Austin Immigration Attorney

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Law Office of William Jang, PLLC
314 E Highland Mall Blvd #406
AustinTX  78752
(512) 323-2333

FB1 – Family Based Immigration for Unmarried Sons and Daughters of US Citizens

Basic Requirements:

The first family-sponsored preference is set aside for unmarried sons and daughters of U.S. Citizens, who are 21 years old or older.   The term “unmarried” includes individuals who were never married and divorced and widowed individuals.  The U.S. Citizen Parent may petition their unmarried adult sons and daughter for green cards under this preference category.  The sons and daughters do not qualify as immediate family members of U.S. Citizens because they are no longer children (under the age of 21).  This preference category is assigned 23,400 annual visas, plus any visas not used by the fourth preference category.  Unfortunately due to this limit, there is a waiting list for this preference category.  The waiting time fluctuates.  Unmarried sons and daughters of U.S. Citizens from most countries should expect to wait about seven years after filing the first petition.   Individuals from Mexico, Dominican Republic, Philippines, China and India may have to wait even longer.

Family Members:

Spouse and children (under 21 and not married) of the unmarried son or daughter of U.S. Citizen are eligible to obtain derivative permanent resident status (green card) when the son or daughter obtains their green card.  They are allowed to accompany the son or daughter and remain in the United States.

Application Process:

The application process for this preference category is done to two steps.  First Step involves the U.S. Citizen parent petitioning the unmarried son or daughter.  The term “unmarried” includes individuals who were never married and individuals who are no longer married (divorced or widowed).  When this petition is filed, the US CIS will issue a priority date.   Once the priority date is reached, signaling that a visa is available for this category, the son or daughter (and their immediate family) may go through the second step.  If the son or daughter is legally in the United States, they may adjust their status.   If the son or daughter is outside of the United States, they would apply through consular processing.


The following is the attorney’s fee that the Law Office of William Jang, PLLC charges for a typical case of this type when filed in the United States at the US Citizenship and Immigration Services (US CIS) (please read the disclaimer on this page) and the filing fee currently charged by US Citizenship and Immigration Service (US CIS):

[Step 1]

  • $   750.00 attorney’s fees for the immigration petition.
  • $   420.00 US CIS filing fee for the immigration petition.

[Step 2]*

  • $1,500.00 attorney’s fees per immediate family for adjustment of status.
  • $1,070.00 per each person ($635.00 for each person under 14 years of age if applying with parent)

* The price quoted above is for Adjustment of Status for individuals already in the United States   If the applicant is outside of United States different fees will be applicable.


The Law Office of William Jang, PLLC has extensive experience representing family members of U.S. Citizens and U.S. Permanent Residents obtain green cards.  Please see a sample of approved cases.

What do we need to get started?

Information and Documents needed for FB1 – Unmarried Son or Daughter of US Citizen

Sample Retainer Agreement

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Law Office of William Jang, PLLC | One Highland Center | 314 E Highland Mall Blvd #406 | Austin, TX 78752 | (512) 323-2333 |
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