom of Information Act, which governs the public's right to access government records.

Jail & Inmate Records

The Washtenaw County Jail, located in Ann Arbor, is the primary detention facility for the county. It handles the booking process for individuals arrested within the county, providing inmate lookup services through its online portal. Visitation rules are specific to this facility, requiring visitors to schedule appointments in advance and adhere to strict guidelines. The bond and bail process follows Michigan state laws, allowing for the release of detainees pending trial.

Mugshots & Booking Photos

Mugshots in Washtenaw County are taken and retained by the Washtenaw County Sheriff's Office during the booking process. These booking photos are part of the public record and can be accessed through the Sheriff's Office website or by submitting a formal request. While Michigan does not have specific laws for mugshot removal, individuals can petition for removal if the charges are dropped or if they are acquitted. The availability of mugshots online is subject to the policies of the Sheriff's Office and applicable state laws.

Courts & Case Records

Washtenaw County's court system includes the 22nd Circuit Court, located at 101 East Huron Street, Ann Arbor, MI 48107, phone (734) 222-3270. The Circuit Court hears felony criminal cases, civil cases exceeding $25,000, family law matters including divorce and custody, and appeals from lower courts. The 14A District Court, also located at the Washtenaw County Trial Court building at 101 East Huron Street (phone 734-484-6600 for the Ypsilanti division), handles misdemeanor criminal cases, civil matters up to $25,000, landlord-tenant disputes, and traffic violations.

  • Fees for copies are typically $1.00 per page for standard documents, with certified copies costing an additional fee.
101 East Huron Street, Ann Arbor, MI 48107 • Phone: (734) 222-3270

The 15th District Court serves western Washtenaw County municipalities. The Washtenaw County Probate Court, located at 101 East Huron Street (phone 734-222-3055), handles estates, guardianships, conservatorships, mental health proceedings, and juvenile matters. Court records are public under MCL 600.916 and court rules, though certain records such as juvenile cases and adoption files are confidential.

The court system offers online case search through the Michigan Court system's Case Search portal for many case types. Users can search by party name, case number, or attorney. Some records require in-person access at the court clerk's office.

The Trial Court Administrator's office coordinates access to court records and can provide information on records policies. Remote access has expanded but some sensitive documents require in-person viewing and proper identification.

Property & Public Records

The Washtenaw County Register of Deeds, located at 200 North Main Street, P.O. Box 8645, Ann Arbor, MI 48107 (phone 734-222-6655), maintains land and property records for the county. The office records and preserves deeds, mortgages, liens, easements, plat maps, survey records, and other documents affecting real property. The Register of Deeds website (www.washtenaw.org/deeds) provides free online access to recorded documents through a searchable database dating back many decades. Users can search by grantor/grantee name, document type, liber and page number, or parcel identification number.

  • Digital images of recorded documents are available for viewing and printing at no charge for online access.
  • Certified copies of recorded documents cost $1.00 for the first page and $0.50 for each additional page, plus a certification fee.
  • The Register of Deeds also maintains military discharge records (DD-214s) in a confidential database accessible only to the veteran or authorized representatives.

Property tax records are maintained by the Washtenaw County Equalization Department and local assessing offices. The county provides a comprehensive online GIS and property information portal through the website where users can search by address, parcel number, or owner name to view assessment information, tax amounts, property characteristics, aerial photos, and map data. This service is free to the public.

For official tax documents, contact the local township or city treasurer. The Equalization Department is located at 200 North Main Street, Suite 310, Ann Arbor, MI 48104 (phone 734-222-6633). Walk-in assistance is available during business hours.

Vital Records

Vital records for Washtenaw County are handled by the Washtenaw County Clerk's office, located at 200 North Main Street, Suite 130, P.O. Box 8645, Ann Arbor, MI 48107 (phone 734-222-6655). Birth certificates for births occurring in Washtenaw County can be requested from the County Clerk. Certified copies cost $34.00 for the first copy and $16.00 for each additional copy of the same record ordered at the same time. Death certificates for deaths occurring in Washtenaw County are also available through the County Clerk at the same fee schedule.

  • Processing time is typically 1-2 weeks for mail requests.
  • Walk-in requests may be available for same-day service depending on record availability and volume.
  • Marriage licenses are issued by the Washtenaw County Clerk's office; applicants must apply in person with valid identification and pay a fee of $30.00 (reduced to $10.00 if premarital education is completed).
  • Online ordering through VitalChek is available for Michigan vital records with expedited processing options and additional service fees.

Michigan vital records law (MCL 333.2882) restricts access to birth and death certificates to eligible individuals including the registrant, immediate family members, legal representatives, and others with documented legal need. Valid government-issued photo identification is required. Marriage records are public.

Divorce records (judgments of divorce) are maintained by the 22nd Circuit Court, not the County Clerk. For vital records older than several years or for records from other Michigan counties, the Michigan Department of Health and Human Services Vital Records office in Lansing can be contacted at (517) 335-8655 or via mail.

Business & Licensing

Business license records in Washtenaw County vary by county, as local cities and townships issue most business licenses and permits. The Washtenaw County Clerk, located at 200 North Main Street, Suite 130, Ann Arbor, MI 48107 (phone 734-222-6655), accepts filings for Doing Business As (DBA) names and fictitious business name registrations at the county level. These records are public and can be searched through the County Clerk's office.

For formal business entity formation (corporations, LLCs, partnerships), the Michigan Department of Licensing and Regulatory Affairs (LARA) maintains records through the Corporations Division. The Michigan business entity search is available online at www.michigan.gov/corpentitysearch, providing free access to business names, registered agents, formation dates, and status for entities registered with the state. Professional licenses (contractors, cosmetologists, healthcare professionals) are issued by the State of Michigan through LARA.

Sales tax licenses and permits are handled by the Michigan Department of Treasury. Building permits and zoning matters are handled at the municipal level in incorporated areas and by Washtenaw County Planning and Development Services (phone 734-222-6800) for unincorporated areas. The County Planning office is located at 200 North Main Street, Suite 300, Ann Arbor.

The Ann Arbor/Ypsilanti Regional Chamber operates as a key business resource (phone 734-665-4433, website at a2ychamber.org), providing networking, advocacy, and information for the local business community. Businesses operating in Ann Arbor, Ypsilanti, or other municipalities must also comply with local licensing requirements administered by city clerk offices.

Elections & Voter Records

Elections in Washtenaw County are administered by the Washtenaw County Clerk's office, located at 200 North Main Street, Suite 130, P.O. Box 8645, Ann Arbor, MI 48107. The Elections Division can be reached at (734) 222-6730, and information is available at www.washtenaw.org/clerk. Voter registration in Michigan is available online through the Michigan Voter Information Center at michigan.gov/vote, by mail, or in person at the County Clerk's office, Secretary of State branch offices, or designated voter registration agencies.

  • Michigan offers Election Day registration, allowing eligible residents to register and vote on the same day at their city or township clerk's office during early voting periods or on Election Day.
  • Traditional registration deadlines apply for those registering by mail (15 days before an election).
  • To request an absentee ballot in Washtenaw County, voters should contact their city or township clerk directly, apply online through the Michigan Voter Information Center, or submit a written request.
  • Absentee ballots can be requested up to 75 days before an election.

To find your polling place in Washtenaw County, voters can use the Michigan Voter Information Center online tool by entering their name and date of birth, or contact their local city or township clerk. Election records that are public in Michigan include the Qualified Voter File (voter registration list available with restrictions under MCL 168.522 and 168.523), campaign finance reports filed with the County Clerk for local candidates and committees, candidate filings and petitions, and precinct-level election results. In the November 2024 general election, Washtenaw County recorded approximately 75% voter turnout, among the highest in Michigan.

The next major election is November 3, 2026, featuring U.S. House races, potential U.S. Senate race, Michigan gubernatorial election, state legislature seats, and local offices.

Michigan law allows no-reason absentee voting. Applications are available on the County Clerk's election website. Transparency in Washtenaw County elections is strong; citizens can request election materials, observe ballot processing, and access detailed precinct results through the County Clerk under Michigan's Freedom of Information Act.

Economy & Demographics

Washtenaw County's economy is anchored by education, healthcare, technology, and advanced manufacturing. The University of Michigan is the largest employer with over 30,000 employees, generating significant economic activity through research, healthcare (Michigan Medicine), and educational services. Other major employers include Trinity Health, the automotive supplier sector, St. Joseph Mercy Health System, and Eastern Michigan University.

  • The median household income in Washtenaw County is approximately $76,000, significantly higher than the Michigan state average, reflecting the county's educated workforce and high concentration of professional jobs.

Key economic sectors include higher education, healthcare and life sciences, information technology and software development, advanced manufacturing (especially automotive technology), and professional services. Major corporations with facilities in Washtenaw County include Toyota Technical Center, Google (Ann Arbor office), and numerous automotive suppliers and tech startups. The county benefits from a robust entrepreneurial ecosystem supported by University of Michigan research commercialization and venture capital investment.

Unemployment rates in Washtenaw County typically track below state and national averages. Agricultural production remains economically significant in rural townships, with crops including corn, soybeans, wheat, and specialty crops. Tourism contributes to the economy through attractions related to University of Michigan athletics, cultural venues, and historic downtown districts.

Recent economic development projects include expansion of research parks, mixed-use development in urban cores, and initiatives to attract tech companies. The county's economic development is supported by Ann Arbor SPARK, the regional economic development agency.

Transparency Score

Court Records: ✅ Online | Property: ✅ Free Search | Arrest/Jail: ✅ Online | Vital Records: ⚠️ In-Person/Mail Required | Business: ✅ Online (State) | Elections: ✅ Online | Overall Score: 9/10 — Washtenaw County provides exceptional digital access to public records with comprehensive online portals for property, jail, court, and election information.

Frequently Asked Questions

How can I search for someone recently arrested in Washtenaw County, Michigan?
To search for someone recently arrested in Washtenaw County, Michigan, you can use the inmate lookup tool provided by the Washtenaw County Sheriff's Office. The main facility is the Washtenaw County Jail, located in Ann Arbor. You can visit their official website to access the inmate search feature, which allows you to find current detainees by name or booking number. For more detailed inquiries, you may contact the jail directly at their administrative phone number.
Mugshots or booking photos in Washtenaw County, Michigan, can be accessed through the Washtenaw County Sheriff's Office. They maintain records of recent arrests, including booking photos, which may be available through their online portal or by request. For online access, visit the Sheriff's Office website, or you can contact their records division for further assistance.
To obtain a criminal background check in Washtenaw County, Michigan, you need to contact the Michigan State Police, who manage the Internet Criminal History Access Tool (ICHAT). This service allows you to search for criminal history records statewide. Locally, you can also request assistance from the Washtenaw County Sheriff's Office for any county-specific records.
You can look up sex offenders in Washtenaw County, Michigan, by using the Michigan Public Sex Offender Registry. This registry is managed by the Michigan State Police and provides detailed information on registered sex offenders throughout the state, including those residing in Washtenaw County. The online database is searchable by name, address, and zip code.
You can register to vote in Washtenaw County through the Michigan Voter Information Center at michigan.gov/vote, in person at the Washtenaw County Clerk's office at 200 North Main Street, Ann Arbor, or at any Secretary of State branch office. Michigan offers Election Day registration at your local clerk's office, though traditional mail registration must be received at least 15 days before an election. Once registered, you can request an absentee ballot for any election with no reason required by contacting your city or township clerk or applying online.
Property records in Washtenaw County can be searched through the Register of Deeds office at www.washtenaw.org/deeds, which offers free online access to recorded deeds, mortgages, liens, and other land documents. The county also provides a free GIS property information portal where you can search by address or parcel number to view assessment data, tax information, ownership history, and maps. For certified copies of recorded documents, contact the Register of Deeds at (734) 222-6655; fees are $1.00 for the first page and $0.50 for additional pages plus certification fees.
Birth and death certificates for events occurring in Washtenaw County can be obtained from the Washtenaw County Clerk's office at 200 North Main Street, Suite 130, Ann Arbor, MI 48107, or by calling (734) 222-6655. Certified copies cost $34.00 for the first copy and $16.00 for each additional copy ordered simultaneously. You must be an eligible requestor (registrant, immediate family, legal representative) and provide valid government-issued photo identification. Processing typically takes 1-2 weeks for mail requests, with walk-in service potentially available the same day, or you can order online through Michigan's VitalChek service with additional fees.
For business entity records (LLCs, corporations), search the Michigan Department of Licensing and Regulatory Affairs database at www.michigan.gov/corpentitysearch, which is free and searchable by business name or ID number. For local Doing Business As (DBA) or fictitious name filings in Washtenaw County, contact the County Clerk's office at (734) 222-6655 or visit 200 North Main Street, Ann Arbor. Business licenses for specific activities are typically issued by individual cities and townships, so contact your local municipal clerk for license records. Building permits and zoning information for unincorporated areas are handled by Washtenaw County Planning and Development Services at (734) 222-6800.

Cities & Towns in Washtenaw County

County Info
StateMichigan
County SeatAnn Arbor
Population372258
Area722 sq mi
Founded1826