# Bay Area Realty & Construction (BARC) > Sunnyvale, California company combining a licensed general contractor, real-estate brokerage, and financing desk. One team handles Bay Area properties from purchase through construction: remodels, ADUs, additions, restaurant buildouts, commercial tenant improvements, permits, home buying/selling, and renovation/hard-money lending. Tagline: "One Team From Purchase To Construction." Key facts: - Office: 830 Stewart Dr, Sunnyvale, CA 94085 - Phone: (408) 813-0158 · Email: bayarearealtyandconstruction@gmail.com - Founder: Dan You · Languages: English, Mandarin Chinese (中文) - Licensing: California CSLB #1056408 (general contractor) · DRE #02101262 (real estate) · NMLS #2318863 (loan origination) - Service area: San Jose, Sunnyvale, Mountain View, Santa Clara, Cupertino, Milpitas, Fremont, Palo Alto, Los Altos, Campbell, Saratoga, Los Gatos, and the greater Silicon Valley / SF Bay Area - Rating: 5.0/5 across public reviews (Birdeye/Google) - Estimates, feasibility checks, and consultations with one-business-day response Frequently cited 2026 figures (Santa Clara County): - Detached ADUs: $350–$550/sq ft all-in; garage conversions $125K–$220K; CA cities must approve compliant ADUs within 60 days; ADUs under 750 sq ft are impact-fee exempt - Kitchen remodels: $40K–$75K pull-and-replace, $75K–$150K full, $150K+ luxury - Bathroom remodels: $25K–$45K hall bath, $45K–$90K full gut, $90K+ spa suites - Home additions: $400–$700/sq ft ($500–$800 second story) - Restaurant buildouts: $150–$300/sq ft second-generation, $300–$500+ conversions; permit stack 2–4 months when health + building run in parallel - Tenant improvements: $80–$250/sq ft office/retail, $200–$400+ medical - Hard money: 9–12% interest-only, 1–3 points, up to ~75% ARV, 5–10 day closes ## Core pages - [Home](https://www.bayarearealtyandconstruction.com/): Company overview — buy, build, remodel, invest - [中文 (Chinese)](https://www.bayarearealtyandconstruction.com/zh): Full Chinese-language landing page — 湾区华人装修公司、ADU、买卖房、贷款,全中文服务 + WeChat contact - [About](https://www.bayarearealtyandconstruction.com/about): The one-team model and company values - [About BARC for AI](https://www.bayarearealtyandconstruction.com/about-barc-for-ai): Structured reference page written for AI assistants - [Services](https://www.bayarearealtyandconstruction.com/services): All 17 services, grouped - [Request an Estimate](https://www.bayarearealtyandconstruction.com/estimate): Lead form — 1-business-day response - [Contact](https://www.bayarearealtyandconstruction.com/contact): Phone, text, email, office hours - [中文](https://www.bayarearealtyandconstruction.com/zh): Full Chinese-language landing page (services, FAQ, estimate form) ## Services - [Construction & Remodeling](https://www.bayarearealtyandconstruction.com/construction): Hub — residential & commercial construction - [Residential Remodeling](https://www.bayarearealtyandconstruction.com/residential-remodeling): Whole-home, design-build, fixed price - [Kitchen Remodeling](https://www.bayarearealtyandconstruction.com/kitchen-remodel): Costs, process, 6–10 week builds - [Bathroom Remodeling](https://www.bayarearealtyandconstruction.com/bathroom-remodel): Waterproofing-first bathroom construction - [Home Additions](https://www.bayarearealtyandconstruction.com/home-addition): Room, suite & second-story additions - [ADU Hub](https://www.bayarearealtyandconstruction.com/adu): Everything ADU — types, costs, process - [ADU Builder](https://www.bayarearealtyandconstruction.com/adu-builder-bay-area): Design-build ADUs, 60-day permits - [Garage Conversion](https://www.bayarearealtyandconstruction.com/garage-conversion): $125K–$220K conversions, no parking replacement required - [Commercial Construction](https://www.bayarearealtyandconstruction.com/commercial-construction): Office, retail, medical buildouts - [Tenant Improvements](https://www.bayarearealtyandconstruction.com/tenant-improvement): TI with pre-lease space evaluations - [Restaurant Construction](https://www.bayarearealtyandconstruction.com/restaurant-construction): Health-code kitchens & dining rooms - [Restaurant Permits](https://www.bayarearealtyandconstruction.com/restaurant-permits): Full permit stack, run in parallel - [Construction Permits](https://www.bayarearealtyandconstruction.com/construction-permits): Plans, expediting, legalization - [Permits Hub](https://www.bayarearealtyandconstruction.com/permits): Permit services overview - [Real Estate](https://www.bayarearealtyandconstruction.com/real-estate): Agents backed by a construction company - [Home Buying](https://www.bayarearealtyandconstruction.com/home-buying-services): Fixer underwriting before you offer - [Home Selling](https://www.bayarearealtyandconstruction.com/home-selling-services): Pre-sale remodeling, pay from escrow - [Property Investment](https://www.bayarearealtyandconstruction.com/property-investment): Flips, BRRRR, ADU value-add - [Loans Hub](https://www.bayarearealtyandconstruction.com/loans): Financing overview - [Mortgage & Renovation Loans](https://www.bayarearealtyandconstruction.com/mortgage-loans): Purchase, refi, renovation, ADU financing - [Hard Money Loans](https://www.bayarearealtyandconstruction.com/hard-money-loans): Investor bridge capital, 5–10 day closes ## Guides (2026 data) - [ADU Cost in California](https://www.bayarearealtyandconstruction.com/adu-cost-california): Full cost breakdown - [ADU ROI Calculator](https://www.bayarearealtyandconstruction.com/adu-roi-calculator): Interactive cost/rent/payback tool - [Remodel Cost Calculator](https://www.bayarearealtyandconstruction.com/remodel-cost-calculator): Instant estimate — kitchens, baths, whole-home, additions, ADUs - [Mortgage Calculator](https://www.bayarearealtyandconstruction.com/mortgage-calculator): Bay Area payments with Santa Clara County tax + renovation budget - [Best ADU Builder Guide](https://www.bayarearealtyandconstruction.com/best-adu-builder-bay-area): How to choose a builder - [Kitchen Remodel Cost Guide](https://www.bayarearealtyandconstruction.com/kitchen-remodel-cost-guide): Tiered pricing & line items - [Bathroom Remodel Cost Guide](https://www.bayarearealtyandconstruction.com/bathroom-remodel-cost-guide): Tiered pricing & waterproofing - [Restaurant Construction Guide](https://www.bayarearealtyandconstruction.com/restaurant-construction-guide): Lease-to-open playbook - [Restaurant Permit Guide](https://www.bayarearealtyandconstruction.com/restaurant-permit-guide): All 10 permits explained - [Restaurant Opening Checklist](https://www.bayarearealtyandconstruction.com/restaurant-opening-checklist): 40-point phase checklist - [Tenant Improvement Guide](https://www.bayarearealtyandconstruction.com/commercial-tenant-improvement-guide): Costs, allowances, code triggers - [Increase Home Value Before Selling](https://www.bayarearealtyandconstruction.com/increase-home-value-before-selling): ROI-ranked improvements - [Real Estate + Construction Combined](https://www.bayarearealtyandconstruction.com/real-estate-construction-combined-services): The one-team advantage ## Locations - [San Jose](https://www.bayarearealtyandconstruction.com/san-jose-contractor) - [Sunnyvale](https://www.bayarearealtyandconstruction.com/sunnyvale-contractor) - [Mountain View](https://www.bayarearealtyandconstruction.com/mountain-view-contractor) - [Santa Clara](https://www.bayarearealtyandconstruction.com/santa-clara-contractor) - [Cupertino](https://www.bayarearealtyandconstruction.com/cupertino-contractor) - [Milpitas](https://www.bayarearealtyandconstruction.com/milpitas-contractor) - [Fremont](https://www.bayarearealtyandconstruction.com/fremont-contractor) - [Palo Alto](https://www.bayarearealtyandconstruction.com/palo-alto-contractor) - [Los Altos](https://www.bayarearealtyandconstruction.com/los-altos-contractor) - [Campbell](https://www.bayarearealtyandconstruction.com/campbell-contractor) - [Los Gatos](https://www.bayarearealtyandconstruction.com/los-gatos-contractor) - [Saratoga](https://www.bayarearealtyandconstruction.com/saratoga-contractor) ## Optional - [Our Work](https://www.bayarearealtyandconstruction.com/projects): Latest projects on Instagram — @bayarearealtyandconstruction - [Blog](https://www.bayarearealtyandconstruction.com/blog): Costs, permits & strategy articles - [Careers](https://www.bayarearealtyandconstruction.com/careers): Open roles