Our SIPs Packages
Four factory-engineered ADU designs, ready to order. Each package delivers the complete thermal envelope for your new home — precision-cut and shipped to your lot.
Package price covers the SIPs shell only. Freight quoted by location. GC build-out available.
THE 4 PACKAGES
PACKAGE 1
The Capistrano Studio · 1 Bath · 395 sq ft Starting at $27,999 — package only
The most efficient way to add income or guest space to your property. The Capistrano’s compact SIPs envelope assembles in a single day and delivers a tight, quiet, energy-efficient shell ready for your finishes.
Best for: Backyard rental units · Guest suites · Home offices with overnight space
What’s included in the package: ✓ Factory-cut SIPs wall panels ✓ SIPs roof panels ✓ Integrated rigid insulation ✓ Splines, hardware & assembly drawings
The Catalina 1 Bed · 1 Bath · 495 sq ft Starting at $52,999 — package only
A full one-bedroom ADU in a package that ships to your site. More room than a studio, still compact enough for most California lots. The Catalina’s SIPs envelope delivers measurably better insulation and air-tightness than comparable stick-frame builds.
Best for: Long-term rentals · Multigenerational living · In-law suites
What’s included in the package: ✓ Factory-cut SIPs wall panels ✓ SIPs roof panels ✓ Integrated rigid insulation ✓ Splines, hardware & assembly drawings
PACKAGE 2
PACKAGE 3
The Sante Fe 2 Bed · 2 Bath · 1,200 sq ft Starting at $79,000 — package only
Serious square footage in a high-performance SIPs shell. The Sante Fe is built for families, long-term tenants, or anyone who needs room — two full bedrooms, two bathrooms, and continuous insulation throughout the entire envelope.
Best for: Family rentals · Long-term tenants · Multigenerational households
What’s included in the package: ✓ Factory-cut SIPs wall panels ✓ SIPs roof panels ✓ Integrated rigid insulation ✓ Splines, hardware & assembly drawings
The Rancho 3 Bed · 2 Bath · 1,200 sq ft Starting at $99,000 — package only
Three bedrooms in the same footprint as the Sante Fe — maximizing the density and rental income potential of your lot. The Rancho is our highest-output package for investors and property owners looking to get the most from their property.
Best for: Multi-tenant rentals · Maximum income potential · Investor properties
What’s included in the package: ✓ Factory-cut SIPs wall panels ✓ SIPs roof panels ✓ Integrated rigid insulation ✓ Splines, hardware & assembly drawings
PACKAGE 4
Compare Packages
| Capistrano | Catalina | Sante Fe | Rancho | |
|---|---|---|---|---|
| Size | 395 sq ft | 495 sq ft | 1,200 sq ft | 1,200 sq ft |
| Bedrooms | Studio | 1 | 2 | 3 |
| Bathrooms | 1 | 1 | 2 | 2 |
| Starting Price | $27,999 | $52,999 | $79,000 | $99,000 |
| Freight | Quoted by location — all of California | |||
| Assembly Time | ~1 day (typical) | |||
Prices are for the SIPs thermal envelope package only. Does not include freight, foundation, siding, roofing, windows, doors, interior walls, or fixtures. GC build-out services available.
Not sure which package fits your lot?
Call us at 760-688-7238 and we’ll help you figure out what your lot can support, which design makes sense, and what the full project would cost.
Ready to move forward?
Tell us your address, your package of interest, and whether you need GC build-out services.
Want us to handle everything? We offer complete GC build-out services across Southern California.
Common Questions
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No — foundation design and pour are site-specific and not included. We can advise on what foundation type suits your design and local soil conditions, and include it in a full GC quote.