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Get your free estimateFast, Reliable ADU Builders Across Fowler
Adding an ADU in Fowler usually means one of two things: a detached backyard cottage for a parent or adult child, or a garage conversion that turns underused square footage into rental income. The honest answer most homeowners need first is this: a backyard ADU in Fowler typically runs $180,000 to $320,000, while a garage conversion lands between $90,000 and $160,000, depending on what we find behind the walls. We’re ADU Builders who work in Fowler every week, and we know these older lots well enough to tell you what your project will actually face before you sign anything. Call (559) 354-0579 and we’ll walk your property, check your panel, and put real numbers in front of you.
Why Lodgewick ADU Fresno Is Fowler’s Preferred ADU Builders Company

Fowler homeowners keep calling us for one reason: we write down the price before we start, and we come back if something isn’t right. That’s The Kingswell Guarantee, and it’s been the way we’ve operated since 2010 under the Kingswell family of home-service companies. No change orders at the door. No “we didn’t know it would look like that behind the stucco.” When surprises surface, they get priced and approved in writing before we touch them.
Russ Delmar leads our Fowler work. He’s walked more pre-1980 lots east of Highway 99 than most local appraisers, and he’ll tell you straight if your 100-amp panel needs an upgrade before an ADU pencil can even be sharpened. That kind of candor is rare in this trade, and it’s why Fowler customers keep our number saved. Scheduling and dispatch run through our Fresno, Central Valley office, but the crews you’ll see on your lot are local to the Fowler area and answer to Russ directly.
The 365-Day Done Right Promise backs every Fowler build. If something fails within a year? We come back and fix it. Free. That promise is written on your contract, not mumbled over a handshake.
ADU Design in Fowler
ADU Design in Fowler has to account for 100°F July days and cool tule fog mornings that settle into the valley floor. A well-designed ADU, meaning accessory dwelling unit, needs its own mini-split system so it doesn’t overwork the main house’s cooling load, plus high-efficiency insulation and reflective roofing that actually makes a difference when your backyard hits 105 degrees in August. We handle full design-to-permit packages so Fowler homeowners aren’t left guessing what the city will approve.
Detached Unit Planning
Most Fowler lots run 7,000 to 10,000 square feet, which gives us room to work with on a detached unit. We measure setbacks, check your sewer lateral path, and design around existing trees and fence lines rather than pretending they don’t exist.
Garage Conversion Design
Converting a 1950s or 1960s garage means addressing slab height, missing insulation, and sometimes a roofline that sheds water toward the house. Our design team documents these before permits go in, so the city review doesn’t stall on avoidable corrections.
Backyard ADU in Fowler

Backyard ADU construction in Fowler is where this town really shines. Big lots, wide side yards, and a farming community where three generations often share one parcel means a detached unit with its own entrance makes everyday life work. You get a small house in the backyard, which is literally what our name means: Lodgewick, from lodge, meaning a small house on a larger property.
Multigenerational Cottages
We hear the same story on 5th Street, on Merced Street, and out near Manning Avenue: aging parents want to stay close, but not in the same hallway. A backyard cottage gives everyone space without buying a second property.
Rental-Ready Units
Fowler’s agricultural seasonality means harvest workers and teachers need short-term rentals from spring through fall. A backyard ADU with its own address, meter, and entrance rents consistently here. We design for private entrances, separate utilities, and sound isolation so one household doesn’t feel like they’re living with the other.
Trusted Brands We Service in Fowler
We install and finish units from Cover, Dvele, and Boxabl, and we keep familiarity with Mighty Buildings’ panels when a Fowler lot calls for fast, precise framing. What matters more than the brand name is that we know how these systems tie into a 1970s stucco home on an older Fowler lot: foundation tolerance, utility stub-outs, and the junction details where a precision-built prefab meets a house that’s settled for 50 years. Call (559) 354-0579 and we’ll match the right system to your lot, budget, and timeline.
Common ADU Builders Problems We See in Fowler Homes
- 100-amp electrical panels at capacity. Most Fowler homes built before 1980 east of Highway 99 still run on original 100-amp service. Adding an ADU usually pushes past code limits, and PG&E won’t approve the interconnect until you upgrade to 200 amps.
- Clay sewer laterals that collapse during backfill. We’ve watched old clay lines crumble the moment a trench compactor touches them. If your lateral is original, plan on replacement as part of the ADU scope, not a surprise line item after the fact.
- Failed waterproofing hidden behind stucco. Fowler’s freeze-thaw-free but intensely hot summers crack stucco over decades. When we open a wall for an ADU tie-in, we routinely find moisture damage that was invisible from the outside.
- Aluminum branch wiring from the 1960s and early 1970s. It expands and contracts in Central Valley heat, loosening connections over time. Any ADU tie-in that touches an affected circuit should replace it while the wall is open.
Pricing for ADU Builders in Fowler, CA
A detached backyard ADU in Fowler runs $180,000 to $320,000. A garage conversion typically lands between $90,000 and $160,000. A junior ADU inside the existing footprint starts around $70,000. What moves the number: electrical service upgrades (200-amp panel replacement averages $4,000 to $7,000 here), sewer lateral replacement ($6,000 to $15,000 depending on length and depth), and the dedicated water meter Fowler requires ($3,000 to $6,000). We write these into your contract as allowances with approvals built in, which is The Kingswell Way. Call (559) 354-0579 for a free written estimate on your specific lot.
We Also Serve Cities Near Fowler
Our crews work regularly in Selma, Parlier, Sanger, and Kingsburg, plus the surrounding farm roads and county parcels between them. If you’re in Fowler or any nearby Central Valley community, you can read more about our work in Fowler or call directly at (559) 354-0579.
Serving Fowler, CA - Our Local Coverage Area
We’re based in the Fowler 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 Builders in Fowler
Yes, most homes east of Highway 99 built before 1980 still have 100-amp panels, and PG&E will not approve an ADU interconnect until you upgrade to 200 amps. We include that upgrade in our written estimate and handle the PG&E application as part of the project, not as an afterthought. Call (559) 354-0579 and we’ll check your panel label before you spend a dime.
Fowler requires a dedicated water meter for new ADUs, and we pull that permit and coordinate the tap installation, which typically runs $3,000 to $6,000 including city fees. We price it as a line item on your contract before work starts. It’s not optional, and pretending otherwise only stalls your final inspection.
We stop, document what we found, price the repair in writing, and get your written approval before we move forward. That’s the whole point of our written allowance system. On a 1970s stucco home near 5th Street east of Highway 99, our crew opened walls for an ADU tie-in and found aluminum branch wiring and a 100-amp panel already at capacity. Before adding the unit, we upgraded to a 200-amp service, replaced the corroded clay sewer lateral, and installed a dedicated water meter, each change priced and approved in writing with our standard allowance. You’ll never get a surprise bill from our crew. Call (559) 354-0579 for exact numbers on your property.
Sometimes, if the line is in good shape and has enough slope to handle the added fixture units. But clay laterals from the 1950s through 1970s often collapse during backfill once we trench for new drainage, so we plan for replacement as a likely allowance item rather than hoping it survives. The way we handle it: inspection first, allowance written into the contract, and any surprise priced and approved in writing before we touch it. Call (559) 354-0579 and we’ll camera your lateral during the estimate.
Fowler summers push 105°F, and your main AC unit was sized for the house, not the house plus a 600-square-foot addition. Tying in means both spaces run warm and your compressor works harder than it should. A dedicated mini-split in the ADU keeps the unit comfortable on its own thermostat and doesn’t shorten the life of your existing system. Call (559) 354-0579 for a free estimate on your Fowler ADU.
Written by Russ Delmar, Owner at Lodgewick ADU Fresno, serving Fowler and the Central Valley since 2010.



