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Yes! You can use AI to fill out Judicial Council of California Form UD-150, Request/Counter-Request to Set Case for Trial—Unlawful Detainer

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Judicial Council of California Form UD-150, Request/Counter-Request to Set Case for Trial—Unlawful Detainer, page 1
Moderate · 52/100Form Complexity Index

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What this form asks for

The AI fills all of it, from your answers or your documents.

Form UD-150 is the official California Judicial Council request (or counter-request) to have an unlawful detainer case scheduled for trial, including whether possession is still at issue, whether a jury is requested, estimated trial length, and dates of unavailability. It also includes a Proof of Service by Mail section to document that the request was properly mailed to the other parties, which is typically required for filing. Because unlawful detainer matters move quickly and have statutory timing and fee requirements, completing this form accurately helps avoid delays and procedural problems. Today, this form can be filled out quickly and accurately using AI-powered services like Instafill.ai, which can also convert non-fillable PDF versions into interactive fillable forms.
Fillable fields65
Pages2
Sections26
Form Complexity IndexModerate, 52/100

The AI checks your answers before you download

16 checks built for this form, so a wrong date or a missing answer is caught before anyone else sees it.

Case Number present and matches California court case-number format

Validate that the Case Number field is not blank and conforms to the expected format used by the selected county/court (often a year + case type code + sequence, with specific separators). This is critical for correct filing, routing, and docket association. If the case number is missing or malformed, the submission should be rejected or flagged for manual review because it may be filed into the wrong case or not filed at all.

Court venue fields complete and internally consistent (County, addresses, branch)

Check that County, Street Address (or Mailing Address), City/ZIP, and Branch Name are provided and that the City/ZIP is plausible for the stated county. This ensures the request is directed to the correct Superior Court location and prevents misdelivery or rejection by the clerk. If inconsistent (e.g., ZIP not in county) or incomplete, block submission or require correction before filing.

Party names (Plaintiff/Defendant) required and non-placeholder

Ensure Plaintiff and Defendant names are present, not identical, and not generic placeholders (e.g., 'TBD', 'Unknown', 'N/A'). Accurate party identification is essential for docket matching and service validation. If missing or invalid, the form should fail validation because the court cannot reliably associate the request with the correct parties.

Attorney/Party identity block completeness (name + address) and State Bar number rules

Validate that the 'Attorney or Party Without Attorney' section includes a full name and complete mailing address (street, city, state, ZIP). If a State Bar number is provided, enforce numeric format and expected length (commonly 5–6 digits) and disallow it when the filer indicates they are a party without an attorney (if that distinction is captured). If these checks fail, the submission should be rejected because the court needs a valid contact/representation record.

Contact information format validation (phone required; fax/email optional)

Require Telephone Number and validate it as a US phone number (10 digits with optional punctuation and optional country code). If Fax Number is provided, validate it using the same phone rules; if Email Address is provided, validate it against a standard email pattern and disallow obvious invalids (missing '@', invalid domain). If formatting fails, prompt correction because the court and parties rely on these fields for scheduling and notices.

Filing type selection is exclusive: Request vs Counter-Request

Enforce that exactly one of 'Request' or 'Counter-Request' is checked, not both and not neither. This classification affects how the court treats the filing and may impact statutory timing and calendaring. If the selection is ambiguous, the system should block submission and require the filer to choose one.

And 10 more checks
  • Filing party selection is exclusive and consistent with request language
  • Premises possession status is mutually exclusive and required
  • Trial preference premises location completeness and address structure
  • Trial type selection is exclusive: Jury vs Nonjury
  • Estimated trial length selection and numeric bounds (days vs hours)
  • Unavailability dates entry format and required reason pairing
  • Unlawful Detainer Assistant (UDA) selection is exclusive and triggers conditional required fields
  • UDA registration details format (phone, registration number, expiration date not expired)
  • Signature block completeness and date validity (both pages where applicable)
  • Proof of Service by Mail completeness and logical consistency (server eligibility, method, mailing details, recipients)

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How to Fill Out UD-150 Online for Free in 2026

What the AI walks you through.

  1. Go to Instafill.ai and upload the UD-150 PDF (or search/select “UD-150 Request/Counter-Request to Set Case for Trial—Unlawful Detainer”).
  2. Enter case and court details (case number, county, court addresses/branch) and identify the parties (plaintiff and defendant).
  3. Choose the filing type and filing party (Request vs. Counter-Request; Plaintiff vs. Defendant) and confirm service/appearance status as stated in the form.
  4. Complete trial-setting details: indicate whether possession is still in issue, provide the premises address for trial preference, select jury or nonjury, and estimate trial length (days or hours).
  5. List any dates you are unavailable for trial and provide brief reasons, as required by the form.
  6. Complete the Unlawful Detainer Assistant section (indicate whether any paid assistant helped; if yes, enter the assistant’s registration details), then add the date, printed name, and signature information.
  7. Fill out the Proof of Service by Mail section (server eligibility, server address, mailing method, date/place mailed, recipients’ names/addresses), then generate a final, court-ready PDF for printing/e-filing and retain copies for your records.

Common Mistakes in Completing UD-150

The ones the AI is built to catch.

Missing or incorrect case number on one or both pages
People often enter the case number on page 1 but forget to repeat it on page 2 (Proof of Service), or they transpose digits/letters from other filings. Courts may reject the filing or misfile it, which can delay getting a trial date in a time-sensitive unlawful detainer case. Always copy the case number exactly as it appears on prior court notices and ensure it is filled in on every page that asks for it. AI-powered tools like Instafill.ai can auto-populate the case number consistently across pages and flag mismatches.
Checking the wrong filing type (Request vs. Counter-Request) and/or wrong filing party
Filers sometimes check both boxes, or they select “Request” when they are actually responding to the other side’s request (a counter-request), or they mark the wrong party (Plaintiff/Defendant). This creates confusion about who is asking for the trial setting and can lead to clerk questions, rejection, or delays. Check only the box that matches your procedural posture and ensure the “Plaintiff”/“Defendant” filer box matches the caption. Instafill.ai can guide selection logic so mutually exclusive boxes aren’t both selected.
Making the ‘all parties served/appeared/default/dismissal’ representation when it isn’t true
A common mistake is requesting a trial date before service is complete or before all parties have appeared or had default/dismissal entered, often due to misunderstanding the requirement. If the statement is inaccurate, the court may refuse to set trial, require corrective filings, or the opposing party may challenge the request. Verify service status and the docket (appearances, defaults, dismissals) before signing under penalty of perjury. Instafill.ai can prompt a checklist of prerequisites to reduce the risk of premature filing.
Selecting the wrong possession-status option (still in issue vs. no longer in issue)
Filers sometimes check the wrong box because they confuse “possession still in issue” with whether rent is owed or whether the tenant has moved out. Checking the wrong status can affect how the court treats urgency and trial preference and may create credibility issues if later contradicted. Confirm whether anyone is still in possession and whether possession is actually disputed before selecting 1(a) or 1(b). Instafill.ai can add validation prompts to clarify the meaning of each option before you commit.
Incomplete premises location for trial preference (missing county, ZIP, or unit number)
People frequently provide only a street address or omit the apartment/unit number, ZIP code, or the county where the premises are located. In unlawful detainer matters, the premises address is central to venue and trial preference, and missing details can trigger clerk rejections or follow-up requests. Enter the full address exactly as used in the complaint: street, unit, city, ZIP, and county. Instafill.ai can standardize address formatting and flag missing components.
Requesting a jury trial without understanding the deposit requirement and timing
Some filers check “jury trial” without realizing a $150 deposit is required at least 5 days before trial, or they assume the request alone is sufficient. Failure to timely deposit can result in losing the jury right or last-minute scrambling that delays proceedings. Only request a jury if you intend to comply with the deposit requirement and calendar the deadline immediately. Instafill.ai can surface deadline reminders and ensure the selection aligns with required follow-up steps.
Estimated trial length left blank or internally inconsistent (days vs. hours)
A frequent error is checking both “days” and “hours,” checking one but not providing the number, or giving an unrealistic estimate that doesn’t match the issues. The court uses this estimate for scheduling; missing or inconsistent entries can delay setting trial or lead to an unsuitable time slot. Check only one option and provide a specific numeric estimate (e.g., “4 hours” if less than one day). Instafill.ai can enforce mutually exclusive choices and require a number when a box is checked.
Unavailability dates provided without reasons or with vague/unclear dates
Filers often list “not available next week” or provide dates without reasons, or they use ambiguous formats that can be misread (e.g., 03/04/26). The court may ignore vague unavailability, increasing the chance of a trial date you cannot attend and potential sanctions or continuance motions. Provide specific dates and a brief reason for each (e.g., “02/28/2026 – out-of-state medical appointment”). Instafill.ai can standardize date formats and prompt for a reason when a date is entered.
Unlawful Detainer Assistant section completed incorrectly or left incomplete
People sometimes check “did” but fail to fill out a–f, or they leave the entire section blank because they think it doesn’t apply. This section is mandatory in all cases, and incomplete disclosures can cause rejection or require amendment, especially when assistance was provided for compensation. Always check either “did not” or “did,” and if “did,” complete every assistant detail (name, address, registration county/number, expiration). Instafill.ai can conditionally reveal and require the a–f fields only when “did” is selected.
Proof of Service by Mail signed by a party or otherwise invalid server
Self-represented litigants commonly mail the documents themselves and sign the Proof of Service, not realizing the server must be over 18 and not a party to the case. An invalid proof of service can lead to the filing being rejected or the service being challenged, delaying the trial setting. Use a non-party adult to mail the documents and have that person complete and sign the Proof of Service. Instafill.ai can highlight eligibility rules and prevent selecting the filer as the server.
Proof of Service missing method details, mailing date/place, or recipient addresses
Another common issue is failing to check 3(a) or 3(b), leaving 3(c) blank (date/place mailed), or listing recipients without complete addresses (missing ZIP, firm name, or suite). Incomplete service details can invalidate service and force re-service and re-filing, which is costly in a fast-moving unlawful detainer timeline. Ensure one service method is checked, the mailing date and city/state are filled in, and every recipient’s name and full mailing address is listed (use MC-025 if needed). Instafill.ai can validate that all required service fields are completed and format addresses consistently.

Frequently Asked Questions About UD-150

 

Is it really free for 7 days?
Yes. You pay $0 today. Cancel before Nov 18 and you are never charged. Keep it, and it is $19.99 a month for 5 fills of your UD-150.
Can I fill other forms too?
This plan is for your UD-150: your own AI agent fills it as often as 5 times a month. To fill other forms and upload your own, choose a Professional plan from your account.
How do I cancel?
From your account, in two clicks, any time. No email, no call.
How does the AI fill out UD-150?
You answer a few questions in plain words, or upload a document you already have. The AI reads what you give it and puts each answer into the right field of UD-150, on every page, in seconds. It checks the answers against the form's own rules, and you review and change anything before you download, print or sign.
What happens to my information?
It is encrypted in transit and at rest, and it is never used to train AI.
How complex is UD-150 to fill out?
UD-150 has a Form Complexity Index of 52 out of 100, in the moderate tier: 65 fillable fields across 2 pages. Instafill.ai's AI fills it in under a minute, with every field there for you to review before you download.
What is form UD-150 used for?
UD-150 is used to ask the court to set an unlawful detainer (eviction) case for trial. It can be filed as a request or a counter-request by either the plaintiff or the defendant.
Who can file the Request/Counter-Request to Set Case for Trial—Unlawful Detainer (UD-150)?
Either party may file it: the plaintiff (landlord) or the defendant (tenant/occupant). You must indicate whether it is a “Request” or “Counter-Request” and whether the filing party is the plaintiff or defendant.
When should the case be set for trial after filing UD-150?
The notice on the form states the court must set the trial date no later than 20 days after the first request to set the case for trial is made (Code Civ. Proc., § 1170.5(a)). Actual scheduling can vary by court, so confirm with the clerk.
Do I have to serve UD-150 on the other parties before filing it with the court?
Yes. The form includes a Proof of Service by Mail section that must be completed by the person who mailed the documents, and you file the UD-150 along with the completed proof of service.
Can I mail the UD-150 myself if I’m representing myself (self-represented)?
No. If you are representing yourself, someone else who is over 18 and not a party to the case must mail the papers and sign the Proof of Service by Mail.
What information do I need to complete the top section of UD-150?
You’ll need the case number, the names of the plaintiff and defendant, and the court’s county and address/branch information. You also provide attorney or party contact details (phone required; fax/email optional).
How do I answer the “right to possession is still in issue” vs. “no longer in issue” section?
Check “still in issue” if you believe possession of the premises is still being disputed. Check “no longer in issue” if, to your knowledge, no defendant or other person is in possession of the premises anymore.
What address do I put in the “Trial preference” premises location section?
Enter the full location of the rental premises involved in the unlawful detainer case, including street address, apartment/unit number, city, ZIP code, and county. This helps the court identify the property tied to the trial preference.
How do I choose between a jury trial and a nonjury trial on UD-150?
Check the box for the type of trial you are requesting: jury or nonjury. If you request a jury, the form’s notice states a $150 deposit must be paid to the court 5 days before trial (Code Civ. Proc., § 631).
How do I estimate the length of trial (days vs. hours)?
If you expect the trial to take one or more full days, check “days” and write the number of days. If you expect it to take less than one day, check “hours” and write the estimated number of hours.
Where do I list dates I’m not available for trial?
Use the “Trial date” section to list specific dates and the reasons you are unavailable. Be as specific as possible so the court can avoid setting trial on those dates.
What is an “unlawful detainer assistant,” and do I have to fill out that section?
An unlawful detainer assistant is a registered service provider who may help for compensation (Bus. & Prof. Code, §§ 6400–6415). You must complete this section in all cases by checking whether you did or did not receive paid assistance, and if you did, you must fill in the assistant’s details (name, address, registration info, and expiration).
What is the Proof of Service by Mail on page 2, and who completes it?
It is the declaration showing UD-150 was mailed to all required recipients. The person who mailed the form (over 18 and not a party) completes and signs it, including the mailing date, city/state, and the names/addresses of everyone served.
What if I need to serve more people than the spaces provided on the Proof of Service page?
You can continue the list on a separate attachment or use form MC-025 (Attachment to Proof of Service by Mail). Indicate on the form that the list is continued on an attachment.
Can AI help me fill out UD-150, and how would I do it online with Instafill.ai?
Yes—AI tools can help reduce errors and save time by auto-filling fields from your case details; services like Instafill.ai can do this accurately. Typically, you upload the UD-150 PDF to Instafill.ai, answer a guided set of questions (case number, parties, trial type, estimates, service details), and the system fills the form for you to review, download, and file/serve.
What if my UD-150 PDF is not fillable (a flat PDF)?
If the PDF isn’t fillable, you can still complete it by printing and handwriting or using a tool that converts it. Instafill.ai can convert flat, non-fillable PDFs into interactive fillable forms so you can type directly into the fields before printing or e-filing.
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Other forms like this one

Judicial Council forms: Judicial Council of California Form FL-300, Request for Order, Judicial Council of California Form FL-150, Income and Expense Declaration, Judicial Council of California Form SC-104, Proof of Service (Small Claims), Judicial Council of California Form SC-105, Request for Court Order and Answer (Small Claims), Judicial Council of California Form DE-111, Petition for Probate (Probate—Decedents Estates), Judicial Council of California Form SC-104, Proof of Service (Small Claims), Judicial Council of California Form SC-108, Request to Correct or Cancel Judgment and Answer (Small Claims), Judicial Council of California Form SC-120, Defendant’s Claim and ORDER to Go to Small Claims Court (Small Claims), Civil Case Cover Sheet (Judicial Council of California Form CM-010), Civil Case Cover Sheet (Judicial Council of California Form CM-010), Judicial Council of California Form TR-205, Request for Trial by Written Declaration (Trial by Written Declaration—Traffic), Judicial Council of California Form DE-120, Notice of Hearing—Decedent's Estate or Trust, Inventory and Appraisal Attachment (Judicial Council of California Form DE-161, GC-041), CLETS-001, Confidential Information for Law Enforcement (Judicial Council of California), Judicial Council of California Form SER-001, Request for Sheriff to Serve Court Papers, Judicial Council of California Form UD-105, Answer—Unlawful Detainer, CLETS-001, Confidential Information for Law Enforcement (Judicial Council of California), Judicial Council of California Form ADOPT-210, Adoption Agreement, Judicial Council of California Form DE-120, Notice of Hearing—Decedent's Estate or Trust, Inventory and Appraisal (Judicial Council of California) (Form DE-160/GC-040)

California judicial forms: Judicial Council of California Form FL-300, Request for Order, Judicial Council of California Form FL-150, Income and Expense Declaration, Judicial Council of California Form SC-104, Proof of Service (Small Claims), Judicial Council of California Form SC-105, Request for Court Order and Answer (Small Claims), Judicial Council of California Form DE-111, Petition for Probate (Probate—Decedents Estates), Judicial Council of California Form SC-104, Proof of Service (Small Claims), Judicial Council of California Form SC-108, Request to Correct or Cancel Judgment and Answer (Small Claims), Judicial Council of California Form SC-120, Defendant’s Claim and ORDER to Go to Small Claims Court (Small Claims), Civil Case Cover Sheet (Judicial Council of California Form CM-010), Civil Case Cover Sheet (Judicial Council of California Form CM-010), Judicial Council of California Form TR-205, Request for Trial by Written Declaration (Trial by Written Declaration—Traffic), Judicial Council of California Form DE-120, Notice of Hearing—Decedent's Estate or Trust, Inventory and Appraisal Attachment (Judicial Council of California Form DE-161, GC-041), CLETS-001, Confidential Information for Law Enforcement (Judicial Council of California), Judicial Council of California Form SER-001, Request for Sheriff to Serve Court Papers, Judicial Council of California Form UD-105, Answer—Unlawful Detainer, CLETS-001, Confidential Information for Law Enforcement (Judicial Council of California), Judicial Council of California Form ADOPT-210, Adoption Agreement, Judicial Council of California Form DE-120, Notice of Hearing—Decedent's Estate or Trust, Inventory and Appraisal (Judicial Council of California) (Form DE-160/GC-040)

unlawful detainer forms: Judicial Council of California Form UD-150, Request/Counter-Request to Set Case for Trial—Unlawful Detainer, Form UD-100, Complaint—Unlawful Detainer, Judicial Council of California Form UD-105, Answer—Unlawful Detainer, Judicial Council of California Form UD-105, Answer—Unlawful Detainer, Judicial Council of California Form UD-100, Complaint—Unlawful Detainer, Form UD-105, Answer—Unlawful Detainer, Form UD-101, Plaintiff's Mandatory Cover Sheet and Supplemental Allegations—Unlawful Detainer, Form SUM-130, Summons - Unlawful Detainer - Eviction, Form DISC-003/UD-106, Form Interrogatories—Unlawful Detainer, Form UD-110, Judgment—Unlawful Detainer, Judicial Council of California, Form UD-110P, Judgment—Unlawful Detainer Partial Eviction Attachment, Form UD-115, Stipulation for Entry of Judgment (Unlawful Detainer), Form UD-116, Declaration for Default Judgment by Court (Unlawful Detainer—Civ. Proc., § 585(d)), Form UD-120, Verification by Landlord Regarding Rental Assistance—Unlawful Detainer, UD-155, Eviction Case (Unlawful Detainer) Stipulation, Judicial Council of California Form UD-110H, Judgment—Unlawful Detainer Habitable Premises Attachment

ETA forms: ETA Form 9061, Work Opportunity Tax Credit Individual Characteristics Form (ICF), Form UD-100, Complaint—Unlawful Detainer, 2420 - Served by Publication/Posting Forcible Detainer - Notice by Posting (CCM 0086), Oregon Practitioner Credentialing Application (including Attachment A: Professional Liability Action Detail), Judicial Council of California Form UD-105, Answer—Unlawful Detainer, Murrieta Police Department Citizen Complaint Form (California Penal Code § 148.6 Advisory Statement), Judicial Council of California Form UD-150, Request/Counter-Request to Set Case for Trial—Unlawful Detainer, Judicial Council of California Form UD-105, Answer—Unlawful Detainer, Louisiana Secretary of State – Notice of Change of Registered Office and/or Change of Registered Agent (Domestic Limited Liability Company) (R.S. 12:1308) (Form SS983, Rev. 01/24), TIAA-CREF Funds IRA 60-Day Rollover Request (Retail Class Only), TIAA-CREF Funds IRA Distribution Form (Retail Class Only), TIAA-CREF Funds Beneficiary Designation Form (Retail Class Only), Vanguard Personal Investor – Unregulated Trust details – Account information update, Application Form: Individual Investor | Monthly Liquidity – Retail Hedge Fund, Application Form: Legal Entities | Retail Hedge Fund - Fundrock, Application Form: Individual Investor | Retail Hedge Fund, Fundrock Application Form: Legal Entities | Monthly Liquidity – Retail Hedge Fund, Form C8, Confidential contact details, Judicial Council of California Form UD-100, Complaint—Unlawful Detainer, GEN 1327, Policy Interpretation Request

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