For most immigrants in California, family is the most common path to a green card. U.S. citizens and lawful permanent residents can petition for certain relatives to immigrate, and many Californians sponsor a spouse, a child, a parent, or a sibling this way. The process can be straightforward for some families and a years-long wait for others, depending on the relationship and the category. This guide explains, in plain English, how family-based green cards work: who qualifies, how the petition and waiting line operate, the difference between applying inside the United States and abroad, and the financial sponsorship every petitioner must provide.

This guide provides general information about federal immigration law and is not legal advice. Immigration is governed by federal law, the rules and fees change, and a mistake can delay or derail a case for years. For advice you can rely on, consult a qualified immigration attorney or a representative accredited by the U.S. Department of Justice. Many immigration attorneys are licensed by the State Bar of California, though immigration practice is federal.

Two tracks: immediate relatives and family preference

Family-based immigration divides into two broad tracks. Immediate relatives of U.S. citizens are the spouse, the unmarried child under 21, and the parent (if the petitioning citizen is 21 or older). This category has no annual numerical cap, which means there is no waiting line for a visa number — the case moves as fast as the paperwork and processing allow.

Everyone else falls into the capped family-preference categories, which do have waiting lines:

  • F1 — unmarried adult sons and daughters (21 or older) of U.S. citizens.
  • F2A — spouses and unmarried children (under 21) of lawful permanent residents.
  • F2B — unmarried adult sons and daughters (21 or older) of lawful permanent residents.
  • F3 — married sons and daughters of U.S. citizens.
  • F4 — brothers and sisters of adult U.S. citizens.

Because the preference categories are capped each year (and by country), waits can stretch from a few years to well over a decade for some categories and countries. Understanding which track you are in is the first and most important step, because it tells you whether there is a line to wait in at all.

Step one: the I-130 petition

Every family-based case begins when the U.S. citizen or permanent resident (the "petitioner") files Form I-130, Petition for Alien Relative, with USCIS to establish the qualifying family relationship. The petitioner must prove the relationship with documents such as marriage and birth certificates. Approval of the I-130 does not by itself grant a green card or any status; it simply confirms the relationship and, for preference categories, sets the applicant's place in line.

That place in line is marked by a priority date — generally the date USCIS received the I-130. For immediate relatives, the priority date matters little because there is no line. For preference categories, the priority date is everything: the applicant must wait until their priority date becomes "current" before they can take the final step toward a green card.

The Visa Bulletin and priority dates

The Department of State publishes a monthly Visa Bulletin that shows how far the line has moved in each preference category and for each country of birth. When the date listed in the bulletin reaches or passes an applicant's priority date, a visa number is available and the case can move forward. Because demand exceeds the annual supply in many categories — especially for applicants from countries with very high demand — the bulletin can advance slowly, stall, or even move backward ("retrogress") from month to month. Families in preference categories should check the Visa Bulletin regularly and plan around it. The bulletin does not affect immediate relatives, who have no numerical limit.

Gathering the right documents

Strong documentation is the foundation of a successful family case. To prove the qualifying relationship, you generally need official civil records — a marriage certificate for a spouse, birth certificates showing the parent-child link, and, where relevant, divorce decrees or death certificates that show prior marriages were properly ended. For a marriage-based case, USCIS also looks for evidence that the relationship is genuine, such as joint financial accounts, a shared lease or mortgage, insurance listing both spouses, photographs together over time, and correspondence. Documents in a foreign language usually must be accompanied by a certified English translation. Because missing or inconsistent documents are a leading cause of delays and requests for additional evidence, it is worth assembling a complete, well-organized package before filing rather than scrambling later. An attorney or accredited representative can tell you exactly which records your particular case requires and how to present them persuasively.

Two ways to get the green card: adjustment vs. consular processing

Once a visa number is available (or immediately, for immediate relatives), the intending immigrant takes the final step in one of two ways, depending on where they are and their eligibility.

Adjustment of status (Form I-485) is for someone who is already physically present in the United States and eligible to adjust. They file Form I-485 with USCIS, attend a biometrics appointment and usually an interview, and — if approved — receive the green card without leaving the country. Whether a person is eligible to adjust depends heavily on how they entered the United States and their immigration history, which is one of the most fact-sensitive questions in this area.

Consular processing is for someone who is outside the United States (or who is not eligible to adjust inside the country). After the I-130 is approved, the case goes to the National Visa Center and then to a U.S. consulate abroad, where the applicant attends an immigrant-visa interview. If approved, they enter the United States as a permanent resident. Choosing between adjustment and consular processing — and understanding the risks of leaving the country — is a decision best made with an attorney, because traveling at the wrong time can trigger bars to returning.

Conditional residence for newer marriages

If you obtain your green card through marriage and the marriage is less than two years old at the time you become a permanent resident, you generally receive a conditional green card valid for two years rather than a full ten-year card. Before that two-year period ends, you and your spouse must jointly file Form I-751 to remove the conditions and prove that the marriage was entered in good faith — not solely to obtain immigration benefits. If the marriage has since ended in divorce, or if there was abuse, a waiver may allow you to file without your spouse. Missing the I-751 filing window can put your status at risk, so couples with conditional residence should calendar the deadline carefully. The purpose of this two-step process is to confirm that the marriage is genuine, which is why keeping evidence of a shared life together — joint accounts, leases, photos, and the like — is important from the start.

The affidavit of support (Form I-864)

Family-based immigrants must show they will not become a "public charge." The petitioner (and sometimes a joint sponsor) demonstrates this by signing Form I-864, Affidavit of Support — a legally enforceable contract promising to financially support the immigrant, generally at or above 125% of the federal poverty guidelines for the household size. The obligation lasts until the immigrant becomes a U.S. citizen, has worked 40 qualifying quarters, leaves the country permanently, or dies. If the sponsor's income is too low, a qualifying joint sponsor can help meet the requirement. This is a serious, binding commitment, so sponsors should understand it fully before signing.

Key laws, forms, and fees

Family-based immigration is governed by the federal Immigration and Nationality Act (INA) and administered by USCIS and the Department of State. The core forms are:

  • Form I-130 — Petition for Alien Relative (establishes the relationship). Recent fee around $675.
  • Form I-485 — Application to Register Permanent Residence or Adjust Status (for applicants in the U.S.). Recent fee around $1,440 for applicants 14 and older, with a small discount for online filing; biometrics are included.
  • Form I-864 — Affidavit of Support (no filing fee).
  • Form DS-260 — the immigrant visa application used in consular processing.

Fees and form editions change, so always verify the current amount and the correct edition on the USCIS website before filing. Filing the wrong fee or an outdated form can lead to rejection and lost time.

What "current" means and how the line moves

For families in the preference categories, the most confusing part is understanding when they can actually take the final step. Each month the Visa Bulletin publishes two charts — one for "final action dates" (when a green card can actually be issued) and one for "dates for filing" (when USCIS may allow the adjustment application to be submitted early). Your priority date becomes current when the relevant chart date reaches or passes it. Because demand is uneven across countries, the same category can be current for one country and backlogged for another. The line can also move backward, which is called retrogression — an unwelcome surprise that happens when more people apply than there are visa numbers for the year. The practical takeaway is to check the bulletin every month once you are waiting, and to have your documents ready so you can act quickly when your date becomes current.

Special situations that change the analysis

Several common circumstances complicate a family case and deserve special attention. A child who turns 21 (or marries) during the wait can "age out" of a category, though the Child Status Protection Act may help preserve eligibility in some cases. If the petitioner is a permanent resident who later naturalizes, a beneficiary may move into a faster category. If the petitioner dies, certain beneficiaries may still be able to continue the case. And how the immigrant originally entered the United States — with inspection or without — can determine whether they may adjust status inside the country at all, or whether a waiver and consular processing are required. Each of these situations carries technical rules and real risk, which is why families with any of these wrinkles benefit most from professional guidance before filing.

Step-by-step: a typical family-based case

  1. Confirm the relationship and category. Determine whether the relative is an immediate relative or in a preference category (F1–F4).
  2. File Form I-130. The U.S. citizen or permanent resident petitions for the relative and submits proof of the relationship.
  3. Note the priority date. For preference categories, track the priority date against the monthly Visa Bulletin.
  4. Wait for a visa number (preference cases only). Immediate relatives skip the wait.
  5. Choose the path. File Form I-485 to adjust status inside the U.S., or proceed through consular processing abroad.
  6. Provide financial sponsorship. Submit Form I-864, with a joint sponsor if needed.
  7. Complete biometrics and the interview. Attend the appointment(s); answer truthfully.
  8. Receive the decision. If approved, the immigrant becomes a lawful permanent resident and receives the green card.

Keeping your green card and planning ahead

Obtaining a green card is not the end of the story. A permanent resident must take care to maintain their status: long absences from the United States can raise questions about whether you have abandoned residence, and certain criminal issues can put even a permanent resident at risk of removal. Keep your green card valid and renew it before it expires using Form I-90, file U.S. tax returns as a resident, and avoid extended trips abroad without planning. Many family-based immigrants also look ahead to naturalization — becoming a U.S. citizen after the required years as a permanent resident — which provides the strongest protection and the ability to petition for more relatives. Thinking of the green card as the first step in a longer journey, rather than the destination, helps families protect what they have worked to achieve.

Frequently asked questions

How long does a family-based green card take?

It depends entirely on the category. Immediate relatives of U.S. citizens have no waiting line and are often limited only by processing times. Preference categories can take years — sometimes well over a decade for the most backlogged categories and countries — because annual visa numbers are capped. Check the Visa Bulletin for your category and country.

Can I get a work permit while I wait?

If you are adjusting status inside the United States, you can generally apply for an Employment Authorization Document (Form I-765) along with your I-485. Applicants waiting abroad through consular processing do not receive U.S. work authorization until they immigrate. Rules vary, so confirm your eligibility with an attorney.

What if my income is too low to sponsor my relative?

You may use a qualifying joint sponsor who meets the income requirement and signs their own Affidavit of Support. Certain assets can also be counted. Because the calculation depends on household size and income type, it is worth reviewing the requirement carefully before filing.

Is it safer to adjust status or to do consular processing?

It depends on your specific situation, especially how you entered the United States and your immigration history. For some people, leaving the country for consular processing can trigger bars to returning. This is one of the most consequential decisions in a family case — do not decide without advice from an immigration attorney.

Does marrying a U.S. citizen guarantee a green card?

No. A genuine marriage to a U.S. citizen creates eligibility, but USCIS still examines whether the marriage is bona fide and whether the applicant is otherwise admissible. Misrepresenting a marriage is a serious offense. A real marriage with proper documentation is the path; a lawyer can help present it correctly.

Get help with your family-based case

Family petitions involve strict rules about categories, priority dates, where you apply, and financial sponsorship — and a misstep can cost years. For the bigger picture, see the immigration hero guide, and if you are also considering becoming a citizen later, read our guide to citizenship and naturalization in California. To find help, our directory lists attorneys licensed by the State Bar of California across all 58 counties — free to search, with no obligation. If cost is a concern, ask whether you qualify for California's free, state-funded immigration legal services.