✅ No, we couldn't find enough information regarding Oxford Realty unveiling plans for a 30-acre development next to the upcoming Altru Sports Complex on authoritative news outlets. However, here's what we found:

1. KNOX Radio reports on various developments in Grand Forks, including a realty company planning development, but it does not specify Oxford Realty or a 30-acre development next to the Altru Sports Complex: https://knoxradio.com/2025/06/05/reality-company-plans-development-in-grand-forks/ (Trust Score: 6/10)

2. Grand Forks Park District and City of Grand Forks are working on the Altru Indoor Sports and Aquatic Complex, but there is no mention of Oxford Realty or a specific 30-acre development: https://www.gfparks.org/feasibility-study/ (Trust Score: 7/10)

3. City of Grand Forks provides a timeline for the Altru Sports Complex development, but it does not include any information about Oxford Realty or a 30-acre development: https://www.grandforksgov.com/government/city-departments/finance-and-administrative-services/altru-indoor-sports-aquatics-complex (Trust Score: 8/10)

Therefore, the given information may be partially or fully inaccurate.