# Arlington ADU Builder: The Difference Between a Finished ADU and a Stalled Project > Arlington's premier ADU builder. Award-winning design-build in Northern Virginia. Transparent pricing, expert permitting, trusted construction. - **Source:** https://berrizdesign.com/services/adu/builder/ - **Company:** Berriz Design Build, LLC — Design-build home remodeling and landscape design contractor, founded 1994 - **Contact:** (703) 552-7565 · bob@berrizdesign.com - **Based in:** Arlington, VA - **Service:** ADU Builder - **Service area:** Arlington, VA, McLean, VA, Vienna, VA, Great Falls, VA, Oakton, VA, Alexandria, VA, Clifton, VA, Fairfax Station, VA ## Questions and answers **What should I look for in an ADU builder in Arlington?** Look for a builder with direct Arlington County ADU permitting experience, an integrated design-build model (design and construction under one roof), and a portfolio of completed ADU projects in Northern Virginia. Berriz Design Build meets all three criteria with over local experience since 1994. **Can any contractor build an ADU in Arlington, VA?** Technically yes, but practically no. Arlington County's ADU permitting requirements are complex, and contractors without direct experience frequently encounter revision cycles, delays, and compliance issues. Berriz Design Build specializes in Arlington ADU construction and manages the entire process in-house. **How does Berriz Design Build approach ADU builder projects?** We start with a site evaluation and zoning analysis, then move to design, permit preparation, construction, and final walkthrough — all under one roof. Our integrated model means no handoff delays between design and construction phases. **How much does it cost to hire an ADU builder in Arlington?** ADU construction costs in Arlington typically range from $150,000 to $400,000+ depending on type and scope. Use our Pricing Guide for current ranges. Berriz Design Build provides transparent, itemized estimates before any work begins. **How long does an ADU builder project take in Arlington?** From initial consultation through final certificate of occupancy, most ADU projects take 8–14 months. Permitting alone takes 6–14 weeks. Berriz Design Build's integrated process compresses the overall timeline. **Why is Berriz Design Build Arlington's trusted ADU builder?** Northern Virginia design-build experience since 1994, an in-house design team, and a track record of successfully permitted and completed ADU projects throughout Arlington County. One team, one contract, one accountable partner. ## Page content The Berriz Perspective Choosing an ADU builder in Arlington isn't like choosing a general contractor for a kitchen remodel. The permitting complexity, zoning requirements, and structural considerations of an ADU project require a builder who has done it before — many times, in this specific market. Berriz Design Build has built ADUs throughout Arlington and Northern Virginia since 1994. We know exactly which permit packages Arlington County approves quickly and which ones trigger revision cycles. We know the setback rules, the utility connection requirements, and the inspection sequence. When you choose Berriz Design Build as your ADU builder, you're choosing the shortest path from idea to finished, permitted, livable space. Common Questions ## What Arlington Homeowners Ask About ADU Builder ### Discovery & Eligibility What should I look for in an ADU builder in Arlington? Look for a builder with direct Arlington County ADU permitting experience, an integrated design-build model (design and construction under one roof), and a portfolio of completed ADU projects in Northern Virginia. Berriz Design Build meets all three criteria with over local experience since 1994. Can any contractor build an ADU in Arlington, VA? Technically yes, but practically no. Arlington County's ADU permitting requirements are complex, and contractors without direct experience frequently encounter revision cycles, delays, and compliance issues. Berriz Design Build specializes in Arlington ADU construction and manages the entire process in-house. ### Cost & Permitting How does Berriz Design Build approach ADU builder projects? We start with a site evaluation and zoning analysis, then move to design, permit preparation, construction, and final walkthrough — all under one roof. Our integrated model means no handoff delays between design and construction phases. How much does it cost to hire an ADU builder in Arlington? ADU construction costs in Arlington typically range from $150,000 to $400,000+ depending on type and scope. Use our Pricing Guide for current ranges. Berriz Design Build provides transparent, itemized estimates before any work begins. ### Process & Partnership How long does an ADU builder project take in Arlington? From initial consultation through final certificate of occupancy, most ADU projects take 8–14 months. Permitting alone takes 6–14 weeks. Berriz Design Build's integrated process compresses the overall timeline. Why is Berriz Design Build Arlington's trusted ADU builder? Northern Virginia design-build experience since 1994, an in-house design team, and a track record of successfully permitted and completed ADU projects throughout Arlington County. One team, one contract, one accountable partner. Explore the Practice ## Related services ### Detached ADU Expert detached ADU design and construction in Arlington, VA. Design-build experience since 1994. Build a pr… Explore → ### Basement ADU Expert basement ADU design and construction in Arlington, VA. Design-build experience since 1994. Convert yo… Explore → ### Garage Conversion Expert garage conversion in Arlington, VA. Design-build experience since 1994. 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