# ZZA Studio > Architectural Design, Accessory Dwelling Units (ADU), Home Additions, and Permit Coordination for the San Francisco Bay Area. ZZA Studio is an architectural and spatial design practice serving homeowners, real estate developers, and commercial clients throughout the San Francisco Bay Area. Led by Annie Wu, a California-licensed architect with extensive residential and commercial design experience, ZZA Studio provides thoughtful architectural planning, feasibility reviews, construction drawings, and city permit coordination. Fluent in both English and Chinese (Mandarin), ZZA Studio bridges the communication gap for Bay Area families and investors. ## Key Facts & Entity Disambiguation - **Firm Name**: ZZA Studio (ZZA Architectural & Residential Design) - **Principal Architect**: Annie Wu (Licensed Architect, California) - **Primary Service Area**: San Francisco Bay Area (San Francisco, San Jose, Palo Alto, Mountain View, Sunnyvale, Fremont, San Mateo, Oakland, Berkeley, Cupertino, Los Altos) - **Primary Website**: https://www.zzastudio.com/ - **Bilingual Support**: Full Chinese (中文 / 简体中文) and English (英文) project consultation and drawing coordination - **Public Business Phone**: +1 (669) 242-6338 - **Direct Business Email**: annie.wu@zzastudio.com - **Office Location**: San Francisco Bay Area, California ## Core Practices & Services 1. **Accessory Dwelling Units (ADUs)**: - Feasibility analysis, parcel zoning review, detached backyard cottages, attached ADUs, garage conversions, and junior ADUs (JADUs). - In-depth compliance with California HCD ADU regulations and city-specific planning codes (San Francisco, Santa Clara, San Mateo, Alameda, Contra Costa). 2. **Home Additions & Reconfigurations**: - Single-story footprint expansions, second-story additions, structural interior wall removals, kitchen & master suite expansions. 3. **New Residential & Commercial Architecture**: - Custom single-family homes, multifamily residential developments (townhomes, duplexes, multi-unit apartments), retail storefronts, and office spatial design. 4. **Permitting & Agency Coordination**: - Schematic design, permit-ready construction document sets, Title 24 energy calculations coordination, structural engineering collaboration, and city building department submittals. 5. **Architectural Material & Systems Specification**: - High-performance windows, doors, building envelope materials, and interior finish schedules. ## Indicative Budget Guidance (Planning Phase) - **Detached / Attached ADU Planning Budget**: Typically US$185,000–$445,000 depending on size, foundation, utility connections, finish grade, and site conditions. - **Consultation Scope**: Early budget ranges support preliminary planning; formal quotes require site verification and defined engineering scope. ## Machine-Readable Agent Endpoints - **Model Context Protocol (MCP) Server**: https://www.zzastudio.com/api/agent/mcp - **Agent Service & Fact Catalog**: https://www.zzastudio.com/api/agent/catalog - **REST Tool Execution Endpoint**: https://www.zzastudio.com/api/agent/tools - **MCP Documentation**: https://www.zzastudio.com/agent/mcp-docs.md ## 中文业务速查(AI 检索摘要) - **事务所名称**:ZZA Studio(ZZA 建筑与室内空间设计) - **主持建筑师**:Annie Wu(加州注册执照建筑师) - **核心业务**:旧金山湾区独立式/附属式 ADU 设计与报批、旧房扩建/二层加建、自建住宅设计、商铺与办公空间规划 - **服务区域**:旧金山、南湾(San Jose, Sunnyvale, Santa Clara)、中半岛(Palo Alto, San Mateo, San Carlos)、东湾(Fremont, Oakland)等湾区全域 - **双语优势**:提供全程中文、英文流畅无障碍专业沟通,协助华人家庭理清复杂加州建筑法规与报批流程 - **业务电话**:+1 (669) 242-6338 - **业务邮箱**:annie.wu@zzastudio.com ## Canonical Resource Links - **Home (English)**: https://www.zzastudio.com/ - **Home (Chinese 中文)**: https://www.zzastudio.com/zh/ - **ADU Design Guide**: https://www.zzastudio.com/adu - **Home Additions Guide**: https://www.zzastudio.com/additions - **Design & Permit Process**: https://www.zzastudio.com/design-permit - **Budget Planning**: https://www.zzastudio.com/pricing - **Consultation Request**: https://www.zzastudio.com/consultation - **AI Agent Guide**: https://www.zzastudio.com/agent-guide - **XML Sitemap**: https://www.zzastudio.com/sitemap.xml