Custom homes, remodels, additions, ADUs, and general contracting across the Inland Empire.
Full-service contractor management on builds, remodels, and additions of any size. Owner-led project management, written change orders, vetted trade coordination, and quality control end to end. The right service if you have a complex project and need one accountable person owning all of it.
Standard: $250–$350/sqft · Luxury: $800–$1,250/sqft · Timeline: 4–14 months
Ground-up custom homes designed around how you actually live. From lot evaluation through design through permits through build. Modern, Spanish, traditional, ranch, hillside, view-lot, multigenerational — any style your property and lifestyle call for.
Standard: $250–$350/sqft · Luxury: $800–$1,250/sqft · Timeline: 10–14 months from groundbreak
Kitchen, bath, and whole-home renovations. Jobsite protection from day one, sequenced selections so the schedule holds, and the same warranty as our new builds. The right service if you're staying in your home and improving what's already there.
Kitchen: $60K–$180K (8–12 wks) · Bath: $25K–$75K (4–8 wks) · Whole-home: $250–$350/sqft (4–6 mo)
Bedroom additions, master suite expansions, second-story builds, kitchen extensions, multi-room additions. Built so the new part of your home looks like it was always there — matched stucco, paint, trim, roof pitch, and windows.
Cost: $300–$500/sqft of new space · Timeline: 3–6 months from groundbreak · Permits handled
Detached cottages, attached suites, garage conversions, over-garage suites. Pre-approved plans or fully custom designs. Code-compliant under California's ADU law, integrated with your existing home, and built for rental income, family, or your own use.
Cost: $150K–$300K+ · Size: 400–1,200 sqft · Timeline: 6–9 months from permit
| Service | Typical Cost | Timeline | Warranty |
|---|---|---|---|
| Custom Home (Standard) | $250–$350/sqft | 4–6 months from groundbreak | 2 years |
| Custom Home (Luxury) | $800–$1,250/sqft | 10–14 months from groundbreak | 5 years |
| Whole-Home Remodel | $250–$350/sqft | 4–6 months | 2 years |
| Kitchen Remodel | $60,000–$180,000 | 8–12 weeks | 2 years |
| Bath Remodel | $25,000–$75,000 | 4–8 weeks | 2 years |
| Home Addition | $300–$500/sqft new space | 3–6 months from groundbreak | 2 years |
| ADU Build | $150,000–$300,000+ | 6–9 months from permit | 2 years |
| Design & Pre-Construction | $3,000–$10,000 | 4–16 weeks | — |
Final pricing depends on your specific lot, structural conditions, finish level, and design complexity. The free 15-minute Discovery Call is where we narrow these ranges to a realistic number for your project — before any contract gets signed.
Whatever service you need, the underlying process is the same:
Quick phone consultation. You tell us what you're building. We tell you whether we're the right fit, what a realistic budget range looks like, and what the next step is.
We come to your property, take measurements, talk through scope, and provide a realistic budget range. Lot, permit, and structural realities all get evaluated.
For builds, remodels, and additions, we move into a design phase. Plans, engineering, materials, and a fixed scope of work get locked down here — so when construction starts, the budget and timeline are real numbers.
Work begins. Weekly on-site walkthroughs, daily updates through Houzz Pro, one point of contact (the owner), and a clean, protected jobsite.
Final walkthrough, professional cleanup, written warranty, certificate of occupancy, and a clear punch list closeout.
We serve homeowners across the Inland Empire. Primary markets:
Canyon Crest, Wood Streets, Mission Grove, Orangecrest, La Sierra, Magnolia Center, Arlington Heights
Alta Loma, Day Creek, Etiwanda, Victoria Gardens
Wolf Creek, Paloma del Sol, Redhawk, Vail Ranch
Also serving: Corona, Murrieta, Moreno Valley, and most of the Inland Empire within a 45-minute drive of Riverside.
A remodel improves what already exists — same footprint, better layout/finishes/function. An addition adds new square footage to the existing home (extra rooms, second story, kitchen expansion). Most renovation projects involve both: remodel the existing kitchen AND add new square footage for a dining room, for example.
An addition is integrated with your existing home — same roof, same utilities, same address. An ADU (Accessory Dwelling Unit) is a separate, fully independent dwelling on your property with its own kitchen, bathroom, and entry. ADUs are designed for rental income, family members, or fully separate living space. Additions extend your house; ADUs add a second unit on your lot.
For single-trade projects (a paint job, a roof replacement, an electrical panel upgrade), you can often hire a single qualified specialist. For anything involving multiple trades coordinating in sequence — kitchen remodels, additions, builds — a general contractor is the right call. The GC manages scheduling, permits, change orders, quality control, and is the single accountable party if something goes wrong. JJ Builders is your GC for any project that involves more than one trade.
Start with the “Not sure which service you need?” section above, or schedule the 15-minute Discovery Call and tell us what you’re hoping to do. We’ll route you to the right service — even if it’s not one we offer (in which case we’ll tell you who to talk to).
Wide range, by design — we serve standard and luxury projects:
Standard tier: $250–$350/sqft for builds and whole-home remodels; $25K–$180K for individual kitchens and baths; $150K–$300K+ for ADUs
Luxury tier: $800–$1,250/sqft for builds and high-end remodels
The Site Visit narrows this range to a real number for your specific project, lot, and finish level.
Add 6–16 weeks for design and permits depending on complexity and city.
Yes — every permit and inspection is handled end to end by JJ Builders. We prepare plans, submit to the appropriate city (Riverside, Rancho Cucamonga, Temecula, or wherever your project is), respond to plan-check comments, coordinate inspections, and obtain certificate of occupancy at closeout.
Primary markets: Riverside, Rancho Cucamonga, Temecula. Also serving: Corona, Murrieta, Moreno Valley, and most of the Inland Empire within a 45-minute drive of Riverside. If you’re not sure whether your address falls in our service area, just ask — we’ll confirm on the Discovery Call.
