Onion Flats Architecture is a Philadelphia, Pennsylvania-based architecture firm specializing in innovative and sustainable design solutions. Located in the heart of the city, this firm serves a diverse clientele seeking thoughtful architectural services that blend functionality with aesthetic appeal. With a focus on residential, commercial, and mixed-use projects, Onion Flats Architecture is known for its collaborative approach and attention to detail.
The firm’s team of architects and designers work closely with clients to develop tailored plans that address specific needs and site conditions. Emphasizing sustainability, the firm integrates energy-efficient practices and environmentally responsible materials into their projects. This commitment to green design not only helps reduce environmental impact but also contributes to long-term cost savings and improved building performance.
Onion Flats Architecture’s office at 126 Market Street serves as a hub for creative problem-solving and client engagement. Their process involves thorough consultation, careful planning, and transparent communication to ensure each project progresses smoothly from concept to completion. The firm’s reputation in Philadelphia is built on delivering reliable results while maintaining open dialogue with all stakeholders.
By combining technical expertise with a strong design philosophy, Onion Flats Architecture continues to contribute to Philadelphia’s architectural landscape. Their work reflects an understanding of the city’s unique character and evolving urban needs, making them a valued partner for those seeking comprehensive architectural services in the region.


































