2007-2008: Cosponsored a bill to increase the number of foreign workers (Stupak).
Rep. Costa cosponsored the Save Our Small and Seasonal Businesses Act of 2007 (HR 1843). The bill would exempt any alien who has been present in the United States as an H-2B nonimmigrant worker for any one of the previous three fiscal years and who is returning to work as an H-2B from counting against the 66,000-per-year cap on H-2B visas. This potentially triples the number of workers in a year and would make these provisions effective for five years. Rep. Bart Stupak (D-Mich.) was the main sponsor of this bill.

2007: Voted against an amendment to reduce the time period of a countrys temporary protected status. Rep. Costa voted against the Forbes amendment to HR 2638, which would prohibit funds pursuant to this bill from being used to extend the temporary protected status designation of a country. This amendment failed 123-298.

2007-2008: Cosponsoring AgJOBS, which grants amnesty to illegal aliens who work in the agricultural field (Berman).
Rep. Costa is a cosponsor of H.R. 371, which encourages more illegal immigration by rewarding certain illegal aliens who work in agriculture with amnesty. Rep. Howard Berman (D-Calif.) was the main sponsor of this bill.

2008: Voted for an amendment to prevent illegal aliens from receiving federal housing funds.
Rep. Costa voted in favor of an amendment to H.R. 5818, the Neighborhood Stabilization Act of 2008. This amendment would prevent illegal aliens from receiving Housing and Urban Development (HUD) funds pursuant to this act. The amendment passed by a vote of 391-33.

2008: Voted for an amendment to restrict funding to businesses that hire illegal aliens.
Rep. Costa voted in favor of an amendment to HR 5819 that would prohibit SBIR or STTR awards from going to a small business concern if an unlawful alien has an ownership interest in that concern or in a concern that has interest in the small business. The amendment also prohibits SBIR and STTR awards from going to businesses that have repeatedly hired, recruited, or referred unlawful aliens. The amendment passed by a vote of 406-0, with 3 present.

2007-2008: Voted for an amendment to prohibit Social Security funds from being used to administer benefits accrued from work performed in Mexico.
Rep. Costa voted for the Gingrey amendment to HR 3043, an amendment to prohibit the use of funds by the SSA to administer Social Security benefit payments, under any agreement between the United States and Mexico establishing totalization arrangements between the two countries. The amendment passed 254-168.

2007-2008: Voted to allow illegal aliens to vote in union elections.
Rep. Costa voted against a Motion to Recommit H.R. 800, the Employee Free Choice Act of 2007. The Motion to Recommit would have recommitted H.R. 800 to the Committee on Education and Labor with instructions to report the bill back to the House with an amendment that would require that all employees allowed to vote in union elections be citizens or legal residents of the United States. Although some Representatives voted against the Motion to Recommit because it would have delayed final passage of the bill, a vote in favor of the Motion to Recommit was clearly a vote in favor of interior enforcement and against allowing illegal aliens to vote in union elections. The Motion to Recommit failed by a vote of 202-225.

2007-2008: Cosponsored a bill to reward illegal aliens with amnesty (Berman).
Rep. Costa is a cosponsor of H.R. 371 to reward illegal immigration by protecting illegal aliens granted temporary resident status from prosecution for Social Security fraud. Rep. Howard Berman (D-Calif.) was the main sponsor of this bill.

2008: Has not Signed Discharge Petition to move H.R. 4088, a bill to increase border security Rep. Costa has not signed the Discharge Petition on H.R. 4088, the SAVE Act, to increase border security. If the petition collects 218 signatures, a simple majority, the bill can bypass the committee process and be placed on the House floor for a vote.

2007-2008: Voted against an amendment to increase funding for the construction of a border fence.
Rep. Costa voted against the Brown-Waite amendment to HR 2638. This amendment re-directs $89 million set to be appropriated to the Undersecretary for Managements account to the Border Security Fencing, Infrastructure, and Technology Account, with a view towards constructing at least 700 miles of fencing along the southern border. The amendment was adopted 241-179.

2008: Voted for a bill that continues employment verification.
Rep. Costa voted in favor of H.R. 6633, a bill to reauthorize the E-Verify program for a period of 5 years. The E-Verify program allows businesses to determine the legal status of new hires and prevents illegal aliens from being hired, thus making the program an important tool in the Attrition through Enforcement anti-illegal immigration strategy. The bill passed by a vote of 407-2.

2008: Voted against punishing sanctuary cities.
Rep. Costa voted against a motion to H.R. 5719, the Taxpayer Assistance and Simplification Act. This motion would have recommitted H.R. 5719 with instructions to add language to deny tax exempt interest with respect to bonds of sanctuary states and cities, thereby putting pressure on cities that do not enforce immigration laws and cities who do not cooperate with federal authorities on immigration matters. This motion failed by a vote of 210-210.

2008: Has Not Signed Discharge Petition to move H.R. 4088, a bill to increase interior enforcement Rep. Costa has not signed the Discharge Petition on H.R. 4088, the SAVE Act, to require use of the electronic employment eligibility verification system, E-Verify. If the petition collects 218 signatures, a simple majority, the bill can bypass the committee process and be placed on the House floor for a vote.

2007-2008: Voted on House floor for amendment to fully fund the training of immigration enforcement officers.
Rep. Costa voted in favor of the Drake Amendment to H.R. 2638, the appropriations bill for the Department of Homeland Security. The Drake Amendment would fully fund the presidents budget request ($26.4 million) for the training and support for the voluntary participation of local law enforcement officers in immigration law enforcement. This amendment passed 286-127.

2007: Voted in favor of sanctuary cities for illegal aliens Rep. Costa voted against an amendment (H. Amdt. 294) to H.R. 2638 offered by Rep. Tom Tancredo (R-CO). The Tancredo amendment would prohibit funds from the Department of Homeland Security Appropriations bill from being distributed to states and localities that have sanctuary policies in place that prohibit or inhibit communications between Federal and state/local authorities. The Tancredo Amendment passed by a vote of 234 to 189.

2007-2008: Voted against an amendment to reduce funding for the visa waiver program.
Rep. Costa voted against the first Tancredo amendment to H.R. 2638, which would prohibit funding from H.R. 2638 from being used to fund the visa waiver program. This amendment failed 76-347.