A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Pico Rivera, CA
Fielding ADU Builders handles accessory dwelling units, garage conversions, and room additions across Pico Rivera, and the work here has a particular rhythm to it. Most of the housing stock dates to the 1950s and 1960s: stucco-over-frame ranch homes on 5,000 to 7,000 square foot lots, many with original slab foundations and garages that were never engineered for living space. Add in Pico Rivera’s hot, dry summers and the city’s unusually accommodating ADU ordinance, and you get a specific set of build conditions we see on nearly every job. We price the work in writing before anything starts, and we stand behind it for a full year. Call (626) 657-5541 to talk through what’s possible on your lot.
We’re an independently owned member of the Garrison Partners family, which has built to The Garrison Standard since 2006. Reed Calloway leads our team, and every crew member who shows up on a Pico Rivera property is background-checked and in uniform. The Garrison Code is plain: show up in the window, price in writing, build by the book, leave it clean, and stand behind it for a year.
Why Pico Rivera Homes Are Different
Pico Rivera’s housing stock is overwhelmingly mid-century single-story tract. That sounds repetitive until you open up a wall or look under a garage slab and find the particulars: 2×4 framing, stucco over wire mesh, and garage floors poured as 4-inch non-reinforced slabs with no perimeter footing. That matters for any conversion. Before we frame interior walls in a detached garage, we saw-cut the perimeter and pour a thickened edge so the new living space sits on something the city will sign off on. Skipping that step is how you end up with a permit flag and a room you can’t legally call habitable.
Lot geometry shapes most decisions here. Rear yards on the typical 5,000 to 7,000 square foot Pico Rivera lot are compact, so a detached backyard ADU usually means either a garage conversion or a compact two-story unit that tucks against the rear setback. The city now allows ADUs up to 25 feet tall within half a mile of a transit stop, which covers a surprising swath of town. That height allowance opens up second-story designs that wouldn’t pass in neighboring Whittier or Montebello. Pico Rivera’s ordinance updates also permit less restrictive setbacks than those cities, so a detached unit that’s a nonstarter two blocks away may be buildable here.
Climate is the other quiet factor. West-facing walls on uninsulated garages absorb real heat in Pico Rivera summers, so garage conversions need more than drywall: we plan for upgraded insulation, cross-ventilation, and shaded entries. And when the heavy El Niño rains hit, flat or low-slope garage roofs and poor lot drainage show their age quickly. Roof tie-ins and drainage get engineered, not improvised.
Our Main Pico Rivera Services
Pico Rivera homeowners call us most often about three things: adding a room to an existing home, converting a garage into legal living space, and building a detached backyard ADU. Each has its own page with local pricing and detail.
Room Addition Contractor in Pico Rivera
Room additions in Pico Rivera typically extend a single-story mid-century home outward, which means matching rooflines, stucco texture, and slab elevations that have settled for sixty years. The existing foundation is almost always slab-on-grade, so we evaluate it before we tie in new footings. Many homeowners want a primary suite or a family room; the question is whether the side yard setback gives us enough room to build sideways, or whether we’re going up. We pull permits on every job, and the price goes in writing before demolition starts. Room Addition Contractor in Pico Rivera.
Garage Conversion Contractor in Pico Rivera
Pico Rivera’s detached two-car garages are the most common conversion candidates we see. The structure is already there; the work is making it legal and livable: new thickened edge where the slab lacks a footing, insulation against the west-facing heat, new windows for cross-ventilation, and a proper roof tie-in to the house where it applies. Attached garages converting to living space face different questions: whether the existing garage header can carry the new wall load and how to rework the driveway and entry. Both jobs get a written price and a full year of written guarantee. Garage Conversion Contractor in Pico Rivera.
ADU Builders in Pico Rivera
Detached ADUs in Pico Rivera lean two ways: compact single-story cottages that fit the limited rear yard, and two-story units that take advantage of the city’s 25-foot height allowance near transit stops. We usually start by looking at the rear setback, the existing garage, and what the lot drains like in winter. Where a conventional stick-built ADU fits, we build it with James Hardie siding and standard framing. Where a prefab platform saves time and cost, we’ll price Abodu, Cover, or Dvele and handle the site work, foundation, and utility connections. ADU Builders in Pico Rivera.
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.
Brands We Service in Pico Rivera
We work with major prefab and modular ADU platforms including Abodu, Cover, Dvele, and Mighty Buildings, and we build conventionally with James Hardie siding and Tuff Shed-style structures. Parts and panels for these systems are available without long lead times in this region, so a Pico Rivera project doesn’t stall waiting on material from out of state. See our brands page for specifics on each platform.
Pricing for ADU Company in Pico Rivera, CA
Pico Rivera pricing reflects the age of the housing stock and the small lots we’re building on. Here are typical ranges before permit fees:
| Service | Typical range in Pico Rivera |
|---|---|
| Detached ADU (stick-built, one-story) | $180,000 – $260,000 |
| Detached ADU (prefab platform, e.g. Abodu, Cover) | $150,000 – $240,000 |
| Garage conversion (attached, full living space) | $80,000 – $140,000 |
| Garage conversion (detached, full living space) | $90,000 – $150,000 |
| Garage conversion with new foundation work | $110,000 – $170,000 |
| Room addition (primary suite, 300 – 500 sq ft) | $90,000 – $160,000 |
| Room addition (family room extension) | $70,000 – $130,000 |
| Second-story room addition | $140,000 – $220,000 |
| Slab thickening and perimeter footing (garage prep) | $6,000 – $14,000 |
| Insulation and drywall for converted garage | $12,000 – $28,000 |
| Roof tie-in and drainage for garage conversion | $8,000 – $20,000 |
| Utility connections and site work for prefab ADU | $20,000 – $45,000 |
What pushes prices up in Pico Rivera is usually foundation work: the older the garage slab, the more saw-cutting and thickened-edge pouring the permit will require. Drainage corrections on flat lots also add cost. Whatever the number, you get it in writing before we start, and the figure you approve on day one is the figure on the final invoice.
Neighborhoods We Serve in Pico Rivera
We work throughout Pico Rivera, from the older streets west of the San Gabriel River to the newer tracts east of Rosemead Boulevard. Most of our jobs land within a 10 to 15 minute drive of one another, so estimating visits and crew scheduling run on a short loop.
- Central Pico Rivera (around Washington and Rosemead)
- North Pico Rivera (north of Whittier Boulevard)
- South Pico Rivera (near the Whittier border)
- East Pico Rivera (east of the San Gabriel River)
- West Pico Rivera (near the Montebello line)
Service Area – Cities Near Pico Rivera
Fielding ADU Builders serves Pico Rivera and the surrounding communities. Dispatch and scheduling are coordinated from our Los Angeles office, and crews work locally across the San Gabriel Valley and adjacent areas. If you’re in a neighboring city, we cover those as well: Montebello, CA, South El Monte, CA, Temple City, CA, and San Marino, CA.
Serving Pico Rivera, CA - Our Local Coverage Area
We’re based in the Pico Rivera 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 ADU Company in Pico Rivera
Most Pico Rivera garage conversions finish in 8 to 12 weeks from permit to final inspection. Detached ADUs run 4 to 8 months depending on whether we’re building stick-frame or installing a prefab platform. The city’s current permitting pace is cooperative but not instant. We put the schedule in writing with the price. Call (626) 657-5541 to get a realistic timeline for your lot.
A setback variance is the city’s written permission to build closer to the property line than the standard rule allows. Pico Rivera’s current ADU ordinance is less restrictive than some neighboring cities, but the answer depends on your specific lot dimensions and what you’re building. We check the property lines and rear yard depth before we recommend a design. It’s part of the free estimate.
Yes. We serve every Pico Rivera neighborhood, and we estimate throughout the city without a trip charge. Scheduling runs on a local loop, so once your job is in the calendar, revisions and site visits don’t wait on a crew coming from across the county. Call (626) 657-5541 to set up a time for us to walk the property.
Contact Fielding ADU Builders
If you’re weighing an ADU, garage conversion, or room addition in Pico Rivera, call (626) 657-5541 for a free estimate. You’ll get a written price before any work starts, a live person on the phone any hour of the day, and a full year of written guarantee on the finished job. Reed Calloway and the Fielding team will walk your lot, look at the slab, check the setbacks, and tell you straight what’s buildable and what it costs.
What happens when you call
- 1A real person answersNo phone trees - talk to a local adu 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 Pico Rivera Customers Say
"Insulation, drywall, and finishes were all well done. Feels like part of the house."
- Pete O."Room addition over the back patio. Framing is square, windows are tight, and the roofline matches."
- Danny L."Honest feedback on what the lot could fit. Told me up front what would fit on the lot and what the setbacks would allow."
- Rita C.
