U.S. Citizenship

California Naturalization & U.S. Citizenship Attorneys

Considering U.S. citizenship? Here is what to know.

• Yaghmai Law Firm represents lawful permanent residents worldwide who want to become U.S. citizens through naturalization, from our Los Angeles office.
• We handle Form N-400 applications under the 5-year general rule, the 3-year spouse-of-U.S.-citizen rule, military naturalization, and Child Citizenship Act matters for children of U.S. citizens.
• Eligibility framework: continuous residence + physical presence + good moral character + English + civics + attachment to the Constitution, with strict statutory standards under INA Section 316 (8 U.S.C. 1427) and INA Section 319(a) (8 U.S.C. 1430(a)).
• Strategy sessions are available remotely worldwide. Multilingual representation in English, French, and Persian (Farsi); Spanish via interpreter.
• Schedule a strategy session or send us your case details.

Becoming a U.S. citizen through naturalization is one of the most significant decisions a lawful permanent resident will make. The process is governed by the Immigration and Nationality Act (INA), Title 8 of the Code of Federal Regulations, and USCIS Policy Manual Volume 12 – and the eligibility standards are stricter than many applicants realize.

Yaghmai Law Firm represents naturalization applicants from across California and around the world. We file Form N-400 petitions, prepare clients for the citizenship interview and the English and civics tests, address good-moral-character concerns, and respond to USCIS requests for evidence or denial recommendations. Where a green-card prerequisite is at issue, we also handle the underlying adjustment-of-status or consular-processing work to position the client for naturalization once eligibility ripens.

On this page: who qualifies under each statutory pathway, how the firm engages clients on a fee-forward basis, the detailed eligibility requirements, the step-by-step N-400 process, common pitfalls that trigger denials, timing and filing costs, and the federal statutes and USCIS policy that govern every case.

Who Qualifies for Naturalization

U.S. naturalization is a statutory process – not a discretionary one. An applicant who meets every requirement is entitled to be naturalized; an applicant who fails any one element is not. The firm handles the four principal pathways:

• General naturalization (INA Section 316; 8 U.S.C. 1427): The default 5-year path for lawful permanent residents. The applicant must have been an LPR for at least 5 years, maintained continuous residence and physical presence for at least half of that period, possess good moral character, demonstrate English and civics knowledge, and be attached to the principles of the Constitution.
• Spouse of a U.S. citizen (INA Section 319(a); 8 U.S.C. 1430(a)): A 3-year path for an LPR whose spouse has been a U.S. citizen for the entire 3-year period, with the parties living in marital union throughout. The physical-presence threshold is 18 months. Every other requirement (good moral character, English, civics, oath) still applies.
• Military naturalization (INA Sections 328 and 329; 8 U.S.C. 1439 and 1440): Section 328 reduces residence and physical-presence requirements after one year of honorable peacetime service. Section 329 provides further reduced requirements for service during designated periods of military hostilities, and can be available without a prior LPR period in some cases.
• Child Citizenship Act of 2000 (INA Sections 320 and 322; 8 U.S.C. 1431 and 1433): Section 320 confers automatic U.S. citizenship on a child residing in the U.S. as an LPR in the legal and physical custody of a U.S. citizen parent. Section 322 provides a separate application path for U.S. citizen parents whose qualifying child resides abroad.

Each pathway has its own statutory bars, evidentiary expectations, and USCIS adjudication framework. The firm evaluates eligibility before filing – not after.

Fee-Forward Engagement Model

Immigration is a planning practice. Naturalization is no different: the firm engages clients on a flat fee, specified in a written engagement letter at the outset. We do not take immigration matters on contingency, and we use hourly billing only in extraordinary circumstances or for specific matters that fit hourly better than flat fee. Client funds are held in IOLTA in accordance with California Rules of Professional Conduct, and unearned amounts are refundable. This structure aligns expectations and lets us spend the time required to develop continuous-residence documentation, good-moral-character evidence, and interview preparation.

Eligibility Requirements in Detail

Under INA Section 316, every general-pathway naturalization applicant must satisfy six core requirements:

• Lawful permanent residence: 5 years as an LPR (3 under Section 319(a)) immediately preceding the N-400 filing.
• Continuous residence: No absence breaking the continuity of U.S. residence. Per 8 U.S.C. 1427(b), an absence of more than 6 months but less than 1 year is presumptively a break in continuity (rebuttable by evidence that the applicant did not abandon U.S. residence). An absence of 1 year or more is a statutory break in continuity (with narrow exceptions for certain employment-related absences).
• Physical presence: At least half the statutory residence period (30 months for general; 18 months for the 3-year spouse rule) in the U.S.
• Good moral character (GMC): Required during the statutory period (and USCIS may consider conduct before that period as well). Convictions for aggravated felonies are a permanent bar; convictions for crimes involving moral turpitude, unlawful acts during the statutory period, false testimony, and certain other categories raise GMC issues. See USCIS Policy Manual Volume 12, Part F.
• English language ability: Read, write, and speak basic English, with statutory exemptions for older long-term LPRs and certain medical conditions (Form N-648).
• Civics and U.S. government knowledge: Pass the civics test. The standard 2008 civics test of 100 possible questions remains in use; USCIS occasionally proposes revisions, so applicants should verify the current test version with their N-400 receipt notice.

Applicants must also be willing to take the Oath of Allegiance, attached to the principles of the Constitution, and “well disposed to the good order and happiness of the United States.” 8 U.S.C. 1427(a).

The N-400 Process Step-by-Step

For most applicants, the process unfolds in four stages:

• Step 1 – File Form N-400. Submit the application (paper or online) with supporting documents: copy of the LPR card, any marriage and divorce records (relevant under Section 319(a)), evidence of any criminal history, tax-filing records, and selective-service registration documentation (for male applicants who were LPRs between ages 18 and 26).
• Step 2 – Biometrics appointment. USCIS schedules fingerprinting for FBI background screening. Many applicants are now exempt from re-fingerprinting and can have biometrics reused from prior filings.
• Step 3 – Naturalization interview and tests. A USCIS officer reviews the N-400, asks questions about residence, travel, taxes, and moral character, and administers the English (reading, writing, speaking) and civics tests. Most interviews are now combined with the test in a single appointment.
• Step 4 – Oath of Allegiance. Once approved, the applicant takes the Oath of Allegiance at a naturalization ceremony – either administratively before USCIS or judicially before a federal court. Citizenship is conferred at the moment the oath is taken.

If USCIS denies the application, the applicant may request a hearing before a different officer using Form N-336 (filed within 30 days), and may seek de novo judicial review of an adverse decision under INA Section 310(c).

Common Pitfalls

Most naturalization denials are avoidable. The firm watches for:

• Continuous-residence breaks: Long absences from the U.S. – especially trips exceeding 6 months and any trip of 1 year or more – regularly trigger USCIS scrutiny under 8 U.S.C. 1427(b). Working abroad, maintaining a residence overseas, or filing non-resident U.S. tax returns can also be cited as evidence of abandonment.
• Selective Service registration: Male LPRs who lived in the U.S. between ages 18 and 26 must have registered with the Selective Service System. A knowing or willful failure to register is a GMC issue and is a recurring reason for denial of N-400s filed under the 5-year rule.
• Tax issues: Unfiled returns, unreported foreign income, or claimed non-resident status on U.S. tax returns can each undercut good moral character and even the underlying LPR status.
• Criminal history: Aggravated felonies (INA Section 101(a)(43)) permanently bar a finding of GMC and trigger removal. Crimes involving moral turpitude, drug offenses (other than a single small-quantity marijuana possession), and other categories can bar GMC during the statutory period or result in referral to ICE.
• False claim to U.S. citizenship: A false claim of U.S. citizenship – on a Form I-9, in a benefit application, or to vote in a federal election – is generally a permanent bar to naturalization and to most immigration benefits under INA Section 212(a)(6)(C)(ii).
• Failure to support dependents or pay court-ordered obligations: Willful failure to pay child support is a per-se GMC bar under 8 CFR 316.10.

The firm screens for these issues during the initial strategy session – before a fee is committed.

Timeline, Interview, and Filing Costs

USCIS processing times for Form N-400 vary by field office and case complexity. As of the most recent USCIS posting, many field offices complete adjudication within roughly 6 to 12 months from filing to oath ceremony, but local timelines can run longer. Verify current processing times at the USCIS Check Case Processing Times tool before filing.

Filing fees per the current USCIS Form G-1055 fee schedule: $760 if filed by paper, or $710 if filed online for most applicants. A reduced fee of $380 is available for applicants whose household income is at or below 400 percent of the Federal Poverty Guidelines (paper filing only). Military applicants meeting the requirements of INA Sections 328 or 329 pay a reduced $380 fee. Form I-912 fee waivers are available for applicants at or below 150 percent of the Federal Poverty Guidelines and certain public-benefit recipients. Always re-verify fees on G-1055 the week of filing – USCIS updates the schedule periodically.

The interview combines biographical review, GMC inquiry, and the English and civics tests. Applicants must reply audibly, in English (subject to statutory exemptions), and may be re-tested once if the initial attempt is unsuccessful. Failure on the second attempt results in N-400 denial.

Federal Law and USCIS Policy

Every naturalization case is built on this regulatory stack:

• INA Section 316 (8 U.S.C. 1427) – general requirements: 5-year LPR period, continuous residence, physical presence, good moral character, attachment to Constitution.
• INA Section 319(a) (8 U.S.C. 1430(a)) – 3-year rule for spouses of U.S. citizens, with 18 months physical presence and continuous marital union with a U.S. citizen spouse throughout the statutory period.
• INA Section 328 (8 U.S.C. 1439) – peacetime military naturalization (one year of honorable service).
• INA Section 329 (8 U.S.C. 1440) – naturalization through active-duty service during designated periods of military hostilities.
• INA Section 320 (8 U.S.C. 1431) – automatic acquisition of citizenship by qualifying children of U.S. citizens under the Child Citizenship Act of 2000 (effective February 27, 2001).
• INA Section 322 (8 U.S.C. 1433) – separate application for U.S. citizen parents whose qualifying child resides outside the United States.
• 8 CFR Part 316 – general naturalization regulations, including continuous-residence, physical-presence, and GMC standards.
• 8 CFR Part 319 – regulations for spouses of U.S. citizens.
• 8 CFR Parts 320, 322, 328, 329 – regulations for children, peacetime military, and wartime military naturalization.
• USCIS Policy Manual Volume 12 – the authoritative current statement of USCIS naturalization adjudication policy. Key parts: Part D (General Naturalization Requirements), Part E (English and Civics Testing), Part F (Good Moral Character), Part G (Spouses of U.S. Citizens), Part H (Children of U.S. Citizens), Part I (Military Members and Their Families). Available at uscis.gov/policy-manual/volume-12.

The firm files the N-400 with explicit citations to the controlling statutes and Policy Manual chapters – and prepares the client to answer the officer’s questions inside the same framework.

Why Yaghmai Law Firm

Naturalization looks straightforward on paper. In practice, USCIS adjudicators read the file closely, and a single overlooked GMC issue or continuous-residence gap can cost an applicant the citizenship they have planned for over many years. The firm prepares N-400 cases the same way it prepares extraordinary-ability and complex immigration cases: with statutory precision, complete documentation, and direct interview preparation.

“Naturalization is the most important final step in a long immigration journey. We treat every N-400 as if it will be denied if any single requirement is not airtight – and then we make sure each one is. That is what gets clients to the oath ceremony.”

— Houtan Yaghmai, Esq., President & Managing Attorney

Houtan represents naturalization applicants from Los Angeles, throughout California, and around the world. Strategy sessions are conducted remotely – by video or phone – so clients abroad on consular travel, or LPRs in any U.S. state, can engage the firm directly. The firm offers multilingual representation in English, French, and Persian (Farsi); Spanish is available through a professional interpreter.

Frequently Asked Questions

How long must I be a lawful permanent resident before I can apply for naturalization?

Under the general rule (INA Section 316), you must have been an LPR for 5 years immediately before filing Form N-400. Under the spouse-of-a-U.S.-citizen rule (INA Section 319(a)), the period is 3 years, provided your spouse has been a U.S. citizen for the entire 3 years and you have lived in marital union throughout. Some military applicants under INA Sections 328 and 329 face shorter or no LPR-period requirements. Form N-400 may be filed up to 90 days before the LPR anniversary date.

What is “continuous residence” and how can a long trip outside the U.S. affect my naturalization case?

Continuous residence means maintaining your principal dwelling place in the United States during the statutory period. Per 8 U.S.C. 1427(b), an absence of more than 6 months but less than 1 year creates a rebuttable presumption that you broke continuous residence, and an absence of 1 year or more is a statutory break in continuity (with narrow exceptions for certain U.S. government, employment-based, and research-institution absences). Document long trips, retain ties to the U.S. (lease, employment, tax filings as a resident), and discuss timing with counsel before filing.

What is the “good moral character” requirement, and what disqualifies an applicant?

Good moral character (GMC) is required during the statutory period (5 years, or 3 years under Section 319(a)) and may be considered before that period as well. Per-se bars under 8 CFR 316.10 include aggravated-felony convictions, murder convictions, certain controlled-substance offenses (with a narrow exception for one small-marijuana-possession event), willful failure to support dependents, and giving false testimony to obtain an immigration benefit. Other conduct – crimes involving moral turpitude, multiple DUIs, tax issues – is evaluated on a discretionary basis. We screen for GMC issues before filing.

Do I have to take an English test and a civics test?

Yes. Naturalization applicants generally must demonstrate the ability to read, write, and speak basic English, and must pass a civics test on U.S. history and government. Limited statutory exemptions exist for older long-term LPRs (the “50/20,” “55/15,” and “65/20” rules) and for applicants with medically certified disabilities under Form N-648. The current civics test is the 2008 100-question test; verify the test version applicable to your application on your USCIS receipt notice.

What is the N-400 filing fee in 2026?

Per USCIS Form G-1055 (most recently updated May 2026), the standard N-400 filing fee is $760 if filed by paper and $710 if filed online. A reduced $380 fee is available for paper filers with household income at or below 400 percent of the Federal Poverty Guidelines. Military applicants under INA Sections 328 and 329 pay $380. Form I-912 fee waivers are available for applicants at or below 150 percent of the FPG and certain public-benefit recipients. Always re-verify the schedule at uscis.gov/g-1055 the week you file.

What happens at the naturalization interview?

At the interview, a USCIS officer reviews your Form N-400 under oath, asks follow-up questions about your residence, travel, taxes, and any criminal history, and administers the English (speaking, reading, and writing) and civics tests. Most interviews and tests are now combined into a single appointment. If you fail any test component, USCIS will reschedule one re-test; a second failure results in denial of the application.

I was denied. Can I appeal?

Yes. You may request a hearing before a different USCIS officer using Form N-336 within 30 days of the denial notice. If the N-336 hearing is also unfavorable, you may seek de novo judicial review of the denial in federal district court under INA Section 310(c), 8 U.S.C. 1421(c). Each step has strict deadlines; discuss them with counsel as soon as you receive a denial.

Can a child of a U.S. citizen become a citizen without filing N-400?

Often, yes. Under the Child Citizenship Act of 2000 (INA Section 320; 8 U.S.C. 1431), a child residing in the United States as a lawful permanent resident in the legal and physical custody of a U.S. citizen parent automatically becomes a U.S. citizen when all CCA conditions are met before the child turns 18. The child does not file Form N-400; instead, the parent typically files Form N-600 (Application for Certificate of Citizenship) to document the acquired status. INA Section 322 (8 U.S.C. 1433) provides a separate application process for qualifying children residing abroad.

Related Pages

These pages cover related topics that frequently come up alongside naturalization matters:

• Immigration practice overview
• Marriage green cards (path to the 3-year naturalization rule)
• Family-based green cards
• Adjustment of status (the LPR prerequisite)
• Immigration FAQs
• Contact our immigration team

Reviewed by Houtan Yaghmai, Esq., President & Managing Attorney. Admitted to practice law in California (State Bar No. 298487). He represents immigration and personal injury clients statewide and worldwide.

Last updated: May 19, 2026.