ADU Construction Β· Upland, CA
ADU Construction in Upland, CA
Detached ADUs, garage conversions, and junior ADUs in Upland. Plans drawn, permits pulled, built to code by a licensed crew.
Book Free Estimate- CSLB #1140501
- Licensed & Insured
- 5.0 β Google
- Locally owned in Fontana
Why Upland homeowners pick E-Z Contracting
Real licensing, real warranties, real crews β not a middleman with a clipboard.
Local & Licensed
CSLB #1140501, locally owned and run out of Fontana. We answer the phone and stand behind our work in writing.
Free Written Quote
Detailed line-item quote within 48 hours. The price you sign is the price you pay β no surprise change orders.
One Point of Contact
Licensed, insured trade pros on every job, managed by us start to finish. You deal with one person the whole way.
Permits Done Right
We pull permits with the city, schedule inspections, and hand you signed-off paperwork. Resale stays clean.
How adu construction works in Upland
Four steps from first call to final walk-through. In writing.
Free Estimate
Book online or call (909) 565-9487. We come to your Upland home, measure, and listen β no charge, no pressure.
Written Quote
Detailed line-item quote in writing within 48 hours. Materials, labor, timeline β all spelled out.
Permits & Build
We pull Upland permits, order materials, and build with our own licensed crew. Foundation, framing, MEP, finish β all in-house licensed crew.
Walk-Through & Warranty
Final walk-through, punch list closed, written warranty in your hand.
Recent ADU build projects
Real Upland-area work. Real photos. Real customers.

ADU Construction FAQs Β· Upland
Most Upland ADUs run $90Kβ$220K depending on square footage, finish level, and whether it is detached vs. attached. Written line-item quote.
How long does a Upland ADU build take?
Detached ADU from permit to final inspection: 5β8 months typical. Garage conversion: 3β5 months. Permitting timeline depends on the city.
What size ADU can I build in Upland?
California state law allows up to 1,200 sq ft for a detached ADU on most lots, plus a junior ADU up to 500 sq ft. Upland may have additional setback or height rules β we check the city code before quoting.
Do I need plans drawn?
Yes β we draw architectural plans, structural plans, Title 24 energy compliance, and submit the full package to the city for permit. All included in our scope.
Can you finance an ADU?
We do not provide financing directly, but we can refer you to local credit unions and HELOC lenders that specialize in ADU construction loans.
Do you handle utility hookups?
Yes β water, sewer, gas, and electrical sub-panel from main house or new service. Included in the scope.
ADU Construction across the Inland Empire
We also serve: Fontana Β· Rancho Cucamonga Β· Ontario Β· Rialto Β· San Bernardino Β· Colton Β· Chino
Ready to start your Upland ADU build?
Free written estimate within 48 hours. Most projects start within 2β4 weeks of signing.
Book Free Estimate