INTRODUCTION: Social determinants of health (SDOH) have been linked to poor health outcomes in maternal and infant populations. An epicenter of the maternal health crisis in New York City, Central Brooklyn has a disproportionately high population of immigrants. This cross-sectional survey assesses demographic distributions and SDOH needs of immigrant and U.S.-born pregnant individuals in Central Brooklyn. METHODS: The American Academy of Family Practitioners (AAFP) SDOH screening tool was given to 700 pregnant persons with immigrant status defined by country of origin. Institutional review board-approved data were collected through REDCap, and associations were evaluated via χ2, Fisher's exact tests, and logistic regression in STATA. RESULTS: Compared to U.S.-born pregnant persons, immigrants tended to be older (P=.000), married (P<.000), and more educated (P=.028). Social determinants of health needs differed significantly by nativity status for housing instability (P=.039), food worry (P=.000), and food inadequacy (P=.018), all of which were higher for immigrants. After adjusting for age and education level, immigrant pregnant persons were significantly more likely to report five or more SDOH needs. Rates of food insecurity (39.86% among immigrants and 27.02% among U.S.-born) were much higher than the national average of 10.2%. Rates of all other SDOH needs were higher for immigrants, except for transportation, but these differences were insignificant. CONCLUSION: Our study underscores the criticality of monitoring SDOH needs in marginalized populations to inform targeted interventions aimed at dismantling systemic barriers to health care access during pregnancy. By doing so, we can foster greater engagement in care and promote more equitable health outcomes for pregnant and postpartum individuals.