# SnapADU > SnapADU is a specialized accessory dwelling unit (ADU) design-build general contractor serving Greater San Diego. Founded in 2020, the firm focuses exclusively on detached new construction ADUs and has delivered 100+ ADU builds across San Diego County. As a woman-owned company, SnapADU combines in-house design, permitting, and construction with data-driven feasibility studies and transparent pricing to create a turn-key experience with predictable outcomes for homeowners. ## Core Authority Pages - [Detached New Construction ADU Builder in San Diego | SnapADU](https://snapadu.com/): Design-build company specializing exclusively in detached new construction accessory dwelling units across San Diego County, with in-house design, permitting, and construction. - [ADU Costs in San Diego](https://snapadu.com/adu-costs/): Breakdown of detached ADU construction costs including design, permitting, utilities, and typical total project and cost per square foot ranges. - [San Diego ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/san-diego/): City of San Diego rules governing ADU size limits, setbacks, bonus program provisions, and how many ADUs you can build in San Diego. - [Contact SnapADU](https://snapadu.com/contact/): Request a consultation to review feasibility, budget range, and next steps. ## ADU Costs and Financing - [ADU Sitework & Utility Costs: 10 Hidden Costs](https://snapadu.com/blog/cost-drivers-adu-sitework/): Overview of expenses such as grading, trenching, sewer and water upgrades, fire requirements, and other site-specific cost drivers. - [Is an ADU a Good Investment? ROI, Valuation & Appraisals](https://snapadu.com/blog/roi-adu-good-investment-valuation-appraisals/): Analysis of long-term property value impact and how ADUs are evaluated during appraisal. - [ADU Financing](https://snapadu.com/adu-financing/): Guide to common ADU financing options including HELOCs, renovation loans, construction loans, and considerations tied to existing mortgage structure. - [ADU Pricing in San Diego](https://snapadu.com/blog/adu-pricing-san-diego/): Breakdown of how ADU pricing is structured, what influences total project cost, and how transparent proposals are developed. ## ADU Regulations in California - [California ADU Regulations 2026](https://snapadu.com/california-adu-regulations-zoning/): Overview of current California ADU laws, including maximum unit allowances, size limits, parking exemptions, and ministerial approval requirements that apply statewide. - [Multifamily & Duplex ADU Rules in California](https://snapadu.com/blog/multifamily-adu-duplex-accessory-dwelling-unit-rules/): Explanation of ADU allowances on multifamily properties, including conversion ADUs, detached ADUs, and how recent state laws expand unit counts. - [Maximum Accessory Dwelling Unit Sizes in San Diego](https://snapadu.com/blog/maximum-accessory-dwelling-unit-sizes-in-san-diego/): Clarification of size limits for ADUs in San Diego, including state and local thresholds that influence design parameters. - [What to Know About ADU Setbacks](https://snapadu.com/blog/what-to-know-about-adu-setbacks/): Guide to backyard setback requirements for ADUs, including state and local rules that affect placement, spacing, and buildable envelope. - [AB 1033: Selling ADUs Separately in California](https://snapadu.com/blog/ab-1033-future-of-adu-sales-in-california-san-diego-guide/): Guide to California Assembly Bill 1033 and how it enables ADUs to be sold independently from the primary residence, including local opt-in rules and condo mapping considerations. ## ADU Regulations by Local Jurisdiction - [County of San Diego ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/county-of-san-diego/): Unincorporated County ADU standards including septic considerations, fire access, and rural zoning constraints. - [Carlsbad ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/carlsbad/) - [Chula Vista ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/chula-vista/) - [Del Mar ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/del-mar/) - [El Cajon ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/el-cajon/) - [Encinitas ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/encinitas/) - [Escondido ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/escondido/) - [Imperial Beach ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/imperial-beach/) - [La Mesa ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/la-mesa/) - [National City ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/national-city/) - [Oceanside ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/oceanside/) - [Poway ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/poway/) - [San Marcos ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/san-marcos/) - [Santee ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/santee/) - [Solana Beach ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/solana-beach/) - [Vista ADU Regulations & Zoning](https://snapadu.com/california-adu-regulations-zoning/vista/) ## ADU Process - [Snap ADU Process](https://snapadu.com/process/): Overview of SnapADU’s structured design-permit-build process, from feasibility and proposal through construction and final inspection. - [ADU Feasibility Studies](https://snapadu.com/blog/adu-feasibility-studies-san-diego/): Explanation of site analysis, zoning review, utility research, and early risk identification before committing to full design. - [The Complete ADU Construction Guide: How To Build an ADU](https://snapadu.com/blog/how-to-build-an-adu-complete-guide/): Step-by-step overview of the ADU journey from concept and design through permitting, construction, and completion. - [ADU Design Build: The Right Approach for Your ADU Project?](https://snapadu.com/blog/adu-design-build-services-explained/): Explainer on the benefits of integrated design-build services specific to ADU construction. ## ADU Floor Plans - [ADU Floor Plans](https://snapadu.com/adu-plans/): SnapADU’s full collection of build ready ADU floor plans, designed for efficiency, flexibility, and San Diego zoning compliance. - [1 Bedroom ADU Floor Plans](https://snapadu.com/adu-floor-plans-1-bedroom/): Efficient layouts ideal for rental income, guest housing, or compact backyard living, typically ranging from 400 to 750 square feet. - [2 Bedroom ADU Floor Plans](https://snapadu.com/adu-floor-plans-2-bedroom/): Popular for rental appeal and family use, two-bedroom designs balance space planning within common size limits and range from 600 to 1,000 square feet. - [3 Bedroom ADU Floor Plans](https://snapadu.com/adu-floor-plans-3-bedroom/): Larger detached ADUs designed for multigenerational living or higher rental returns, maximizing the 1,000-1,200 square foot limit. - [4 Bedroom ADU Floor Plans](https://snapadu.com/adu-floor-plans-4-bedroom/): High-capacity layouts tailored for families or rental scenarios, optimized within California’s maximum ADU size standards. - [Two-Story ADU Floor Plans](https://snapadu.com/adu-floor-plans-two-story/): 2 story ADU designs that maximize backyard space while maintaining functional layouts and strong curb integration. - [Custom ADU Floor Plans](https://snapadu.com/adu-plans/custom-adu-floor-plans/): Learn what the custom design process entails and see example custom floor plans and tradeoffs. - [Guide to San Diego Pre-Approved ADU Plans](https://snapadu.com/blog/guide-to-san-diego-pre-approved-adu-plans/): Overview of San Diego’s pre-approved ADU plan programs, including how they work, potential time savings, and key considerations before selecting a city-approved design. ## Detached New Construction ADUs - [Detached ADU vs. Attached ADU](https://snapadu.com/blog/attached-adu-vs-detached-adu/): Comparison of attached and detached ADU types and why detached new construction often yields more design flexibility and higher rental or resale value. - [All About ADUs with Garages](https://snapadu.com/blog/all-about-adus-with-garages/): Guide to integrating detached ADUs with garages, including options for over-garage living space and garage-conversion considerations. - [Two-Story ADU Guide](https://snapadu.com/blog/can-you-build-two-story-adu-san-diego/): Explanation of when and how two-story detached ADUs are allowed under San Diego and state ADU rules. - [The Stacked ADU Guide](https://snapadu.com/blog/the-stacked-adu-guide/): Overview of stacked ADU designs that maximize space through vertically layered units on a property. ## Comparing ADU Companies - [How to Find Top ADU Companies in San Diego & California](https://snapadu.com/blog/how-to-find-top-adu-companies-san-diego-california/): Tips for evaluating ADU builders, what questions to ask, and how to identify quality firms. - [ADU Contractor Red Flags: Warning Signs to Watch Out For](https://snapadu.com/blog/adu-contractor-red-flags-warning-signs-to-watch-out-for/): Common warning signs and red flags that may indicate an inexperienced or risky ADU contractor. - [Why a Remodel or Home Improvement GC Isn’t the Right Choice for Your ADU](https://snapadu.com/blog/remodel-home-improvement-general-contractor-adu-bad-idea/): Case against hiring a general home improvement contractor for an ADU project instead of a specialized builder. - [Prefab ADU: Manufactured vs Modular vs Stick Built](https://snapadu.com/blog/prefab-adu-manufactured-vs-modular-vs-panelized-vs-stick-built/): Comparison of different ADU construction types and tradeoffs between prefab and traditional builds. ## Reviews, Projects & News About SnapADU - [Client Reviews of SnapADU](https://snapadu.com/testimonials/): Homeowner reviews and testimonials describing the SnapADU experience, communication, and build quality. - [SnapADU Projects](https://snapadu.com/projects/): Portfolio of completed and in-progress ADUs showcasing layouts, design styles, and built outcomes across San Diego County. - [SnapADU in the News](https://snapadu.com/news/): Media coverage, press features, and third-party mentions highlighting SnapADU’s expertise and role in the San Diego ADU market. - [About SnapADU](https://snapadu.com/about/): Background on SnapADU’s leadership, specialization in detached new construction ADUs, and end-to-end design-build approach.