Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable General Contractor Across Pomona
Finding the right General Contractor in Pomona means understanding the city’s older housing stock, tight historic lots, and the permitting maze that comes with them. Toolbox Contractors has worked across the 91767, 91768, 91769, and 91797 zip codes long enough to know that a Pomona remodel is rarely just a remodel – it’s a renovation layered onto a 1920s Craftsman or a 1960s stucco tract home, and we plan for that from day one. Our General Contractor team brings one point of accountability from the first permit drawing to the final walkthrough. We’re led by Norm Castellano, and we pick up the phone when you call. Reach us at (855) 382-3257.
Why Toolbox Contractors Is Pomona’s Preferred General Contractor Company
Pomona homeowners call us because we already know what we’re going to find behind the walls. In Lincoln Park and Wilton Heights, that often means knob-and-tube wiring, clay sewer lines, and additions or garage conversions done decades ago without permits. We quote accordingly. When a Pomona customer calls, we show up, walk the property, check the site access, and give a written line-item estimate that reflects what we actually saw – not a generic number pulled from a spreadsheet.
Our work in Pomona spans kitchens, baths, whole-home remodels, room additions, and ADU construction, and we use the same vetted brands across every phase. That means a homeowner replacing a roof with GAF shingles can also get KraftMaid cabinets in the kitchen and Schluter tile systems in the shower without coordinating three different companies. One contract. One crew. One point of accountability.
Norm Castellano built this company on a simple idea: a contractor who works inside and out, from cabinetry to roofing to fencing, removes the chaos that kills most renovation projects. Pomona homeowners working through historic overlay reviews or unpermitted past work especially appreciate having one person to call instead of five.
Styles & brands we work with







Residential General Contractor in Pomona
A Residential General Contractor in Pomona handles the full scope of a renovation or addition – structural work, framing, rough-in plumbing and electrical, finishes, and the permit close-out. Homeowners in Pomona typically bring us in when a project is too big to manage with separate specialists: a kitchen gut, a bathroom overhaul, a room addition off the back of a Craftsman, or a garage conversion into a rental unit. Depending on the scope, expect a home addition in Pomona to run $45,000 to $130,000, an ADU from $90,000 to $220,000, and a garage conversion between $30,000 and $80,000.
When the Scope Crosses Trades
Once a project touches structure plus finish work, it stops being a handyman job. A Pomona ADU build might start with foundation work, move into framing and roofing, then require a full kitchen and bath finish. That’s one permit, one schedule, and one contractor responsible for the whole thing. We plan the order of operations so inspections move fast and no trade waits on another.
Working on Century-Old Homes
Pomona’s 1910s – 1930s homes near downtown are beautiful, but they hide deferred maintenance. We’ve opened walls in Lincoln Park to find undersized framing and wiring that predates modern code. A residential general contractor who only does new construction will get blindsided by that. We plan for it, budget for it, and talk you through it before the demo hammer starts.
Hire a General Contractor in Pomona
When you hire a General Contractor in Pomona, you’re hiring someone to manage the permit office, the inspectors, the subs, and the supply chain for a lot that may be 50 feet wide with neighbors six feet away. That’s the reality Pomona homeowners deal with, especially in Wilton Heights where street parking is tight and a dumpster or material delivery can block a driveway in minutes. We plan ahead for staging, communicate work hours with neighbors, and keep the job site clean enough that people don’t mind living next to it. Home addition work in Pomona runs $45,000 to $130,000 depending on size, foundation conditions, and finish level.
Staging on a Tight Lot
On a Pomona lot with no side yard, every pallet of tile and stack of lumber has to have a place that won’t block access or annoy neighbors. We map the street and driveway before we schedule deliveries, and we don’t take delivery of materials until the phase that uses them is ready. That keeps the job moving and the neighborhood calm.
Historic Overlay Review
Parts of Pomona fall under historic overlay review for exterior changes. That means the window style, roof material, or even paint color on an addition can require design review before the permit is issued. We prepare the drawings to match the existing streetscape the first time, so a Pomona addition doesn’t stall in plan check for three extra weeks.
Trusted Brands We Service in Pomona
Pomona homeowners get real brand choices through Toolbox Contractors. On the exterior envelope, we install roofing systems from GAF, CertainTeed, and Owens Corning, plus PGT impact windows where wildfire defense and Santa Ana wind loading matter near the San Gabriel foothills. For siding and trim, James Hardie holds up in Pomona’s hot, dry summers. Inside, we build kitchens with KraftMaid or Wellborn cabinets, Cambria or Caesarstone countertops, and Kohler or Moen fixtures. We don’t push a single catalog; we bring the brand that fits your budget and your house.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Pomona Homes
- Unpermitted garage conversions: Pomona’s housing pressure pushed a lot of detached garages into living space without permits. When we pull a permit for an ADU or addition, the inspector checks that garage and finds the illegal wiring or plumbing – which triggers a change order mid-project.
- Tight-lot staging failures: Many Pomona lots have no side yard and street parking is limited. A contractor who doesn’t plan material delivery and dumpster placement will block a neighbor’s driveway and turn the job into a dispute before framing starts.
- Historic overlay rejections: In Lincoln Park and other historic core areas, exterior work like window replacement or roof material changes can require design review. Missing that review means a permit rejection and rework on drawings that already cost money.
- Santa Ana wind damage to roofs: Pomona sits where Santa Ana winds funnel down through the Pomona Valley. Older homes with original 1920s roof decking often need deck repair or replacement when a new roof goes on – not just new shingles over old sheathing.
Pricing for General Contractor in Pomona, CA
Pomona pricing reflects the age of the housing stock and the permit complexity that comes with it. A straightforward interior remodel on a 1960s tract home costs less than the same scope on a 1925 Craftsman with hidden deficiencies. Here are the ranges we see for bigger scopes in Pomona:
| Project Type | Pomona Price Range |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
What pushes a Pomona project toward the top of a range: foundation repair on a 100-year-old home, knob-and-tube rewire, sewer lateral replacement, or historic overlay design review. What brings it down: a newer tract home with clean access and an open floor plan. Every estimate we write is based on a site visit, and it’s free. Call (855) 382-3257.
We Also Serve Cities Near Pomona
Beyond Pomona, our crews work regularly in Pomona adjacent communities across the Pomona Valley. You’ll find us in La Verne, Claremont, Montclair, and Los Serranos, bringing the same full-scope approach to older homes and tight lots throughout the area. If you’re wondering whether we cover your street, call (855) 382-3257 and ask.
Serving Pomona, CA — Our Local Coverage Area
We’re based in the Pomona 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 General Contractor in Pomona
We map the street, driveway, and delivery route before the project starts, and we schedule material deliveries by phase so nothing sits on-site longer than it needs to. A dumpster on a Wilton Heights street can block a neighbor’s access, so we coordinate placement with the city and often plan for same-day delivery and pickup of bulky materials. The specific plan for your lot is part of the free estimate – call (855) 382-3257 and we’ll walk it with you.
On Pomona’s narrow lots, an addition often sits close to a neighbor’s wall, which triggers party-wall or setback review during permitting. We survey the actual boundary and check for encroachments before we draw plans, because moving a wall two feet after the foundation is poured is not a conversation anyone wants. Get a site walk on the calendar early – (855) 382-3257.
Yes. Many streets in Lincoln Park and the historic core require design review for exterior changes including additions, window replacement, roofing material, and paint color. We prepare drawings that match the existing streetscape and submit for review before structural permits, so a Pomona project doesn’t stall in plan check. Call (855) 382-3257 to find out if your block is in an overlay district.
We stop the affected phase, document what we found, bring in the right engineer or specialty inspector if the structure is involved, and work with the city to bring the work into code before we move forward. On a recent addition in Lincoln Park, our crew uncovered a garage conversion with knob-and-tube wiring and a sewer lateral tied without a permit. We paused the rough-in, brought in a structural engineer, and revised the plans with the city. It added two weeks and avoided a failed final inspection that would have blocked your certificate of occupancy. We keep the homeowner informed daily on discoveries like this, and the estimate always includes a contingency line for the unknown – call (855) 382-3257 for a quote built around your property’s history.
Pomona restricts construction noise to the city’s daytime work-hour window, generally starting around 7 AM on weekdays with weekend limits. We schedule loud phases like framing and concrete cutting within those hours, and we let neighbors know ahead of a noisy day when the project runs close to a shared wall. Ask us to bring a printed work-hour plan to your estimate – (855) 382-3257.
Written by Norm Castellano, Owner at Toolbox Contractors, serving Pomona and the surrounding communities.