A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Florence-Graham, CA
Adding an ADU in Florence-Graham, CA typically runs $180,000 to $450,000 for a full backyard unit, depending on whether you go prefab or site-built, and most projects take 9 to 15 months from design to final inspection. Florence-Graham’s housing stock is older, lots are tighter, and the soil shifts with Southern California’s dry-wet cycles, so foundation and setback work carries real weight here. Benson ADU Builders handles the full job, from plan checks to the finish punch list. Call (903) 568-7222 for a free, written estimate.
Why Florence-Graham Homes Are Different
Florence-Graham sits in an unincorporated pocket of Los Angeles County, which changes the permit path before a single footing is poured. Instead of working through a city building department, most Florence-Graham ADU and addition permits route through LA County’s Department of Regional Planning and Building & Safety. That means plan review and inspection schedules follow county staffing and turnaround, not a city hall counter. A project that hums along in one part of the county can stall two blocks away if the jurisdiction shifts. When we scope a Florence-Graham job, the first thing we confirm is exactly which agency has authority over the address.
The housing stock here dates mostly from the 1920s through the 1950s, with stucco exteriors, raised foundations, and long narrow lots that sit close to the property line. Many original homes were built before current setback and lot-coverage rules existed, so an ADU addition on a Florence-Graham parcel often triggers more creative siting than a newer subdivision would. We see a lot of detached units pushed to the rear yard or converted garage builds, because the side setbacks leave no room to work with. The soil is also a factor: clay-heavy ground that expands in winter rain and contracts through dry summers. We routinely spec deeper footings in Florence-Graham than a casual builder might assume, and that is a line item we can price accurately from day one.
Our Main Florence-Graham Services
Two jobs drive most of the calls we get from Florence-Graham homeowners: building a new backyard ADU, and pushing the main house out with a home addition or room addition. Each has its own dedicated Florence-Graham page below.
ADU Builders in Florence-Graham
Backyard ADUs in Florence-Graham usually fall into two camps: a prefab panel system that arrives in sections and assembles on site, or a fully custom site-built unit framed from the ground up. County setbacks, lot coverage limits, and utility connections all shape the design, and most Florence-Graham ADUs we build land between 400 and 750 square feet to fit the lot without triggering variances. We work through the product options with you, from a compact one-bedroom to a two-story unit with a rental-ready layout. Read the full breakdown on our ADU Builders in Florence-Graham page.
Home Addition Contractor in Florence-Graham
A home addition in Florence-Graham means adding real square footage to the original house: a new primary suite, an expanded kitchen and family room, or a second story over the existing footprint. Older homes here often need foundation upgrades and electrical panel work before framing begins, which is why our written price includes every line item up front. We pull the county permits, coordinate the structural engineering, and keep the work sequence clear so you know what happens each week. Details are on the Home Addition Contractor in Florence-Graham page.
Room Addition Contractor in Florence-Graham
A room addition is the smaller, faster cousin: one or two rooms added to the house, like a home office, a guest bedroom, or a family room bump-out. On Florence-Graham’s narrow lots, most room additions go up instead of out, or convert an underused space like a covered patio. The county permit process applies the same as a full addition, but the scope is tighter and the timeline shorter. We price these with the same written, no-change-order approach as every other job. See Room Addition Contractor in Florence-Graham for specifics.
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 Florence-Graham
We build with Abodu, Cover, and Dvele prefab systems in Florence-Graham, plus James Hardie cladding for site-built and panelized jobs. Each brand has different lead times and price brackets, and we stock or order the parts locally so the schedule stays predictable. You can compare options on our brands page before you commit.
Pricing for ADU Company in Florence-Graham, CA
| Service | Typical range in Florence-Graham |
|---|---|
| Prefab ADU (studio, 400 sq ft) | $180,000 – $240,000 |
| Prefab ADU (1 bedroom, 500 – 600 sq ft) | $210,000 – $290,000 |
| Prefab ADU (2 bedroom, 700 – 800 sq ft) | $260,000 – $360,000 |
| Site-built ADU (studio, 400 sq ft) | $210,000 – $280,000 |
| Site-built ADU (1 bedroom, 500 – 600 sq ft) | $250,000 – $340,000 |
| Site-built ADU (2 bedroom, 700 – 800 sq ft) | $310,000 – $450,000 |
| Garage conversion ADU | $160,000 – $230,000 |
| Home addition (300 – 500 sq ft) | $130,000 – $210,000 |
| Home addition (500 – 800 sq ft) | $200,000 – $320,000 |
| Room addition (single room, 150 – 250 sq ft) | $75,000 – $120,000 |
| Second-story addition | $280,000 – $420,000 |
| JADU (attached, under 500 sq ft) | $140,000 – $190,000 |
Florence-Graham prices run on the higher end when a lot needs foundation reinforcement, a new electrical panel, or sewer-line relocation, and we see all three regularly on older parcels here. Benson ADU Builders gives every homeowner a written price before any work starts, so the number you approve is the number you pay.
Neighborhoods We Serve in Florence-Graham
Our crews work across Florence-Graham and the surrounding unincorporated county pockets, from the blocks near Florence Avenue down to the residential streets around Graham Elementary. We typically schedule estimate visits within 48 hours anywhere in the Florence-Graham area.
- Florence Avenue corridor
- Graham Park area
- Miracle Mile neighborhood
- Central Florence-Graham
- Walnut Park border
Service Area – Cities Near Florence-Graham
If your project sits outside Florence-Graham proper, we also cover nearby communities, including Los Angeles, CA, Long Beach, CA, Anaheim, CA, and Riverside, CA. Scheduling is coordinated from the brand’s Los Angeles office, with local crews assigned to Florence-Graham jobs.
Serving Florence-Graham, CA - Our Local Coverage Area
We’re based in the Florence-Graham 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 Florence-Graham
We usually schedule estimates within two business days anywhere in Florence-Graham. You’ll get a written price at that visit, not a verbal range that shifts later. Call (903) 568-7222 to set a time.
Yes. Because Florence-Graham is unincorporated Los Angeles County, ADU and addition permits go through LA County Building & Safety rather than a city hall. Benson pulls all permits and coordinates inspections as part of the job.
Every Florence-Graham project gets a written, line-item price before work starts. No change orders without your signed approval. That’s the entire point of the way we work. Call (903) 568-7222 for your estimate.
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 Florence-Graham Customers Say
"Booked a consult online and met the project manager two days later. Weekly progress updates arrived by text with photos. ADU finished on schedule."
- Hannah W."Clean, quiet crew. They respected the neighbors, kept noise to working hours, and swept the driveway every evening."
- Hope C."Communication was the best part. I always knew what was happening that week without having to ask."
- Dolly N.
