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Union City, Alameda County · Available 24/7
Union City sits between Fremont and Hayward with its own police department, so an arrest here starts with UCPD before any transfer into the Sheriff's jail system.



Bail Bonds In Union City
Arrest & Booking — What Happens First
Union City Police Department & Jurisdiction
Where Defendants End Up
Alameda County Sheriff's Jail System
Facility Map
Union City's Court
What Bail Costs
Payment Plans
Who Qualifies
Why Choose The Bail Network
Common Union City Charges
What We Need
Union City FAQs
Other Alameda County Cities
Union City, Alameda County
Union City was incorporated on January 26, 1959, formed by combining the historic communities of Alvarado and Decoto. Alvarado is a California Historical Landmark. The city covers roughly 19.18 square miles about 19 miles south of Oakland, with a population of 70,143 at the 2020 Census.
The Union City Police Department is at 34009 Alvarado-Niles Road, (510) 471-1365, per the city's official site. Note the correct city domain is unioncityca.gov — a detail worth having right when you are searching under pressure.
Union City's courthouse assignment is not confirmed. Geographically the Fremont Hall of Justice is the obvious candidate given the city's position between Fremont and Hayward, but Alameda County Superior Court does not publish a city-by-city courthouse map for adult criminal matters, and we are not going to invent one. The court's own local rules leave criminal assignments to a directive of the Presiding Judge that is not posted publicly.
As an independent-PD city, a Union City arrest can be held and processed locally before the transfer into county custody, so an early county search may come back empty.
Arrested in Union City right now?
(213) 510-2764Call — give us the full name and date of birth and we determine exactly where the defendant is in the Union City booking flow and have the bond ready the moment bail is set.
Every Union City arrest follows the same path. Here is each step, with the real contact at each one.
Find An InmateA Union City arrest is made by Union City Police Department officers. The department can hold and process someone at its own facility before any transfer into county custody, which is why a county custody search in the first hours can legitimately come back empty.
Anyone not cited and released moves into the Alameda County Sheriff's Office jail system, anchored by Santa Rita Jail, 5325 Broder Boulevard, Dublin, (925) 551-6500. We confirm the exact housing location by phone rather than assuming it.
Once booking is complete, bail is usually set from the countywide bail schedule adopted under Penal Code §1269b. A judge can raise, lower, or eliminate it at arraignment.
We post directly with the facility holding your loved one. Premiums are regulated under Insurance Code §1800 and run 10% of the bail amount, with as low as 1% down for qualifying cosigners.
Every number and address below is an official government source — the station that polices Union City, the county department that runs the jails, and the intake facility a Union City booking passes through. When information conflicts, trust these over any third-party site.
34009 Alvarado-Niles Road, Union City, CA 94587
(510) 471-1365
The city's own police department. Address and main number are taken from the City of Union City's official site at unioncityca.gov.
The Sheriff's Office runs the county jail system, anchored by Santa Rita Jail, 5325 Broder Boulevard, Dublin, (925) 551-6500. A city-police arrest only appears in county custody once the transfer is complete.
The court system that hears Alameda County criminal cases.
The specific courthouse assigned to this city is not yet confirmed against the court's own sources, so we do not name one here.
Nearest Jail Facility
Union City arrests start with the Union City Police Department's own facility before any transfer into county custody, so a county search in the first hours can legitimately come back empty. Once the transfer happens, the county system below is where the record lives.
Official ACSO Inmate LocatorUnion City's own police department handles the initial arrest and any local holding before a county transfer. Arrest reports and first-hour custody questions start here.
A booking from Union City is processed inside the Alameda County Sheriff's Office jail system. The Sheriff's Office routes by classification rather than by city of arrest, so we do not name a specific facility here — call us with a name and date of birth and we confirm the exact location before you drive anywhere.
Call The Bail Network — give us the full name and date of birth and we search the county system for you, confirm the exact facility, and tell you the bail amount the moment it posts.
Where Bail Is Set
Bail is set once booking is complete, regardless of whether the arrest came from Union City Police Department. Most bail amounts follow the countywide schedule set under Penal Code §1269b — not a city-specific schedule — and a judge can raise or lower it at arraignment. If you cannot locate your loved one right after a Union City-area arrest, call us and we will tell you exactly where they are.
Official Sources · This page provides general information only. It is not legal advice. Consult a licensed California attorney regarding your specific situation.
A Union City arrest starts with Union City Police Department and then moves into the Sheriff's Office jail system, anchored by Santa Rita Jail, 5325 Broder Boulevard, Dublin, (925) 551-6500. Call us with a name and date of birth and we confirm the exact location and the bail amount before you travel.
Alameda County jail system34009 Alvarado-Niles Road, Union City, CA 94587
(510) 471-1365
The city police department handling Union City arrests.
Get directionsAlameda County criminal cases are heard in the Superior Court of California, County of Alameda, which runs courthouses across the county rather than a single location. The courthouse printed on the notice to appear is the authoritative answer for where a case is heard.
Alameda County Superior Court Alameda County courthouse overviewAlameda County Superior Court runs courthouses across the county, and a case from Union City is heard at the one serving this part of the county. We have not confirmed that assignment against the court's own sources yet, so we are not going to guess it here — the courthouse named on the notice to appear is the authoritative answer, and we confirm it with you when we post the bond.
Court Dates & Case Records
Court dates and case records for Alameda County cases are handled through the Superior Court of California, County of Alameda. The courthouse printed on the notice to appear is the authoritative answer for where a case is heard — we confirm it with you when the bond is posted.
Alameda County Superior CourtBail set at booking follows Alameda County's uniform bail schedule adopted under Penal Code §1269b, so amounts in Union City match the countywide figures — there is no separate Union City schedule. Premiums are regulated under Insurance Code §1800 and typically run 10% of the bail amount.
| Total Bail Amount | 10% Premium (Total Cost) | 1% Down (To Start) |
|---|---|---|
| $5,000 | $500 | $50 |
| $10,000 | $1,000 | $100 |
| $25,000 | $2,500 | $250 |
| $50,000 | $5,000 | $500 |
| $100,000 | $10,000 | $1,000 |
Examples only. The 1% tier requires approved credit and a qualifying cosigner.
Bail is set at $25,000. California's regulated premium is 10%, so your cost is $2,500. The Bail Network posts the full $25,000 with the court. The premium is earned and non-refundable once the bond is posted — that is California Insurance Code §1800, not our policy. Qualifying families can arrange payment plans starting as low as 1% down.
Legal Authority
Bail schedules are set by the Alameda County Superior Court judges in accordance with California Penal Code §1269b. Specific amounts may vary based on prior convictions and special circumstances.
The premium is regulated, but how you pay it is not one-size-fits-all. Qualifying families can start as low as 1% down and pay the balance on a written schedule.
Flexible schedules on the premium itself — ask about monthly arrangements built around what you actually earn.
Many bonds, especially lower-tier misdemeanors and first-offense DUIs, do not require collateral at all.
Visa, Mastercard, American Express, ACH bank transfer, Zelle, and cash.
The 10% premium is non-refundable once the bond is posted, regardless of the case outcome — that is California law (Insurance Code §1800), not Bail Network policy.
Qualifications
The county bail schedule adopted under Penal Code §1269b applies, so no judge is required for most cases. Release is often same-day once bail is set and the bond is posted.
Bail is commonly set at arraignment, and Penal Code §1270.1 requires a formal hearing before release on certain serious or violent felonies.
Under Article I, §12 of the California Constitution, bail can be denied for capital offenses and for violent or sexual-assault felonies where the evidence is strong. In re Humphrey (2021) requires courts to weigh ability to pay before setting an unaffordable amount.
An Emergency Protective Order is often issued at arrest, with a longer Criminal Protective Order possible at arraignment. No-contact conditions typically apply on release — read them carefully before going home.
Under Article I, §12 of the California Constitution, bail can be denied for capital offenses, and for felonies involving acts of violence or sexual assault on another person, when the facts are evident and the presumption of guilt is great.
In In re Humphrey (2021), the California Supreme Court held that a court cannot set bail an arrestee is unable to afford without first considering their ability to pay and less restrictive alternatives. That argument is made at the bail hearing itself.
Payment Options
1% is the lowest down payment we offer, but 5% is generally the sweet spot for bail bond payments.
Strongest cosigner profile — good credit, long employment, homeowner or verifiable equity.
Solid credit and stable work history, with a local cosigner.
Mixed credit or shorter work history, still with a qualifying cosigner.
No cosigner, thin credit, prior failure-to-appear history, or a high-exposure charge.
We tell you the tier you actually qualify for before anything is signed — never a low number quoted to get you off the phone.
Real people, every call, every day, including nights and holidays.
The premium is set under California law — no padding, no hidden fees.
We often locate the custody record before you arrive at the facility.
Mobile agents come to you when getting to an office is not realistic.
One team statewide, so there is no confusion about who handles what.
The full range of case types handled with the same care as a county bond.
Every charge below is a full guide on this site — what the bail usually runs, how the premium is calculated, and what the release timeline realistically looks like in Alameda County.
DUI / DWI Bail Bonds
24-hour bail for drunk-driving arrests under Vehicle Code §23152.
Domestic Violence Bail Bonds
Bail and protective-order guidance for PC §273.5 and §243(e)(1) cases.
Drug Possession & Drug Charge Bail Bonds
Bail for possession, sales, trafficking, and prescription-related cases.
Theft Bail Bonds
Bail for petty theft, grand theft, shoplifting, and receipt of stolen property.
Burglary Bail Bonds
Bail for first-degree, second-degree, and auto burglary under PC §459.
Robbery Bail Bonds
Bail for armed and unarmed robbery charges under PC §211.
Warrant Bail Bonds
Clear bench warrants and arrest warrants fast without unnecessary jail time.
Elder Abuse Bail Bonds
Bail for financial, physical, or neglect-based elder abuse charges.
Manslaughter Bail Bonds
Bail for voluntary, involuntary, and vehicular manslaughter under PC §192.
Murder Charge Bail Bonds
Bail for first-degree and second-degree murder charges under PC §187.
Misdemeanor Bail Bonds
Bail for misdemeanors with quick release and flexible payment plans.
Felony Bail Bonds
Bail for felony charges and serious criminal allegations.
Traffic & Vehicle Code Bail Bonds
Bail for reckless driving, hit-and-run, and suspended-license arrests.
Assault & Battery Bail Bonds
Bail for simple battery, assault, and aggravated assault cases.
Failure To Appear (FTA) Bail Bonds
Bail for FTA warrants and missed court dates.
Probation Violation Bail Bonds
Bail for technical and substantive probation violations.
Weapons Charge Bail Bonds
Bail for illegal firearm, concealed carry, and weapons allegations.
Federal Charge Bail Bonds
Bail for federal court charges and pretrial release.
Immigration Bonds
Bonds for ICE detainers and immigration court proceedings.
The more of this you have when you call, the faster we can locate the defendant and start the bond. Missing a few details? Call anyway — we can usually find the record with just a name and a city.
Find An InmateThe defendant's full legal name, spelled exactly as it appears on their ID — this is how the jail system indexes them.
Their date of birth. Common names return dozens of matches; the DOB is how we confirm we have the right person.
The city where the arrest happened, and the facility if you know it. This tells us which agency is holding them.
The booking number, if it has been issued yet. Not required — if you don't have it, we locate the record ourselves.
Your full name and a phone number that actually reaches you — release updates move fast once the bond is posted.
Your relationship to the defendant. This shapes how the bond, payment plan, and any cosigner paperwork are structured.
Not confirmed. The Fremont Hall of Justice is the closest Superior Court location and a reasonable geographic candidate, but the court does not publish a city-by-city assignment for adult criminal cases, so we will not state one as fact. The notice to appear names the correct courthouse — call us and we will read it with you.
We post bonds across all of Alameda County. These are Union City's closest neighbors in the South Alameda County area.