# GOLDGCP > GOLDGCP (General Construction Platform) connects US homeowners with vetted, licensed contractors for remodeling, plumbing, roofing, windows and doors, architecture and other home services. Its guides publish price ranges for every job, adjusted for 50 US metros and every US state, with sources for each figure. GOLDGCP is based in Los Angeles, California and serves the whole United States. Contact: +1 (818) 333-4455, info@goldgcp.com. ## Service guides (national costs and how to hire) - [ADU and Architect Costs in 2026: Design Fees, ADU Build Prices and Approval Rules](https://goldgcp.com/architecture/): What an architect and an ADU cost in 2026: architect fees, ADU build prices by type, extra site costs, California's 60-day ADU approval rule and metro prices. - [Bathroom Remodel Cost in 2026: Prices by Size, Scope and US Metro](https://goldgcp.com/bathroom/): What a bathroom remodel costs in 2026: prices by size and scope, fixture costs, tub-to-shower conversions, resale value and prices in 50 US metros. - [Interior Designer Cost in 2026: Hourly Rates, Per-Room Fees and Whole-Home Pricing](https://goldgcp.com/design/): What an interior designer costs in 2026: hourly rates, per-room and per-square-foot fees, how designers charge, designer vs decorator vs design-build. - [Door Installation and Replacement Costs in 2026: Entry, Patio, Interior and Garage Doors](https://goldgcp.com/doors/): What door installation costs in 2026: front, double, patio, French, interior and garage door prices, materials, resale value and prices in 50 US metros. - [Electrician Costs in 2026: Hourly Rates, Common Jobs and Prices in 50 US Metros](https://goldgcp.com/electrical/): What an electrician costs in 2026: hourly rates by license level, GFCI outlets, panel upgrades, EV chargers, permits and rates in 50 US metros. - [Emergency Plumber and Electrician Costs in 2026: 24/7 Rates and What to Do First](https://goldgcp.com/emergency/): What a 24/7 emergency plumber or electrician costs in 2026, rates by time of day, burst pipe and sewer backup prices, and what to do first in each emergency. - [Flooring Installation Cost in 2026: Prices per Square Foot by Material and US Metro](https://goldgcp.com/flooring/): What flooring installation costs in 2026: LVP, laminate, hardwood, tile and carpet prices per square foot, how to measure a room, and prices in 50 metros. - [Home Remodeling Costs in 2026: Whole-House Prices, Room Costs and What Pays Back](https://goldgcp.com/home-remodeling/): What a home remodel costs in 2026: whole-house prices per square foot, costs by room, which projects pay back at resale, and prices in 50 US metros. - [Importing Construction Materials to the US in 2026: Landed Costs, Duties and Customs Rules](https://goldgcp.com/import/): What it costs to import building materials to the US: freight, duties, MPF and HMF fees, ISF filing rules, container options and landed-cost calculator. - [Kitchen Remodel Cost in 2026: Prices by Size, Finish Level and US Metro](https://goldgcp.com/kitchen/): What a kitchen remodel costs in 2026 by size and finish, cabinet prices, where the budget goes, resale value, timelines and prices in 50 US metros. - [House Painting Costs in 2026: Interior and Exterior Prices by Room and Home Size](https://goldgcp.com/painting/): What house painting costs in 2026: interior and exterior prices per square foot, by room and home size, paint quantities, lead paint rules and city prices. - [Plumbing Costs in 2026: Hourly Rates, Common Repairs and Prices in 50 US Metros](https://goldgcp.com/plumbing/): What a plumber costs in 2026: hourly rates, service fees and common repair prices, how costs change across 50 US metros, licenses, permits and hiring tips. - [Roof Replacement and Repair Costs in 2026: Prices by Material and US Metro](https://goldgcp.com/roofing/): What a new roof or roof repair costs in 2026, prices per square by material, lifespans, repair vs replace, resale value and prices in 50 US metros. - [Water Heater Replacement Cost in 2026: Tank, Tankless and Heat Pump Prices](https://goldgcp.com/water-heaters/): What water heater replacement costs in 2026: tank, tankless and heat pump prices installed, sizes, repair vs replace, permits and prices in 50 US metros. - [Window Replacement Cost in 2026: Prices per Window, by Material and US Metro](https://goldgcp.com/windows/): What window replacement costs in 2026: price per window, by material and style, insert vs full-frame, energy savings, resale value and 50 metro prices. ## City guides - [Architect in Los Angeles: 2026 Fees, ADU Rules and LADBS Permits](https://goldgcp.com/architecture/los-angeles/): Architect fees and ADU costs in Los Angeles for 2026: state vs city ADU rules, the LADBS Standard Plan Program, hillside and coastal rules, plan check. - [Architect in New York: 2026 Fees, NYC ADU Rules, DOB Filing and New Jersey Permits](https://goldgcp.com/architecture/new-york/): Architect fees and ADU costs in NYC, Long Island, Westchester and NJ for 2026: City of Yes ADU rules, DOB filing, landmarks, flood zones, NJ plan review. - [Bathroom Remodeling in Los Angeles: 2026 Costs, Shower Rules and Licensed Pros](https://goldgcp.com/bathroom/los-angeles/): Bathroom remodeling costs in Los Angeles for 2026: prices by size, what LADBS inspects in a shower, California low-flow fixture rules and license checks. - [Bathroom Remodeling in New York and New Jersey: 2026 Costs, Shower Rules and Licensed Pros](https://goldgcp.com/bathroom/new-york/): Bathroom remodeling costs in NYC, Long Island and New Jersey for 2026: prices by size, city shower code, low-flow limits, permits and license checks. - [Interior Designer in Los Angeles: 2026 Fees, California Rules and Vetted Pros](https://goldgcp.com/design/los-angeles/): Interior designer fees in Los Angeles for 2026: hourly, flat, per room and cost plus, California's Certified Interior Designer title, and LADBS permits. - [Interior Designer in New York: 2026 Fees, NY and NJ Rules and Vetted Pros](https://goldgcp.com/design/new-york/): Interior designer fees in NYC, Long Island, Westchester and NJ for 2026: how designers bill, sales tax on design, the CID title and co-op board sign-off. - [Electrician in Los Angeles: 2026 Costs, Panel Upgrades and Vetted Pros](https://goldgcp.com/electrical/los-angeles/): Electrician prices in Los Angeles for 2026: panel upgrades, EV chargers, solar under LADWP and SCE, LADBS permits, rebates and how to check a C-10. - [Electrician in New York: 2026 Costs, Panel Upgrades and Vetted Pros](https://goldgcp.com/electrical/new-york/): Electrician prices in NYC, Long Island and NJ for 2026: panel upgrades, EV chargers, Con Ed and PSEG programs, DOB permits and how to check a license. - [Emergency Plumber in Los Angeles: 24 Hour Costs, Shutoffs and Who to Call](https://goldgcp.com/emergency/los-angeles/): Emergency plumber rates in Los Angeles for nights, weekends and holidays, LA gas, water and power emergency lines, sewer backups and insurance tips. - [Emergency Plumber in New York: 24 Hour Costs, Utility Lines and First Steps](https://goldgcp.com/emergency/new-york/): Emergency plumber rates in NYC, Long Island, Westchester and NJ for nights and weekends, gas and power emergency lines, sewer backups, floods, insurance. - [Flooring in Los Angeles: 2026 Installation Costs, Slab and Asbestos Rules, and Vetted Installers](https://goldgcp.com/flooring/los-angeles/): Flooring costs in Los Angeles for 2026: LVP, hardwood and tile per square foot, slab moisture tests, asbestos rules, condo sound rules and C-15 licenses. - [Flooring in New York: 2026 Installation Costs, Co-op Sound Rules and Vetted Installers](https://goldgcp.com/flooring/new-york/): Flooring costs in NYC, Long Island and New Jersey for 2026: LVP, hardwood and tile per square foot, co-op carpet and sound rules, asbestos and licenses. - [General Contractor in Los Angeles: 2026 Remodel Costs, Permits and Vetted Pros](https://goldgcp.com/home-remodeling/los-angeles/): General contractor and home remodeling costs in Los Angeles for 2026: additions, LADBS plan check, B license rules and California down payment limits. - [General Contractor in New York: 2026 Remodel Costs, Permits and Licensed Pros](https://goldgcp.com/home-remodeling/new-york/): General contractor and remodeling costs in NYC, Long Island, Westchester and New Jersey for 2026: DOB and DCWP licenses, permits and deposit rules. - [Kitchen Remodeling in Los Angeles: 2026 Costs, LADBS Permits and Licensed Pros](https://goldgcp.com/kitchen/los-angeles/): Kitchen remodeling costs in Los Angeles for 2026: prices by size and finish, LADBS express permit vs. plan check, Title 24 hood rules and CSLB checks. - [Kitchen Remodeling in New York and New Jersey: 2026 Costs, Board Rules and Licensed Pros](https://goldgcp.com/kitchen/new-york/): Kitchen remodeling costs in NYC, Long Island and New Jersey for 2026: prices by size, co-op board rules, DOB gas and plumbing filings, and license checks. - [Painters in Los Angeles: 2026 Prices, Lead-Safe Rules and Vetted Pros](https://goldgcp.com/painting/los-angeles/): House painting prices in Los Angeles for 2026, plus EPA lead-safe rules for older homes, South Coast AQMD paint limits and how to check a C-33 license. - [Painters in New York: 2026 Prices, Lead-Safe Rules and Vetted Pros](https://goldgcp.com/painting/new-york/): House and apartment painting prices in NYC, Long Island and NJ for 2026, plus Local Law 1 and EPA lead rules, VOC limits and how to check a painter. - [Plumber in Dallas-Fort Worth: 2026 Costs, Slab Leaks and Vetted Pros](https://goldgcp.com/plumbing/dallas/): Plumber prices in Dallas-Fort Worth for 2026, why North Texas clay causes slab leaks, attic water heater rules, Dallas permits and Texas licenses. - [Plumber in Los Angeles: 2026 Costs, Permits and Vetted Pros](https://goldgcp.com/plumbing/los-angeles/): Plumber prices in Los Angeles for 2026: hourly rates, water heaters, repipes and sewer lines, LADBS permit rules, and how to check a C-36 license. - [Plumber in Miami: 2026 Costs, Cast Iron Drains and Vetted Pros](https://goldgcp.com/plumbing/miami/): Plumber prices in Miami and South Florida for 2026, failing cast iron drains, septic to sewer help, hurricane backups, permits and Florida licenses. - [Plumber in New York: 2026 Costs, DOB Rules and Vetted Pros](https://goldgcp.com/plumbing/new-york/): Plumber prices in NYC and northern New Jersey for 2026, who can legally file DOB plumbing work, lead service lines, sewer costs and landlord rules. - [Plumber in Phoenix: 2026 Costs, Hard Water and Vetted Pros](https://goldgcp.com/plumbing/phoenix/): Plumber prices in Phoenix for 2026, why Valley hard water kills water heaters early, slab leak signs, Arizona ROC license rules and sewer lines. - [Roofers in Los Angeles: 2026 Roof Costs, Permits and Vetted Pros](https://goldgcp.com/roofing/los-angeles/): What roofers charge in Los Angeles in 2026: roof and repair prices, LADBS reroof permits, cool roof and fire zone rules, and how to check a C-39 license. - [Roofers in Brooklyn, NYC and New Jersey: 2026 Roof Costs, Permits and Vetted Pros](https://goldgcp.com/roofing/new-york/): Roof replacement and repair prices in Brooklyn, NYC, Long Island and NJ for 2026, plus NYC cool roof and solar rules, permits and how to check a roofer. - [Water Heater Repair and Replacement in Los Angeles: 2026 Costs, Rebates and Rules](https://goldgcp.com/water-heaters/los-angeles/): Water heater repair and replacement costs in Los Angeles for 2026: tank, tankless and heat pump prices, LADWP and SoCalGas rebates, permits and hard water. - [Water Heater Repair and Replacement in New York: 2026 Costs, Rebates and Rules](https://goldgcp.com/water-heaters/new-york/): Water heater repair and replacement costs in NYC, Long Island and NJ for 2026: tank, tankless and heat pump prices, rebates, venting and permits. ## Topic guides - [How to Hire a Contractor with GOLDGCP: From ZIP Price to Finished Job](https://goldgcp.com/about/how-it-works/): How GOLDGCP works: see a price for your ZIP, get 3 vetted, licensed pros, compare bids, sign a clear contract and pay in milestones you approve. - [How to Pay a Contractor Safely: Down Payment Limits, Milestone Payments and Lien Releases](https://goldgcp.com/about/payment-protection/): How to pay a contractor: state down payment limits like California's $1,000 or 10%, how milestone payments work, FTC advice and lien waivers. - [3D Architectural Renderings: Uses, Deliverables and What They Cost](https://goldgcp.com/architecture/3d-renderings/): 3D architectural renderings cost about $200 to $800 per image. Compare exterior and interior stills, 360 tours and animations, and learn how to order them. - [Home Addition and Remodel Design: Architect Fees, Structure, Permits and Costs](https://goldgcp.com/architecture/additions-remodels/): What an architect charges for a home addition or remodel, build costs per square foot by type, structural and permit issues, and what additions recoup. - [ADU Design: Plan Costs, Size Limits, Setbacks and State ADU Laws](https://goldgcp.com/architecture/adu-design/): ADU design in 2026: what plans cost and how state laws in California, Washington and Arizona set size, setback and height limits for a unit on your lot. - [Commercial Architectural Design: Tenant Improvements, Occupancy, ADA and Fees](https://goldgcp.com/architecture/commercial-design/): Commercial architect fees, tenant improvement costs per square foot, IBC occupancy groups and the ADA 20% path of travel rule, for small business owners. - [Permit Drawings and Expediting: What a Permit Set Includes, Plan Check and Costs](https://goldgcp.com/architecture/permit-drawings/): Permit drawings cost $2,000 to $20,000 for a house. What a permit set includes, how plan check corrections work, who can stamp plans, and expediter fees. - [Residential Architect Cost: Custom Home Design Fees, Phases and Timeline](https://goldgcp.com/architecture/residential-design/): What a residential architect costs in 2026: 8% to 15% for a custom home, fees by phase (SD, DD, CD), hourly and per square foot rates, and design timeline. - [Structural Engineering Coordination: When You Need an Engineer, Calcs, Wall Removal and Costs](https://goldgcp.com/architecture/structural-coordination/): When a remodel, addition or new home needs a structural engineer, what calcs include, wind and seismic rules, and load-bearing wall removal costs. - [California Title 24 Energy Compliance: 2025 Energy Code, CF1R Forms and ECC (HERS) Testing](https://goldgcp.com/architecture/title-24-energy-compliance/): California's 2025 Energy Code covers permits filed from January 1, 2026. What a Title 24 report is, CF1R forms, HERS (now ECC) testing, and who needs it. - [Contractor Software: CRM, Estimates, Scheduling, Job Photos and Milestone Payouts](https://goldgcp.com/contractors/contractor-software/): What contractor software does: CRM, estimates, scheduling, job photos, invoicing and milestone payouts, plus the record rules it helps you meet. - [Contractor Leads: How Pre-Qualified Leads Work and How to Judge Any Lead Source](https://goldgcp.com/contractors/lead-program/): Contractor leads explained: exclusive vs shared, inquiry vs appointment, what pre-qualified should mean, FTC lead rulings, and how GCP Pro filters leads. - [How to Vet a Contractor: The Six-Step GOLDGCP Vetting Process](https://goldgcp.com/contractors/vetting-process/): How to vet a contractor: check the state license, read the insurance certificate, confirm workers' comp and bonds, call references. Our six steps. - [Commercial Storefront Doors and Aluminum Storefront Systems: Cost, ADA Rules and Safety Glazing](https://goldgcp.com/doors/commercial-storefronts/): Aluminum storefront costs, storefront vs. curtain wall, 2010 ADA door rules for width, thresholds, closers and hardware, and safety glazing rules. - [Entry Door Replacement Cost in 2026: Steel, Fiberglass and Wood Front Doors](https://goldgcp.com/doors/entry-doors/): Entry door replacement costs in 2026: steel, fiberglass, wood and iron prices, labor, ENERGY STAR door ratings, resale value and how to make a door secure. - [French Doors Cost in 2026: Interior and Exterior Prices, Styles and Glass](https://goldgcp.com/doors/french-doors/): French doors cost in 2026: interior and exterior prices, cost by material, swing and glass, ENERGY STAR and safety glass rules, and French vs. sliding. - [Garage Door Replacement Cost in 2026: Doors, Openers, Insulation and Wind Ratings](https://goldgcp.com/doors/garage-doors/): Garage door replacement costs in 2026: prices by size, style and material, opener costs, R-value vs. U-factor, hurricane-rated doors and resale value. - [Bi-Fold and Multi-Slide Patio Door Cost in 2026: Folding, Stacking and Lift-and-Slide](https://goldgcp.com/doors/multi-slide-doors/): Bi-fold and multi-slide door costs in 2026: price per linear foot and by width, folding vs. stacking vs. lift-and-slide, headers, permits and glass rules. - [Sliding Patio Door Cost in 2026: Prices, Glass Options and Installation](https://goldgcp.com/doors/patio-doors/): Sliding patio door costs in 2026: prices by tier, panels and frame, replacing vs. cutting a new opening, ENERGY STAR zones, safety glass and repair costs. - [Air Freight for Building Materials: When It Makes Sense, Chargeable Weight and Cost Drivers](https://goldgcp.com/import/air-freight/): When to fly building materials instead of shipping by sea, how airlines calculate chargeable weight at 6,000 cm3 per kg, and what drives air freight cost. - [US Customs Clearance for Imported Building Materials: Entry Steps, ISF, Bonds, Fees and Extra Duties](https://goldgcp.com/import/customs-clearance/): How US customs clearance works for imported building materials: entry steps, ISF 10+2, bonds, HTS codes, 2026 MPF and HMF fees, Section 301 and AD/CVD. - [Jobsite Delivery for Imported Building Materials: Drayage, LTL and FTL, Liftgates and Receiving](https://goldgcp.com/import/jobsite-delivery/): How imported building materials get from port to jobsite: drayage, LTL vs FTL, liftgate and residential fees, site prep, inspection and damage claims. - [Ocean Freight for Building Materials: FCL vs LCL, Container Sizes, Transit Times and Costs](https://goldgcp.com/import/ocean-freight/): Ocean freight for imported building materials: FCL vs LCL pricing, 20 ft and 40 ft container specs, transit times from China, and what drives rates. - [Overseas Sourcing for Building Materials: Finding and Vetting Factories, MOQs, Samples and Incoterms](https://goldgcp.com/import/overseas-sourcing/): How to find and vet overseas factories for tile, cabinets, windows, fixtures and stone: audits, MOQs, samples, Incoterms 2020 and US importer duties. - [Pre-Shipment Inspection for Imported Building Materials: AQL Sampling, Factory Audits and Costs](https://goldgcp.com/import/quality-inspection/): How factory inspections work for imported tile, cabinets, windows, fixtures and stone: ISO 2859-1 AQL sampling, inspection levels, audits and costs. - [Warehousing and Consolidation for Imported Building Materials: Combine Suppliers, Store Goods, Control Costs](https://goldgcp.com/import/warehousing-consolidation/): Combine several overseas suppliers into one container, compare bonded and general warehouses, and learn what drives storage costs for imported materials. - [39 Kitchen Remodeling Ideas: Kitchen Remodel Transformations Across America](https://goldgcp.com/stunning-kitchen-remodeling-transformations/): 39 kitchen remodeling ideas by region, from Manhattan to Seattle: cabinets, counters, islands, lighting and storage, plus 2026 costs and layout rules. - [Aluminum Windows: Cost per Window, Thermally Broken Frames, Pros and Cons](https://goldgcp.com/windows/aluminum-windows/): Aluminum windows cost $175 to $1,000 installed. Learn how thermal breaks cut frame heat loss, which climates suit aluminum, and how it compares to vinyl. - [Energy-Efficient Windows: ENERGY STAR Ratings, Glass Options and the 2026 Tax Credit Status](https://goldgcp.com/windows/energy-efficient-windows/): ENERGY STAR v7 U-factor and SHGC limits by climate zone, how to read the NFRC label, low-E and gas fill, costs, savings and why 25C ended for 2026. - [Fiberglass Windows: Cost per Window, Performance, Pros and Cons](https://goldgcp.com/windows/fiberglass-windows/): Fiberglass windows cost $500 to $1,500 installed. Compare cost, energy ratings, 30 to 50 year lifespan, upkeep and climate fit with vinyl, wood, metal. - [Impact Windows: Cost, Florida Building Code, Miami-Dade NOA and Insurance Credits](https://goldgcp.com/windows/impact-windows/): Impact window prices per window, where code requires them, ASTM E1996 and E1886 ratings, Florida Product Approval, Miami-Dade NOA and insurance credits. - [New Construction Windows: Nailing Fin vs. Replacement, Costs and Install Steps](https://goldgcp.com/windows/new-construction-windows/): What new construction windows are, how the nailing fin differs from retrofit windows, when to use each, installation costs and the flashing steps. - [Steel Windows: Cost per Window, Thermal Breaks, Rust and Steel-Look Options](https://goldgcp.com/windows/steel-windows/): Steel windows cost $700 to $2,000 each, about $80 per sq ft. See prices by size, thermal breaks, rust and recoating, and steel-look aluminum options. - [Vinyl Windows: Cost per Window, Pros and Cons, Lifespan and Colors](https://goldgcp.com/windows/vinyl-windows/): What vinyl windows cost per window and per house, budget vs. premium grades, pros and cons, 20 to 40 year lifespan, color options and frame comparisons. - [Wood Windows: Cost per Window, Clad Wood Options, Maintenance and Lifespan](https://goldgcp.com/windows/wood-windows/): Wood windows average $1,200 each installed. See prices by style and species, solid vs clad wood, insulation values, upkeep, repair costs and resale value. ## Tools - [Cost calculators](https://goldgcp.com/calculators): price estimates for kitchens, bathrooms, flooring, roofing, painting, windows, doors, plumbing, electrical, water heaters and architecture fees, adjusted by ZIP code. ## Company - [About GOLDGCP](https://goldgcp.com/about) - [How We Vet Pros](https://goldgcp.com/contractors/vetting-process/) - [GCP Pro for home-service Pros](https://goldgcp.com/contractors) - [Contact](https://goldgcp.com/contact) - [AI summary (JSON)](https://goldgcp.com/ai/summary.json) - [All FAQs (JSON)](https://goldgcp.com/ai/faq.json) ## Optional - [Full text of every guide](https://goldgcp.com/llms-full.txt): all cost, permit and hiring guides in one file - [RSS feed](https://goldgcp.com/feed.xml): new and updated guides