Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Home Additions & ADU Across Jersey Village
Adding square footage in Jersey Village means planning around two forces most Houston-area contractors never think twice about: the Addicks Reservoir flood pool and the enclave’s own municipal building department. A home addition or ADU here isn’t a copy-paste job from a Cypress or Tomball playbook. The permit you pull, the foundation you choose, and the elevation certificate you file all have to answer to Jersey Village rules first and Harris County second. If your contractor shows up with Houston paperwork, the inspection gets turned away and your schedule blows out by weeks.
We’re Barrett & Sons Construction, and we’ve been building Home Additions & ADU projects long enough to know exactly what Jersey Village inspectors look for before a slab gets poured or a wall gets framed. Tom Barrett’s name is on the truck and on the contract. Call (877) 610-1318 for a free estimate, and you’ll get a written line-item price, not a phone quote that melts once someone sees your lot.
Why Barrett & Sons Construction Is Jersey Village’s Preferred Home Additions & ADU Company
We don’t run a dispatch board full of strangers. Tom Barrett owns the company, his sons run the crews, and when something in Jersey Village needs a second look, someone whose name is on the building answers the phone. That matters in a city where the difference between an approved addition and a stop-work order often comes down to whether the contractor knew to file with the right department in the first place.
Our Jersey Village customers have seen the alternative: a national company quotes one price over the phone, sends a crew nobody recognizes, and hands over a bill that looks nothing like the estimate. We put every scope, every allowance, and every price change in writing before work starts. The permit inspector works for you, not for me. That’s why I like him. Look up Tom Barrett’s license number yourself if you want. We publish it.
- Founded 1998, owner-operated from day one, with Tom and his sons on-site most days
- 90-Day Done Right Promise written on every contract, never buried in fine print
- Permits pulled and inspections signed on every eligible job in Jersey Village
- Written change orders before any scope change touches the job, no exceptions
- Background-checked, uniformed crew members who carry the Barrett & Sons name
Our Home Additions & ADU Services in Jersey Village
ADU Design & Permitting
Jersey Village operates its own building department, independent of Houston, so the ADU plans that fly through elsewhere in Harris County can stall at the JV permit counter without the right paperwork. We handle design through final inspection, including FEMA Elevation Certificate coordination when your parcel sits in an AE or AO flood zone. A detached ADU on a Jersey Village lot typically requires floodplain review even when the main house predates current maps. We file it correctly the first time.

Garage Conversion ADU
Converting an attached garage into a rentable unit is one of the fastest ways to add living space in the 77064 zip code, but many Jersey Village garages sit at the same low finished-floor elevation that caused so much trouble in 2017. A conversion that doesn’t address flood vents, breakaway walls, or finished-floor height can cost you far more than it saves. We’ve converted garages into full one-bedroom ADUs with kitchenettes and private entries, and we’ve also steered homeowners away when the numbers didn’t work under current flood rules.

New Detached ADU
A new detached ADU in Jersey Village typically runs $90,000 to $220,000 depending on size, finishes, and foundation type. Elevated pier-and-beam foundations with proper flood vents cost more up front than slab-on-grade, but they meet the post-Harvey standards that buyers and appraisers in this city now expect. We quote the foundation as a line item so you see exactly what flood compliance adds, and we use premium materials you can look up, not mystery brands off a van.

Junior ADU & Interior Conversion
For aging parents or grown children, a junior ADU carved from an existing bedroom, game room, or oversized laundry area adds a private entrance and kitchenette without the full cost of a ground-up build. Jersey Village’s ranch-era homes from the 1950s through 1970s often have the footprint for this, though original slab-on-grade construction means plumbing runs sometimes have to move. We scope it in writing before the first wall comes down.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Jersey Village
We don’t install materials we wouldn’t put on our own homes. On Jersey Village hardscape tie-ins, driveways, and patio extensions that often accompany an addition, we work with Techo-Bloc and Cambridge Pavers for paver quality that holds up through Houston’s wet-dry clay cycles. For Quikrete products and site work on elevated foundations, we stick with materials our crews know cold. If a brand ever fails on a Jersey Village job, the 90-Day Done Right Promise means Tom comes back and makes it right. One call.
Common Home Additions & ADU Problems We See in Jersey Village Homes
- Houston permits filed for a Jersey Village job. Jersey Village runs its own building department. A contractor who files with the City of Houston instead gets rejected at inspection, and you eat the delay. We file locally from day one.
- Additions built below the FEMA finished-floor requirement. After Harvey’s Addicks Reservoir releases flooded a significant share of Jersey Village homes, finished-floor elevation became a hard compliance number. Building at the old slab height can trigger Substantial Improvement reviews that cap your renovation budget.
- Beaumont Clay soil movement cracking new tie-ins. Jersey Village sits on expansive clay that heaves in wet-dry cycles. A room addition tied to an existing slab without accounting for that movement cracks along the seam within a few seasons. We design the connection so it moves together.
- Substantial Improvement rule surprises. Harris County Flood Control and FEMA rules cap how much you can spend renovating a damaged structure before mandatory elevation kicks in. A contractor who doesn’t track that number can put you over the line mid-project. We track it from the first estimate.
Pricing for Home Additions & ADU in Jersey Village, TX
In Jersey Village, a full home addition typically runs $45,000 to $130,000, while ADU construction lands between $90,000 and $220,000. Garage conversions fall in the $30,000 to $80,000 range. What moves the needle most in this city is your foundation choice. Elevated pier-and-beam with flood vents and proper finished-floor height costs more than a basic slab, but skipping it risks failing inspection or capping your future renovation budget under Substantial Improvement rules.
Other cost drivers: kitchen or bath rough-in inside the new space, soil report requirements for large additions on Beaumont Clay, and whether the existing mechanical system can handle the added load. We give you a free written estimate with every line item spelled out. Call (877) 610-1318 and ask for Tom. We’ll walk the site, check the flood map, and tell you honestly what the job will cost before you spend a dime.
We Also Serve Cities Near Jersey Village
While this page focuses on Jersey Village, our crews also work regularly in Cypress, Aldine, Tomball, and Bellaire. The same owner-operated team, the same written change orders, the same 90-Day Done Right Promise. If you need Kitchen Remodeling in Jersey Village, we handle that too, and our Bathroom Remodeling in Jersey Village service covers the wet work often tied into an addition or ADU.
Serving Jersey Village, TX - Our Local Coverage Area
We’re based in the Jersey Village 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 Jersey Village
Once we complete your free estimate and you sign the contract, most Jersey Village additions move into permitting within two to three weeks. The enclave’s own building department reviews plans locally, which can be faster than Houston processing but also stricter on floodplain documentation. Call (877) 610-1318 and we’ll give you a realistic timeline for your specific lot and scope, free.
We pull all permits and handle every inspection through the Jersey Village building department, including FEMA Elevation Certificate coordination when your parcel sits in a designated AE or AO flood zone. Permits are not optional on this kind of work. The inspector works for you, not the contractor, and we want that signature on every phase.
A garage conversion in Jersey Village typically runs $30,000 to $80,000, which is similar to Cypress or Tomball pricing, but Jersey Village floodplain rules can add $8,000 to $20,000 in compliance work that those nearby cities don’t always require. That’s not a fee, it’s framing, flood vents, and possibly a raised finished floor. We quote it as a named line item so you see exactly where the money goes.
Many Jersey Village parcels sit inside FEMA high-risk flood zones, and additions that break the Substantial Improvement threshold can trigger mandatory elevation requirements. The answer depends on your finished-floor elevation, your parcel’s flood map designation, and your project’s cost relative to the structure’s value. We check all three before you sign, in writing. Call (877) 610-1318 for a free flood-compliance review on your lot.
Every Barrett & Sons job carries the 90-Day Done Right Promise: if it’s not done right, Tom comes back and makes it right, one call, no runaround. That’s written on every contract we sign in Jersey Village, not buried in fine print. Past 90 days, we still answer the phone. Tom lives close enough to care.
Get Your Free Jersey Village Home Addition Estimate
If you’re planning an addition or ADU in Jersey Village, start with a real number from someone who knows this city’s building department, its flood maps, and its dirt. We’ll walk your lot, check your elevation, and hand you a written line-item estimate with no surprise invoices at the end. No trip charge inside the county. $40 off any repair over $200. Free second opinion on any written estimate. Ask about the Senior & Veteran discount. Call (877) 610-1318 to schedule your free estimate today.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Jersey Village and surrounding communities since 1998.







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