Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Home Additions & ADU Across North Las Vegas
Adding square footage in North Las Vegas means dealing with caliche, the city’s own permit office, and a housing stock that runs from 1960s ranch homes in 89030 to 2005 tract builds off Aliante Parkway. If you’re weighing a garage conversion ADU in Eldorado or a second-story addition near Cheyenne and Decatur, the process here is not like Clark County. Our Home Additions & ADU crew works from the city’s own Building & Safety checklist, not the county’s. Most North Las Vegas additions run $45,000 to $130,000, and an ADU will typically land between $90,000 and $220,000. Call (877) 610-1318 and we’ll walk your property with you before anyone writes a number.
Why Barrett & Sons Construction Is North Las Vegas’s Preferred Home Additions & ADU Company
Tom Barrett started this company in 1998, and he still answers his own phone. When a homeowner calls our North Las Vegas Roofing team about a garage conversion on a street off Lake Mead Boulevard, the person who picks up lives in the valley, knows the NLV permit counter, and can tell you whether that 1978 ranch is going to need caliche pre-digging before the footing goes in. Tom’s sons run the crews, so the name on the truck is the name standing in your driveway.
North Las Vegas homeowners check on us, and they should. Tom publishes his name, his address, and his license number. Look it up before you sign anything. We have a 90-Day Done Right Promise written on every contract: if the work isn’t right, one call brings Tom back. Every price change, every allowance, every scope adjustment arrives as a written change order before a single nail moves. The permit inspector works for you, not for us, and that’s exactly why we like him on the job.
Our Home Additions & ADU Services in North Las Vegas
ADU Design & Permitting
North Las Vegas has its own Building & Safety Department, separate from Clark County, and the city regularly flags unpermitted garage conversions in 89030 and 89031 from the foreclosure era. If you bought one of those homes near College Park or Windsor Park with a “bonus room” that never got permits, we can document the existing work, pull the retrofit permits through NLV’s office, and get you to a certificate of occupancy. New ADU plans get the same treatment: city-specific setbacks, utility requirements, and caliche mitigation written into the drawings before submittal.

Garage Conversion ADU
A garage conversion in North Las Vegas runs $30,000 to $80,000, and the range depends heavily on what the city finds when they open the walls. Homes in 89030 and 89031 often have unpermitted electrical or plumbing from the 2008-2012 rental boom, and we’ve had to bring every one of them up to current code before the inspector signs off. For a 1960s ranch in the older core, plan for insulation upgrades and panel work; for a 2005 production home in 89084, expect fewer surprises but the same city review process.

New Detached ADU
Ground-up detached ADUs in North Las Vegas run $90,000 to $220,000, and caliche is the big variable. Most lots across the valley floor hit that cemented calcium-carbonate layer 12 to 24 inches down, which means jackhammering or carbide-tipped equipment before footings, plus a bigger line item for excavation. Summer pours above 105°F need hydration retarders and early morning scheduling or the slab flash-sets and weakens. We schedule around the heat, not through it.

Junior ADU & Interior Conversion
An attached JADU or interior conversion, say turning a oversized living room in a 1982 stucco-over-wood-frame home near Craig Ranch Regional Park into a studio with its own entrance, costs less than a ground-up build but still runs through the same city permit process. We handle the plumbing separation, the Windows & Doors - North Las Vegas egress requirements, the sound separation, and the paperwork. If you’re adding a kitchenette, we’ll spec appliances that the city’s inspectors accept the first time through.

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.
Trusted Brands We Service in North Las Vegas
When your addition needs windows, we install Simonton and Ply Gem lines that hold up under a sustained 115°F summer. For sunrooms and enclosed patios facing the June afternoon glare, PGT impact-rated glass makes a real comfort difference. We don’t put mystery brands on a North Las Vegas job. Anything we hang or install has a name you can look up, and we can order replacements locally fast if a pane or a screen gets damaged years later. If you’re already planning a kitchen inside that new addition, we also handle Kitchen Remodeling in North Las Vegas, and a full bath addition often pairs with Bathroom Remodeling in North Las Vegas so one crew, one permit set, one schedule.
Common Home Additions & ADU Problems We See in North Las Vegas Homes
- Unpermitted garage conversions from the foreclosure era. Homes in 89030 and 89031 were split into rental units during the 2008-2012 crunch, often without inspections. City inspectors flag these at resale or at permit time, and retroactive permitting through NLV’s own office is mandatory before any new addition proceeds.
- Caliche hitting the excavation budget. Most North Las Vegas lots bottom out on cemented calcium-carbonate hardpan 12-24 inches down. You’ll need jackhammering or carbide-tipped equipment before footings, utility rough-ins, or foundation trenches, and that adds material cost and schedule days to every ground-up project.
- Slab and insulation deficiencies in 2003-2008 tract builds. Homes in 89084 through 89087 often sit on insufficiently compacted caliche subgrade with undersized insulation packages. When we open a wall or saw a concrete line, we regularly find what the original builder saved on materials, and we correct it before we build over it.
- Summer concrete work done badly. Above 105°F, a concrete pour without hydration retarders and shade curing flash-sets and loses structural integrity. We schedule pours before sunrise in July and August, and we bring the admixtures the city’s inspectors expect to see on the batch ticket.
Pricing for Home Additions & ADU in North Las Vegas, NV
A home addition in North Las Vegas runs $45,000 to $130,000. A new detached ADU lands between $90,000 and $220,000, while a garage conversion sits at $30,000 to $80,000. Caliche excavation, city permit fees, and the age of the existing slab move those numbers more than anything else. Here’s the line-item picture:
- Room addition: $45,000-$130,000
- New detached ADU: $90,000-$220,000
- Garage conversion ADU: $30,000-$80,000
- ADU design & permitting: $3,500-$9,000 (varies by scope and NLV review requirements)
Every estimate is written, itemized, and free. No number changes unless you get a written change order first. Call (877) 610-1318 and we’ll give you a real quote after walking the property.
We Also Serve Cities Near North Las Vegas
Our crews cover North Las Vegas every day and also run jobs in Sunrise Manor, Las Vegas, Winchester, and Spring Valley. If your project sits right on the line between North Las Vegas and unincorporated county land, the jurisdiction matters for permits, and we know which office to call first.
Serving North Las Vegas, NV - Our Local Coverage Area
We’re based in the North Las Vegas 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 - Home Additions & ADU in North Las Vegas
A home addition in North Las Vegas typically costs $45,000 to $130,000. A new detached ADU runs $90,000 to $220,000, and a garage conversion sits between $30,000 and $80,000. Caliche excavation and city permit requirements are the two biggest cost drivers in this market. Call (877) 610-1318 for an exact line-item quote, free.
Yes. North Las Vegas operates its own Building & Safety Department, entirely separate from Clark County, and every ADU, garage conversion, and room addition requires permits pulled through the city’s office. Unpermitted work from the foreclosure era is frequently flagged at resale or at new permit time, and NLV requires retroactive documentation before a certificate of occupancy will issue. We handle the full permit set from submittal to final inspection.
Most garage conversions in North Las Vegas take 8 to 14 weeks from permit submittal to final inspection. City review times vary by workload, and caliche or unpermitted existing work can add days. We give you a written schedule with milestones, and every change to that schedule comes as a change order in writing.
Not unless you change the scope, in writing. Every allowance, every material substitution, every unforeseen condition gets documented as a written change order before work proceeds. An allowance that isn’t on paper is a surprise waiting for a date, and we don’t do surprises. Call (877) 610-1318 and you’ll see the full scope in writing before you sign.
Yes. Every project carries our 90-Day Done Right Promise, written on the contract. If something isn’t right, one call brings Tom back. We’re not a franchise dispatching strangers; Tom’s sons run the crews, and the owner’s name is on the work. Call (877) 610-1318 to schedule a free estimate.
Permits pulled, inspections signed, caliche handled, and a written price before the first nail moves. That’s how we build in North Las Vegas. Call (877) 610-1318 to schedule your free estimate, or ask for Tom when you call. He’ll talk through your project himself.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving North Las Vegas since 1998.







Before
After
Before
After
Before
After