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Size: 10 Acres
Home: 3 beds - 3 full baths - 1 half bath - 2,962 Sq Ft

518 S Portland Avenue

Designed as a private Oasis, 518 South Portland Avenue in Newcastle is a rare convergence of luxurious engineering, artistic expression, and enduring craftsmanship, custom built in 2013 and surrounded by 10 acres of secluded Oklahoma landscape, just minutes from modern conveniences.

Accessed by a private road shared by only four residences, the approach immediately signals intention and permanence. This is not a property that announces itself loudly it reveals itself gradually, rewarding those who value privacy, restraint, and thoughtful design. Though discreetly positioned behind an existing development, the setting feels entirely removed, offering a sense of separation that is increasingly rare.

Constructed using ICF (Insulated Concrete Form) technology, the home reflects a deliberate commitment to performance and longevity. This method provides superior energy efficiency, strength, and ...

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Source:First Street
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Source: Homes, MLS# 1208678
Listing last updated: February 18, 2026 at 9:02 AM
Listing last checked: February 18, 2026 at 6:01 AM
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