You love your house, your street, your neighbors — you just need more of the house. Maybe it's a bedroom for a growing family, a real primary suite, a bigger kitchen, or a family room that finally opens onto the backyard. Moving means starting over somewhere else. Adding on means staying put and getting exactly what you want. New Generation Construction builds home additions from the ground up for Riverside homeowners, working one-on-one with you from the first sketch to the last coat of paint. Licensed contractor, CSLB 910999.
What a home addition involves
A home addition is real construction, not a cosmetic remodel, and we treat it that way. The work starts with your existing structure: where the walls carry load, where the plumbing and electrical runs are, how the roofline ties together, and how much of your lot the city will let you build on. From there we develop a plan and get it through permitting with the City of Riverside or your county jurisdiction.
Once permits are in hand, the sequence is straightforward but exacting. We excavate and pour footings and a slab or set a raised foundation. We frame walls and roof, tie the new roof into the old one so the water sheds correctly and the lines look intentional, then sheath and dry it in. Rough plumbing, electrical, and HVAC go in next, followed by inspections at each stage. Then insulation, drywall, exterior stucco or siding to match the existing house, windows and doors, flooring, trim, paint, and fixtures.
Matching matters. A good addition doesn't look added on — the stucco texture, roof pitch, eave detail, and window style should read as original. That's the part that separates careful framing and finish work from a box stuck on the back of a house.
Why New Generation Construction for your home addition
- A licensed contractor with a real license number. CSLB 910999. Structural work on your home should be permitted, inspected, and built by a licensed and insured company that will still be around after the final walkthrough.
- Ely Ramos, the owner, is personally involved. You talk directly to the man whose name is on the license — not a salesperson who hands you off. He's available throughout the project to answer questions and clarify anything about the work.
- We specialize in additions from the ground up. Foundation, framing, roof tie-in, finishes — this is core work for us, not a side offering.
- Premium materials from reputable manufacturers. We work with vendors who stand behind their products, and we don't downgrade materials to shave a bid.
- One crew, one point of accountability. We finish what we start rather than disappearing between trades.
- We build the outside too. Additions often open onto a new patio, deck, or hardscape. We handle patio covers, pavers, and landscape, so the transition from the new room to the yard is designed as one project.
Our home addition process
- Phone call and site visit. We come out, walk the property, look at the existing structure and setbacks, and listen to what you're picturing. If you're not sure what's possible in your space, this is where we tell you.
- Design and scope. We develop a plan and layout for the addition, including how it ties into the existing roofline, electrical, and plumbing, and where the new room connects to the rest of the house.
- Written proposal. A detailed scope with the materials specified, so you can see exactly what you're buying and compare it honestly against any other bid.
- Plans and permits. We prepare the drawings and shepherd them through your local building department.
- Foundation and framing. Excavation, footings, slab or raised floor, then framing, roof tie-in, and dry-in.
- Rough trades and inspections. Plumbing, electrical, mechanical, then insulation and drywall — with inspections signed off at each stage.
- Finishes and walkthrough. Exterior to match, flooring, trim, paint, fixtures. We walk it with you and handle the punch list before we call it done.
What a home addition typically costs
Home additions are priced by square footage and complexity, and the range is wide because no two houses are the same. Estimates depend on the size of the addition, whether it's a slab or raised foundation, how difficult the roof tie-in is, whether you're adding a bathroom or kitchen (plumbing and electrical drive cost quickly), the grade of finishes you choose, and what the site access looks like for equipment and materials.
Costs go up with second-story work, complex rooflines, structural modifications to the existing house, and utility upgrades like a larger electrical panel. Costs come down with simple rectangular footprints, single-story slab construction, and keeping wet rooms near existing plumbing.
Our proposals include plans, permits, structural work, and the finish scope we've specified together. We won't be the cheapest bid you get — we build with premium materials and licensed, experienced labor, and that shows up in the number. Call us for a free on-site estimate and we'll walk you through exactly where the money goes.
Service areas we cover
- Riverside
- Moreno Valley
- Corona
- Jurupa Valley
- Norco
- Eastvale
- Redlands
- Rancho Cucamonga
- Fontana
- Perris
Frequently asked questions
Do I need a permit for a home addition in Riverside?
Yes. Any addition that expands the footprint or conditioned space of your home requires permits and inspections. We prepare the plans and handle the permit process with your local building department as part of the project.
How long does a home addition take?
Timelines vary with size and permitting. Design and plan approval typically takes the longest and is largely out of our hands; construction itself runs on a schedule we set with you at the start. We'll give you a realistic timeline in the proposal rather than an optimistic one.
Can I live in the house during construction?
In most cases, yes. Additions are usually built outside the existing envelope, so we only cut into the house when we're ready to connect. We'll tell you upfront which days will be loud and dusty and when utilities may be briefly interrupted.
Should I build an addition or an ADU?
An addition expands your existing home; an ADU is a separate living unit with its own kitchen, bath, and entrance. If you need more room in your daily living space, add on. If you need housing for family or a rentable unit, an ADU may be the better fit. We build both and will give you a straight answer on your lot.
Why is your quote higher than the other bids I received?
Usually because of what's in the scope — permitted structural work, premium materials from manufacturers who back their products, licensed and insured crews, and a company that will still be here after the job. We'll gladly go line by line with you so you can compare like for like.
Can you match the exterior of my existing house?
That's the goal on every addition. We match stucco texture, roof pitch and material, eave details, and window style so the new space reads as part of the original home.
Ready to talk about adding on? Call New Generation Construction at +17142968788 for a free on-site estimate on your Riverside home addition. Our office is open Monday through Friday, 8 a.m. to 5 p.m., and project managers are available by phone on weekends. Tell us what you're picturing — simple or extraordinary — and we'll tell you honestly what it takes to build it.