Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Before
After
Before
After
Before
AfterConstruction in Downey, CA
Kitchen remodeling in Downey typically costs $14,000-$45,000 for a full project, and most jobs take 6-10 weeks from first tear-out to final walkthrough. What makes Downey work different is the housing stock itself: roughly 60-70 year-old stucco ranch homes on slab foundations, built in a tight postwar window that means every third house on the block has the same original footprint, the same aging 100-amp panel, and the same low-pitched roof. If you’re planning construction in Downey, call (470) 298-9650 for a written price before anyone picks up a tool.
Why Downey Homes Are Different
Downey’s identity as the heart of Southern California’s mid-20th-century aerospace industry, home to North American Aviation and the Apollo program, drove a concentrated wave of tract-home construction in the 1950s and 1960s to house tens of thousands of aerospace workers. That single-era building boom means contractors today face an unusually uniform cohort of aging homes all hitting 60-70 years old simultaneously. The dominant stock is post-WWII stucco ranch homes built on concrete slab foundations between roughly 1948 and 1972, with characteristic low-pitched roofs, original single-pane aluminum-frame windows, and aging 100-amp electrical panels.
Sitting on the flat alluvial plain of the Los Angeles Basin, roughly 12-15 miles from the coast, Downey regularly runs 8-12°F hotter than Long Beach during summer and takes the full force of Santa Ana wind events. That heat accelerates exterior stucco cracking and drives demand for cool-roof systems, while the wind tests every window seal and roof edge. Because so much of Downey was built under California codes that predated the 1971 Sylmar earthquake standards, contractors pulling permits for additions or garage conversions frequently uncover un-bolted mudsills and cripple walls with no shear panels. Downey’s building department now routinely flags mandatory retrofit work as a condition of addition permits, which changes both the scope and the honest price of any structural project here.
Our Main Downey Services
Two services get the most calls from Downey homeowners, and both have their own dedicated pages with local pricing and details.
Fence Installation in Downey
Fence work in Downey usually means replacing the original redwood or chain-link boundary fencing that went in with the tract homes, or building privacy fences on deeper lots. The flat terrain keeps most jobs straightforward, but the stucco-and-slab construction of the homes means posts often need to be set against concrete walkways or driveways rather than open soil, which changes the footing approach. Vinyl fence installation runs $3,500-$9,000 and aluminum fence installation $4,000-$10,000. See the full breakdown on our Fence Installation in Downey page.
Driveway & Pavers in Downey
Driveways in Downey’s postwar tracts were poured as narrow, single-car concrete strips, and sixty years of root pressure from mature street trees plus the basin’s expansive clay soil has left many of them cracked and heaved. Paver driveway installation runs $7,000-$18,000, concrete driveway installation $4,500-$12,000, and paver patio installation $3,500-$11,000. Details and local conditions are on our Driveway & Pavers in Downey page.
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.
BeforeAfterKitchen Remodeling in Downey
Kitchen remodeling in Downey means working inside a 1950s or 1960s ranch footprint: original walls that were built as enclosed galley kitchens, slab foundations that make moving plumbing lines a concrete-cutting job, and electrical panels that rarely support today’s appliance loads. A full kitchen remodel here runs $14,000-$45,000 and almost always includes a panel evaluation, because the original 100-amp service in these homes predates the era of double ovens and induction cooktops. Our Kitchen Remodeling process starts with a written flat price and a written scope, before any wall comes down.
Full Kitchen Remodeling
Signs you need it
The galley layout no longer works for how you cook, the cabinet boxes are particleboard that has swollen from decades of moisture, and the floor plan cannot accommodate a second cook or guests.
What it costs in Downey
A full kitchen remodel in Downey runs $14,000-$45,000 depending on cabinet grade, countertop material, and whether walls or plumbing move.
How we do it
We document the existing conditions with photos, remove finishes to expose framing and plumbing, run new circuits and supply lines to code, set cabinets and countertops, and finish with tile, trim, and a written closeout package that includes every signed change order.
Cabinets & Countertops
Signs you need it
Drawer fronts are delaminating, hinges have torn out of the particleboard, or the countertop has burn marks, deep scratches, or a seam that has opened and will not stay closed.
What it costs in Downey
Cabinet installation runs $4,000-$13,000 and countertop installation $2,000-$6,500, with brands like KraftMaid, Wellborn, Cambria, and Caesarstone priced in writing.
How we do it
We measure to the wall condition we find, order from vetted brands rather than whatever is on sale, and install with laser-leveled lines so the countertop fabricator templates against a true surface.
Backsplash, Tile & Flooring
Signs you need it
Grout has cracked along the range wall, tiles have popped from heat cycling, and the original 60-year-old sheet flooring is lifting at the edges.
What it costs in Downey
Backsplash installation runs $800-$2,500, with kitchen island installation at $3,000-$10,000 if the project includes one.
How we do it
We remove the old surface to check the substrate, float or backer-board as needed, set tile with spacers and leveling clips, and document the membrane and setting bed with photos before grout goes in.
What Kitchen Remodeling Costs in Downey
| Item | Typical range in Downey |
|---|---|
| Small kitchen remodel | $9,000-$20,000 |
| Full kitchen remodel | $14,000-$45,000 |
| Cabinet installation | $4,000-$13,000 |
How long does a kitchen remodel take in Downey?
Most full kitchen remodels in Downey take 6-10 weeks once cabinets are ordered and permits are in hand. Slab foundation work, panel upgrades, and the mandatory cripple-wall retrofit that often surfaces during permits can add 1-2 weeks. Call (470) 298-9650 for a written schedule alongside your written price.
Why do Downey kitchen remodels cost more than nearby cities?
The cost difference is driven by the age cohort: 100-amp panel upgrades, slab cutting for plumbing moves, and pre-1971 seismic retrofit conditions are common here in a way newer cities don’t see. These are documented line items, not surprises. Call (470) 298-9650 for an exact quote, estimates are free.
Bathroom Remodeling in Downey
Bathroom remodeling in Downey usually starts the same way: a 5-by-8 original bathroom with a cast-iron tub, a single vanity, and a window that has been painted shut since the 1980s. These homes share the same aging slab plumbing and 100-amp panels as the kitchens, and the price range is $9,000-$28,000 for a full remodel. Our Bathroom Remodeling work starts with a written flat price covering every fixture and finish before demolition begins.
Walk-In Showers & Shower Remodeling
Signs you need it
The original tub surround tiles have lost grout and the wall behind them is soft, or the shower pan is cracked and water is staining the ceiling below.
What it costs in Downey
Walk-in shower installation runs $4,500-$12,000 and shower replacement $3,000-$8,500, including the waterproof membrane that these slab homes require.
How we do it
We remove the old surround to inspect the framing, replace any water-damaged studs, install a bonded waterproof membrane rather than relying on tile and grout alone, and set a properly sloped pan before tile goes in.
Tub-to-Shower Conversion
Signs you need it
The cast-iron tub is stained, chipped, or too low to use safely, and the bathroom cannot fit both a tub and a larger shower.
What it costs in Downey
Tub-to-shower conversion in Downey runs $3,500-$10,000, depending on whether the drain line has to move in the slab.
How we do it
We remove the tub, assess the drain location and slab condition, relocate plumbing if the layout needs it, then build the new shower with a code-compliant valve, grab blocking, and a documented water test before finish tile.
What Bathroom Remodeling Costs in Downey
| Item | Typical range in Downey |
|---|---|
| Small bathroom remodel | $5,000-$12,000 |
| Full bathroom remodel | $9,000-$28,000 |
| Bathroom vanity installation | $800-$3,000 |
Will my Downey bathroom remodel require a plumbing permit?
Yes, any job that moves a drain, waste, or vent line, or changes the shower valve, requires a Downey plumbing permit. We pull the permit, schedule the inspection, and include the documentation in your closeout package. Call (470) 298-9650 for a written scope that names every permit line.
Do Downey slab foundations make bathroom remodels harder?
Yes. Moving a toilet or shower drain in a slab means cutting concrete, which adds labor and dust control but is routine work here. We price it as a named line item in the original quote, not as a change order later.
Roofing in Downey
Roofing in Downey means dealing with the low-pitched, original composition shingle or rolled roofs on postwar ranch homes, now at the end of their service life after 25-30 years. Downey’s inland heat runs 8-12°F hotter than beach cities and Santa Ana winds test every ridge and eave, so roof replacement here runs $8,000-$20,000. Our Roofing work is priced in writing, including tear-off, underlayment, and the specific shingle or cool-roof product named in the scope.
Roof Repair
Signs you need it
You have a leak that shows as a ceiling stain after rain, shingles lifted along the eaves after a Santa Ana event, or granule loss collecting in the gutters.
What it costs in Downey
Roof repair in Downey runs $400-$1,800, with tile roof repair at $600-$2,500 where original clay or concrete tile is involved.
How we do it
We inspect the deck and underlayment, document what we find with photos, replace only the damaged sections with matched or compatible materials, and seal all penetrations before leaving.
Roof Replacement & Installation
Signs you need it
The roof has two or more shingle layers (common in these tracts where roofs were overlaid rather than torn off), widespread granule loss, or visible deck damage at the eaves.
What it costs in Downey
Roof replacement in Downey runs $8,000-$20,000, with metal roof installation at $15,000-$40,000 where a homeowner wants a cool-roof system.
How we do it
We tear off to the deck, replace any rotted sheathing, install new underlayment and ventilation, then set the named shingle or metal product with a documented photo record of every layer.
What Roofing Costs in Downey
| Item | Typical range in Downey |
|---|---|
| Roof repair | $400-$1,800 |
| Roof replacement | $8,000-$20,000 |
| Metal roof installation | $15,000-$40,000 |
Does Downey require cool-roof materials on replacements?
Downey falls under California Title 24 energy standards, which require cool-roof ratings on most new residential roof replacements. We name the specific compliant product in your written scope so there is no confusion at inspection. Call (470) 298-9650 for a roof assessment and written price.
How many layers of shingles are legal on a Downey roof?
California building code allows a maximum of two shingle layers, but Downey’s 60-year-old tract homes often already have two, which forces a full tear-off. We check the layer count during the estimate and write the tear-off into the flat price, never as a mid-job change order.
Windows & Doors in Downey
Window replacement in Downey usually means pulling out the original single-pane aluminum-frame windows that went into these tract homes between 1948 and 1972. They conduct heat, their seals are dead, and the stucco surrounds often hide dry-rotted framing at the sills. Full window replacement runs $4,500-$15,000, and our Windows & Doors crew prices the exact product line by name before ordering.
Window Replacement
Signs you need it
Condensation forms between the panes, the frames are pitted or the tracks are bent, and rooms facing the afternoon sun in Downey’s inland heat never cool down.
What it costs in Downey
Window replacement in Downey runs $4,500-$15,000 for a typical ranch home’s complement of windows.
How we do it
We measure each opening, pull the old window to inspect the rough opening and flashing, repair any rotted framing, and set the new window with new flashing and a documented photo record before trim goes back on.
Impact Windows & Doors
Signs you need it
You want a door or window that will not fail during Santa Ana wind events, or you are replacing a slider or French door on the windward side of the house.
What it costs in Downey
Impact window installation runs $8,000-$25,000 depending on the number of openings and the product line specified.
How we do it
We order the rated impact product from the manufacturer’s published line, install to the manufacturer’s wind-load detail, and provide the paperwork that proves the rating is real.
What Windows & Doors Costs in Downey
| Item | Typical range in Downey |
|---|---|
| Window replacement | $4,500-$15,000 |
| Impact window installation | $8,000-$25,000 |
| Door installation | $800-$3,000 |
Do original Downey windows need full replacement or can they be repaired?
Original aluminum single-pane windows can sometimes have their seals and hardware replaced, but the frame itself is the weakest link for energy performance. We will tell you plainly if repair makes sense or if replacement is the better dollar-per-year decision. Call (470) 298-9650 for a written assessment.
Will new windows change how my stucco exterior looks?
Replacement windows are installed inside the existing stucco opening with new trim, so the exterior face changes very little. Where the stucco is cracked or the opening is out of square, we document it and build the repair into the original price, not a change order.
Home Additions & ADU in Downey
Home additions and ADU construction in Downey run straight into the city’s pre-1971 building stock: un-bolted mudsills, cripple walls without shear panels, and slab foundations that need structural evaluation before a permit will be issued. A home addition runs $45,000-$130,000 and ADU construction $90,000-$220,000, with the mandatory retrofit work priced as a named line item. Our Home Additions & ADU work starts with the permit path, because in Downey the permit path determines the real cost.
ADU Design & Permitting
Signs you need it
You have a lot with adequate rear or side yard setback, but the house needs a structural retrofit before Downey will sign off on the addition.
What it costs in Downey
ADU construction runs $90,000-$220,000 in Downey, with design and permitting included in the written flat price.
How we do it
We survey the property, produce a plan set that meets Downey’s current ADU ordinance, submit for permit, and hold the price to the written scope through every inspection.
Garage Conversion ADU
Signs you need it
The attached or detached garage is underused, and the home’s original 1950s framing needs shear wall and foundation bolting before it can be legally converted.
What it costs in Downey
Garage conversion in Downey runs $30,000-$80,000, including the structural retrofit work the building department flags on these older tracts.
How we do it
We document the existing foundation and framing, install the required bolting and shear panels, then convert the space with new electrical, plumbing, insulation, and a final closeout package.
What Home Additions & ADU Costs in Downey
| Item | Typical range in Downey |
|---|---|
| Home addition | $45,000-$130,000 |
| ADU construction | $90,000-$220,000 |
| Garage conversion | $30,000-$80,000 |
Why do Downey ADU permits trigger seismic retrofit work?
Because most of Downey’s housing was built before the 1971 Sylmar earthquake standards, un-bolted mudsills and cripple walls without shear panels are common. The city’s building department now requires the retrofit as a condition of the addition permit. We price that work as a line item in the original quote, never as a surprise change order.
Can I convert my Downey garage without a full ADU permit?
No. A habitable conversion requires building permits, electrical and plumbing permits, and the structural retrofits the city flags. Doing the work without permits creates a title and insurance problem when you sell. Call (470) 298-9650 for a written scope that names every permit.
Brands We Service in Downey
We install and service products from Sakrete for concrete and paver work, Abodu and Dvele for prefabricated ADU systems, and Cover for panelized ADU shells. We keep common components and fasteners on hand for Downey jobs, and special-order items are quoted with their actual lead time. See our brands for the full list.
Pricing for Construction in Downey, CA
| Service | Typical range in Downey |
|---|---|
| Kitchen remodel | $14,000-$45,000 |
| Bathroom remodel | $9,000-$28,000 |
| Roof replacement | $8,000-$20,000 |
| Window replacement | $4,500-$15,000 |
| Home addition | $45,000-$130,000 |
| ADU construction | $90,000-$220,000 |
| Paver driveway installation | $7,000-$18,000 |
| Vinyl fence installation | $3,500-$9,000 |
| Garage conversion | $30,000-$80,000 |
| Tub-to-shower conversion | $3,500-$10,000 |
What pushes price up in Downey is the age cohort: 100-amp electrical panels, slab cutting for plumbing moves, and the pre-1971 seismic retrofit conditions that surface during permits. None of that appears as a mid-job surprise here. Under Clause 1 of the Haven Standard, the price is written before anyone starts, and no work proceeds on a change until the change order is signed.
Neighborhoods We Serve in Downey
We work across Downey’s residential neighborhoods, from the original aerospace tracts south of Firestone Boulevard to the newer sections near the 105 and 605 corridors. Most areas are within a 15-20 minute drive of our Los Angeles-based dispatch, which means scheduling is predictable, not aspirational.
- Downey Landing
- North Downey
- Rio San Gabriel
- Southeast Downey
- Stonewood area
Service Area - Cities Near Downey
Rowan Construction Group serves Downey and the surrounding communities with the same written-price process. We also work in Bell Gardens, CA, Paramount, CA, Bellflower, CA, and Norwalk, CA. Dispatch is coordinated from our Los Angeles office; crews serve Downey locally.
Serving Downey, CA - Our Local Coverage Area
We’re based in the Downey 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 Construction in Downey
We usually schedule Downey estimates within a few business days, with your written flat price delivered after we measure and document the existing conditions. You will not have to wait on a call for a quote; the price arrives in writing. Call (470) 298-9650 to schedule.
Some Downey neighborhoods have active HOAs that require architectural review before exterior changes like roofs, windows, or additions. We identify whether your address falls under one and include the approval step in your project schedule. The city permit process is separate and we handle both.
Yes. Any project that triggers a Downey building, plumbing, electrical, or mechanical permit is priced with permit fees, plan submittal, and inspection scheduling as named line items. You receive the permit documentation in your closeout package. Call (470) 298-9650 for a free estimate and written scope.
What happens when you call
- 1A real person answersNo phone trees - talk to a local construction 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 Downey Customers Say
"Good communication throughout. Weekly written update meant I never had to chase them."
- Nadine G."Driveway replaced properly with a base that will actually last. They explained why the cheaper quote was cheaper."
- Reggie O."Solid work, decent crew, and the site was left tidy every evening."
- Pearl A.