A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Chino, CA
Chino is one of the most ADU-friendly cities in Southern California right now, and it comes down to land. The city’s older ranch homes and newer tract houses sit on lots that routinely run 7,000 to 10,000 square feet, which gives a backyard accessory dwelling unit room to breathe. Combined with Chino’s proactive ordinance allowing detached units up to 1,200 square feet on any residential lot with an existing single-family home, homeowners here can realistically add a rental unit, a guest house, or a home office without fighting the city on square footage. Call (831) 292-4191 for a free estimate on your Chino property.
Why Chino Homes Are Different
Chino’s housing stock splits into two distinct eras, and each one shapes an ADU project differently. The older ranch-style homes from the 1950s through the 1970s, concentrated around Old Chino and the historic downtown grid, often still carry original 100-amp electrical panels. An ADU with a small kitchen and mini-split HVAC can push that panel past its limits, which means a panel upgrade frequently becomes part of the build. These older lots also tend to have mature trees close to the rear property line, triggering setback adjustments and, in some cases, percolation tests if a septic system is involved.
The newer tract developments from the 1990s and 2000s, especially in the Preserve area, bring a different set of rules. HOA design review can add four to six weeks to the approval timeline, and some HOAs restrict exterior finishes or roof materials. Both old and new Chino homes share one climate reality: summers push past 100°F regularly. An ADU here needs real insulation in the walls and attic, plus a cooling system sized for a space that will bake in the afternoon sun. Santa Ana winds in the fall also mean the roof and wall connections need to be anchored properly, not just nailed to code minimums.
Our Main Chino Services
Most Chino homeowners come to us for one of three things: a full backyard ADU, a garage conversion, or a home addition that expands the existing footprint. Each has its own page with Chino-specific pricing, timelines, and permit details.
Home Addition Contractor in Chino
A home addition in Chino often means extending a 1950s ranch outward to create a master suite or a larger kitchen. The local wrinkle here is foundation work: older Chino slabs may need soil testing before the city will sign off on the addition permit, and block foundations on some of the older homes need seismic strapping to meet current code. We handle the full scope, from architectural drawings to final inspection. Here’s the full breakdown of what a Home Addition Contractor in Chino covers, including Chino permit timelines.
Garage Conversion Contractor in Chino
Chino garages from the ranch-home era are often detached and generous in size, which makes them strong candidates for conversion into a studio or one-bedroom unit. The common hurdles are the slab (many older Chino garage slabs were poured without a vapor barrier) and the electrical service, which usually needs a subpanel run from the main house. We walk through the city’s setback and parking requirements before any drawings are finalized. Here’s what to expect from a Garage Conversion Contractor in Chino, with local cost ranges.
ADU Builders in Chino
Detached ADUs are where Chino’s lot sizes really pay off. The city’s 1,200-square-foot allowance for detached units means we can build a proper two-bedroom backyard home, not just a studio shed. The biggest Chino-specific factors are panel capacity, rear-yard setbacks in older neighborhoods, and HOA review in newer communities. We can go with stick-built or a prefab system depending on your budget and timeline. Here’s what separates a good ADU Builders in Chino team from the rest, including real Chino price ranges.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Chino
We work with several established prefab ADU manufacturers, including Abodu, Cover, and Mighty Buildings, matching the right system to your lot and budget. Parts and materials for these systems are available through local Inland Empire suppliers, which keeps turnaround reasonable. See our brands page for more detail on how we select a system.
Pricing for ADU Company in Chino, CA
| Service | Typical range in Chino |
|---|---|
| Detached ADU (stick-built, 400 – 800 sq ft) | $180,000 – $320,000 |
| Detached ADU (prefab, 400 – 800 sq ft) | $140,000 – $250,000 |
| Garage conversion (studio) | $85,000 – $140,000 |
| Garage conversion (one-bedroom) | $110,000 – $175,000 |
| Home addition (200 – 400 sq ft) | $90,000 – $160,000 |
| Home addition (400 – 700 sq ft) | $160,000 – $260,000 |
| Electrical panel upgrade (if needed) | $3,500 – $6,000 |
| Foundation retrofit (older ranch homes) | $8,000 – $25,000 |
| HOA review and documentation | $500 – $1,500 |
In Chino, the biggest price movers are panel upgrades on 1950s – 70s ranch homes, foundation work on older slabs, and HOA review fees in the Preserve and other master-planned communities. Every quote we give is a written, line-item price before any work begins, and that price does not change at the door.
Neighborhoods We Serve in Chino
We work across the full Chino footprint, from the historic grid streets of Old Chino to the newer subdivisions of the Preserve and everything in between. Our crews coordinate from the Inland Empire office and typically schedule Chino estimates within a few business days.
- Old Chino (downtown grid, 1950s – 70s ranch homes)
- The Preserve (master-planned community with HOA review)
- College Park (near Chaffey College, mixed housing stock)
- Chino Meadows (1980s – 90s tract homes, large lots)
- Butterfield Ranch (south Chino, newer construction)
Service Area – Cities Near Chino
We also serve homeowners in the communities around Chino, including Mira Loma, CA, Ontario, CA, Montclair, CA, and Upland, CA. Each city has its own permit process and lot patterns, and we handle that paperwork as part of the job.
Serving Chino, CA - Our Local Coverage Area
We’re based in the Chino area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About ADU Company in Chino
Chino’s planning department typically reviews a complete ADU application in 30 to 60 days, assuming no major revisions are requested. HOA communities like the Preserve can add several more weeks for design review. We submit the full permit package on your behalf and track it through approval. Call (831) 292-4191 and we’ll walk you through the expected timeline for your specific property.
If your home is in a master-planned community with an active HOA, yes, you’ll need design review approval before the city will issue a building permit. Older Chino neighborhoods generally have no HOA layer. We prepare the submittal documents in the format each association requires. Call (831) 292-4191 for an estimate that includes any HOA documentation work.
Many 1950s – 70s Chino ranch homes still have 100-amp panels, and an ADU with a small kitchen and cooling system will often require an upgrade to 200 amps. We check panel capacity during the free estimate and include any upgrade in the written price up front, so there are no surprise line items later. Call (831) 292-4191 to schedule a walkthrough.
If you’re considering an ADU, garage conversion, or home addition in Chino, the next step is a free estimate with a written price. Call Lodgewick ADU Riverside at (831) 292-4191 and we’ll come out, look at your lot, and put the numbers in writing before you commit to anything.
What happens when you call
- 1A real person answersNo phone trees - talk to a local adu pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Chino Customers Say
"Added a suite for my dad. They walked us through every cost before a hammer swung and stuck to it. The written price is what we paid, no change orders."
- Ingrid Salazar"Quality work on a home addition. It did run a few weeks longer than the original estimate, mostly waiting on the city for inspections, which they explained. The build itself was done right."
- Marcus Delgado"Garage conversion into a studio for our teenager. Honest about what was realistic and what wasn't, finished close to schedule, and cleaned up the site daily."
- Marcus Beaumont
