Detached ADU done right
Goldenline handled our 720 sq ft detached ADU from permits through final inspection. Clear schedule, no surprise change orders, and the city sign-off was painless. Highly recommend.
Marisol T. · Homeowner0 found this helpful
License Verified
Goldenline Construction
Serving Woodland Hills, CA & the surrounding metro · Based in Woodland Hills, CA
Pricing on request — unlock Goldenline Construction's ADU pricing for your project
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About Goldenline Construction
Goldenline Construction Inc is a California-licensed general building contractor based in Woodland Hills. CSLB license #989378 has been current and active since December 2013 and carries both B (General Building) and C-33 (Painting & Decorating) classifications.
Goldenline Construction ADU pricing
Pricing varies by unit type, size, finishes, and site conditions. Unlock Goldenline Construction's project pricing for your lot — free, no obligation.
| Unit type | Typical size | Pricing |
|---|---|---|
| Studio / JADU | ≤ 500 sq ft | Pricing locked — unlock to view |
| 1-bedroom detached ADU | 600–750 sq ft | Pricing locked — unlock to view |
| 2-bedroom detached ADU | 750–1,000 sq ft | Pricing locked — unlock to view |
| Garage conversion | 400–600 sq ft | Pricing locked — unlock to view |
| Attached ADU | 400–800 sq ft | Pricing locked — unlock to view |
Pricing is unlocked per project
Share a few details and we'll send Goldenline Construction's pricing for your build.
Services Goldenline Construction offers
- Detached ADU
- Attached ADU
- Free feasibility consultation
- ADU design & architecture
- Permit expediting
- Detached ADU construction
What Goldenline Construction handles
Design & permitting
In-house design and full permit handling.
- Architectural design & 3D renderings
- Structural & Title 24 energy plans
- City plan-check submittal & corrections
Construction
Turnkey ground-up and conversion builds.
- Foundation & framing
- Detached, attached & garage-conversion ADUs
- Electrical, plumbing & HVAC
Financing
Guidance and lender introductions.
- Renovation / construction-loan guidance
- HELOC & cash-out refinance referrals
- ADU-specific (after-build-value) lenders
Project types
ADU formats this builder takes on.
- Detached ADU
- Attached ADU
- Garage / ADU conversion
Warranty & support
What's covered after move-in.
- Workmanship warranty
- Manufacturer materials warranties
- Dedicated project manager
Reviews of Goldenline Construction
4.9147 verified reviews
Rating breakdown
Quality of work5.0
Communication4.8
Timeliness4.3
Value for money4.5
Great communication
They walked us through CSLB licensing and pulled every permit themselves. Weekly updates the whole build. Came in close to the original quote.
Derek W. · ADU owner0 found this helpful
Solid build, minor delays
Quality of the framing and finishes was excellent. Lost a couple weeks waiting on the gas meter, but that was utility-side, not them. Would use again.
Priya K. · Homeowner0 found this helpful
Turnkey from design to keys
Design-build under one roof meant I never had to coordinate an architect and a separate GC. The garage conversion came out better than the renderings.
Anthony R. · Homeowner0 found this helpful
Frequently asked questions about Goldenline Construction
What does Goldenline Construction offer?
Goldenline Construction is a full-service ADU builder serving Woodland Hills, CA, handling design, permitting, and turnkey construction for detached ADUs, attached ADUs, garage conversions, and junior ADUs (JADUs). Goldenline Construction holds a 4.9-star rating across 147 verified homeowner reviews.
Is Goldenline Construction licensed and insured?
Yes. Goldenline Construction is a CSLB license-verified contractor — bonded, insured, and vetted before listing in this directory.
How much does Goldenline Construction charge to build an ADU?
Goldenline Construction prices every ADU per project — your cost depends on size, finishes, and site conditions. Garage conversions are the most affordable path; detached units cost more. Pricing is unlocked per project: request a quote to get Goldenline Construction's exact, no-obligation estimate for your lot.
What areas does Goldenline Construction serve?
Goldenline Construction serves Woodland Hills, CA and the surrounding metro. Confirm coverage for your exact address when you request a quote.
How long does Goldenline Construction take to build an ADU?
Most ADU projects run 6–12 months end to end — roughly 1–2 months for design and permitting (California caps plan check at 60 days for compliant units) and 4–8 months of construction. Goldenline Construction confirms a timeline for your specific project during the feasibility consultation.
How do I get a quote from Goldenline Construction?
Tap any "Get a Quote" button on this page to share a few details about your property and project. We'll confirm your service area, match you directly with Goldenline Construction, and set up your free feasibility consultation — no obligation.
Where Goldenline Construction works
Woodland Hills, CAService-area map
Street View
- City Building & Safety
- Planning Department
- Permit Center
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Pre-ADU Checkup — $499 — Get finalized permits, a pre-ADU checklist, and an on-site feasibility visit. Homeowners save $1,000s by doing this before engaging a contractor.