ADU Specials in Chino Hills, CA
We don’t run flash sales or countdown timers. The offers you’ll find here are standing commitments we’ve kept since Nadia Ellery opened the studio in 2015 - honest value for Chino Hills homeowners who are serious about adding an ADU. Call (951) 456-4467 to ask which offers apply to your project, or read on to see what’s currently available.
Current Offers
Free Second Opinion on Any Written Estimate
Already have a written estimate for an ADU design, garage conversion, or detached unit in Chino Hills? Bring it to us. We’ll review the scope, the line items, and the permit strategy - no charge, no obligation to hire us. We’ve caught $8,000-$15,000 gaps in competitor quotes on Sleepy Hollow projects alone, usually around utility tie-in assumptions the original estimator never walked.
Valid through December 31, 2026. Mention this offer when you call (951) 456-4467.
Written Price Guarantee - No Estimate Required to Start
Every Chino Hills ADU project we take gets a written, line-item price before any work begins. That’s Haven Standard Clause 1, not a seasonal promotion. But if you’ve been burned by a “call for pricing” shop before, we’ll double down: we’ll document your quote in writing within 48 hours of our site visit, or we’ll credit $200 toward your permit fees. This applies to garage conversions in Rolling Ridge, detached ADUs near English Springs Park, and everything between.
Valid through December 31, 2026. Mention this offer when you call (951) 456-4467.
365-Day Done Right Promise - Extended Documentation Package
Our standard warranty already covers defects in workmanship for a full year. For projects booked through December 2026, we’re adding a complete as-built photo archive and a written punch-list sign-off sheet, both delivered at final inspection. In Chino Hills, where the city inspector’s availability can stretch timelines, having dated photo evidence of every phase keeps your project file clean if questions come up six months later.
Valid through December 31, 2026. Mention this offer when you call (951) 456-4467.
Prefab & Modular Coordination - No Upcharge for Brand Management
Specifying a Dvele, Abodu, Cover, Mighty Buildings, Boxabl, Plant Prefab, Tuff Shed, or James Hardie system for your Chino Hills ADU? We coordinate factory delivery, crane scheduling, and local foundation/utility tie-in under our standard design-build contract. No separate “prefab management fee,” no finger-pointing if the box arrives and the slab isn’t ready. We’ve done this on 40+ units in San Bernardino County since 2019.
Valid through December 31, 2026. Mention this offer when you call (951) 456-4467.
Senior & Military Courtesy on Permit Expediting
Chino Hills homeowners 65+ or active-duty military and veterans receive complimentary permit expediting services on any ADU project we design and build. That means we handle the Chino Hills Community Development counter runs, the resubmittals when the planner asks for one more dimension, and the follow-up calls - time we’d normally bill at $85/hour. Your project moves at the same pace; your involvement doesn’t.
Valid through December 31, 2026. Mention this offer when you call (951) 456-4467.
Documented Photo Record - Complimentary on Every Visit
This isn’t a discount; it’s a standard we elevate for Chino Hills clients who mention this page. Every site visit, every inspection, every change order discussion gets photographed and uploaded to your project folder. You’ll see the existing garage slab before we cut it, the rebar pattern before the pour, and the electrical panel before we pull the permit. No summary of how it felt - just evidence of what was found and what was done.
Valid through December 31, 2026. Mention this offer when you call (951) 456-4467.
How to Redeem
Step 1: Call and mention the offer. Dial (951) 456-4467 and tell us which special caught your attention. A live person answers 24/7 - no voicemail queue, no callback that doesn’t materialize.
Step 2: Book your site visit. We’ll walk your Chino Hills property, take measurements, and talk through your goals. Most visits happen within a week of calling.
Step 3: Present at signing. Mention the offer again when you approve your written quote. We’ll apply it to your project documentation before work starts.
Before
AfterWhat These Offers Don’t Cover
We don’t discount the work itself below what it costs to do right. No “50% off permits” that leaves you with a rejected application. No “free design” that turns into a change-order avalanche. Every offer on this page is a real service we already perform, made explicit so you know what you’re getting.
If you’re comparing us to a Chino Hills competitor who won’t put their price in writing, start with the Free Second Opinion. We’ll show you what their estimate actually includes, and what it doesn’t.
Written by Nadia Ellery, Owner at Ellery ADU Studio Chino Hills, serving Chino Hills since 2015.