Reviewed and updated October 4, 2026 by the SearchSystems.net editorial team. Every office link on this page was opened and checked against the office's own website at review time.
Black Diamond is a city in King County, Washington, with about 6,800 residents (2024 Census Bureau estimate). Its public records are split between the city and the county. The city keeps council records and its own licenses and permits; court cases, jail bookings, deeds and vital records are county or state records. This guide names the Black Diamond offices SearchSystems verified, links to each one's own website and gives the phone number and address where the office publishes them. SearchSystems verified 2 city office pages for Black Diamond, every one opened and checked.
In this guide: City or county, City Hall, Records requests, Other cities and Questions.
City or county record: where Black Diamond records are kept
- Kept by the City of Black Diamond: council and board meeting records, ordinances and the city's own licenses and permits.
- Kept by King County or the state: court cases, jail bookings, deeds and property values and birth and death certificates. These are not city records; they are in the King County public records guide under court records, jail lookups, property records and vital records.
Black Diamond City Hall: departments, licenses and permits
Business licenses, building permits, code enforcement cases and the city's other records are kept by the department that issued them. The city's own website below lists its departments and how to reach them.
- Website: blackdiamondwa.gov/1224/Contact-City-Hall (page title: Contact City Hall | Black Diamond, WA)
- Address: 25510 Lawson St. Black Diamond, WA 98010
- Checked: September 26, 2026, the page answered.
Public records requests to Black Diamond
Washington public records law applies to the city government of Black Diamond. The city runs one records request page for its departments; it is the page below, verified by SearchSystems. A request that names a date, an address, or a report or case number is the easiest to answer.
- Website: blackdiamondwa.gov/1522/Records-and-Evidence (page title: Records and Evidence | Black Diamond, WA)
- Phone: 360-851-4451
- Hours: Thursdays by appointment only between 9 am to 2:30 pm.
- Checked: September 26, 2026, the page answered.
A record the request page does not cover is asked for from the office that holds it: the department that issued a permit or license for its records.
Other cities and towns in King County
SearchSystems has a guide like this one for these other cities and towns in King County. The King County public records guide covers the records the county keeps for all of them.
Frequently Asked Questions
Is this the official Black Diamond website?
No. SearchSystems.net is an independent public records directory, online since 1997. It links to the official Black Diamond offices listed above, and the city's own website is blackdiamondwa.gov; SearchSystems does not hold records, charge for them or take requests.
Where do I find court records or jail bookings for Black Diamond?
Black Diamond cases are heard by the courts that serve King County, and people arrested in Black Diamond are usually booked into the county jail. Both are covered in the King County public records guide on SearchSystems.
How do I request a public record from Black Diamond?
Through the city's records request page at blackdiamondwa.gov/1522/Records-and-Evidence, phone 360-851-4451. A record it does not cover is requested from the office that holds it: the department that issued a permit or license for its records.