Garage Apartment & ADU Build · Mistletoe Heights
The garage is already where the rules let you build. Garage Apartment in Mistletoe Heights
Zoning decides a garage apartment long before taste does, so we read your lot first and tell you plainly whether it works before you spend anything on design.
Design, drawn and built
What a garage apartment in Mistletoe Heights involves
A second front door on the same lot. Room for a parent, a place for an adult kid to land, a guest house, a studio, or an income unit, in a small complete home with its own kitchen, its own bath and its own key.
So the first work is a survey, a coverage calculation and an hour with the city's rules for your particular parcel. Some lots take one easily. Some need a variance. Some are a no, and hearing that in week one is worth more than a pretty rendering. After that it is ours end to end, drafting through framing through the walkthrough.
In Mistletoe Heights
A garage apartment gets further here than a backyard building does, and it is worth knowing why before you start sketching. The square-footage table people find first governs outbuildings nobody is meant to live in, and on a median lot around 7,700 square feet it caps those at a shed — but it never applied to a habitable structure, and it writes out garages and carports besides. What actually governs is height, placement and what every roof on the lot adds up to. The other rule is about use, and it is an address question, though not the same one as the overlay: about two-thirds of these blocks are zoned one-family, and on those what you build is an accessory dwelling — for a parent, a guest or an office — not a second independent residence. On the quarter zoned two-family, a second residence is on the table. Same street, different sentence, so we pull your zoning first.
Building in Mistletoe Heights
What the houses here actually ask for
1922
A genuinely pre-war neighborhood — the median house dates to 1922, four in five went up before 1940, and the original deed restrictions banned frame construction, which is why brick and stucco run these streets.
Houses this old have good bones and a floor plan built for another century. Most of the work here is reorganizing what's already there, carefully — and knowing exactly which rules apply to your address before anyone draws.
What we'd actually do here
The moves that matter in Mistletoe Heights
Every neighborhood rewards something different. These are the three that come up on almost every garage apartment we take on.
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Build where the block already builds
The district guidelines say outbuildings here have always sat at the rear and to the side, on the lot lines, and that this is still appropriate. Working with that is the shortest way through.
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The house in front sets the height
An accessory dwelling may not out-top the house in front of it, and inside the overlay it is asked not to overpower it either. That pair decides the massing, so it gets drawn first.
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Three feet, once it is behind the house
On A-5 blocks — most of this neighbourhood — a detached garage behind the rear wall of the house drops to three-foot side and rear setbacks. That relief is what fits a real apartment on a lot under sixty feet wide.
Both numbers, one conversation
Remodel it, or sell it?
You love the street. The house is the question — and in a pre-war neighborhood, it's a real one.
What the work would cost
Priced by the people who'd build it.
Design, drafting and construction, in house.
What it'd sell for as-is
Valued by the agents who sell this market.
6th Ave Homes is a licensed brokerage.
Most Fort Worth companies can only fill in one side.
We're one of the few companies in Fort Worth built to answer it straight — our agents sell in this market and our design and construction teams price the remodel, so you can weigh a real renovation number against what the house would actually sell for. Sometimes the answer is a second story. Sometimes it's a listing. We'll tell you which one we'd pick and why.
Built by 6th Ave Homes
Mistletoe Heights Whole-Home Remodel See the project →How it works
A garage apartment in Mistletoe Heights, in three steps
The people who draw it, price it, and build it share a hallway — which is why the plan you fall in love with is the plan that actually gets built.
Meet Up
We walk the house, listen to how you actually live in it, and talk honestly about budget before anyone draws a line.
Team Up
Our designers and drafting team put a real plan on paper — layout, selections, and a number you can build around.
Glasses Up
We build it, keep you in the loop, and hand back a home that feels like you. Pour something good.
Our work in Mistletoe Heights
Mistletoe Heights Garage Conversion ADU
Garage Apartment
A garage can be more than a place to park. In historic Mistletoe Heights, the 6th Ave Homes team turned this one into a guesthouse and office with charm to spare. Come see the guesthouse in the gallery.
See the whole projectNot our first time on these streets
More of our work in Mistletoe Heights
Before you start
A garage apartment in Mistletoe Heights: the questions worth asking first
The answers that change a Mistletoe Heights project are usually the ones nobody asks until the drawings are done. We work through these first.
Nearby and related
- Home Additions in Mistletoe Heights
- Master Bath Remodel in Mistletoe Heights
- Whole-Home Remodel in Mistletoe Heights
“From sitting down with us in advance to walk through the process to being very timely and responsive with emails and phone calls throughout, our guide was on top of every detail. 6th Ave Homes could not have a better representative of how they want to show up in support of their clients.”
Is my Mistletoe Heights house actually in the historic district?
That's an address question, not a neighborhood one — and it's the first thing we check. About two-thirds of Mistletoe Heights sits under the city's historic overlay; one corner opted out at designation and carries no overlay at all. If your address is inside it, exterior work needs a Certificate of Appropriateness before the permit. If it isn't, the standard permit path applies. Anyone who answers this from the neighborhood name is guessing with your schedule.
Does the review add time to the schedule?
On overlay addresses it adds a real step with a real calendar, and it's very manageable when the drawings anticipate it rather than discover it. That's the practical advantage of the people who draw your plans sitting down the hall from the people who build them — the submittal is drawn to be approved the first time.
Does work inside the house need approval too?
No. A bath or kitchen that stays within the existing walls doesn't go to the Commission, whatever your address. It's worth confirming scope early anyway, because one replaced window or a relocated exterior door quietly turns an interior project into a reviewed one.
What actually limits the size of a garage apartment here?
Height, mostly — and it's set by your own house, not by the code. An accessory dwelling can't stand taller than the house in front of it, so on a low house that decides the whole thing before anyone talks square footage. Floor area is the rule people read first, but garages and carports are written out of the accessory-size cap. Lot coverage isn't close to binding on a typical lot here either; the house hasn't spent it. What's left is placement — rear and side, behind the rear wall of the house, at three feet on the one-family blocks. We run your parcel before anyone draws.
Does the design have to look historic?
It has to be compatible, which is not the same thing and is worth understanding before you fall in love with a rendering. Inside the overlay, an accessory structure is on the list of work that needs a Certificate of Appropriateness, and the guidelines that govern it are about materials, placement and not overpowering the house in front — they don't require a pastiche. Outside the overlay, none of it applies. Either way the practical move is the same: we pull the guidelines that actually govern your address, draw the massing and the materials against them, and hand in a submittal built to be approved rather than revised into approval.
What is the difference between a garage apartment, a casita, and a guest house?
Mostly where it sits and what it is attached to. A garage apartment lives above or beside a garage; a casita or guest house stands on its own. Zoning cares about that distinction, and so does the way the backyard feels afterward, but all three are the same class of building.
Can we keep parking in the garage?
Yes. Living space goes over the top, or beside it, and the cars stay where they are. It costs more than converting the garage you already have, and it keeps the thing you use every day.
Best Home Builder & Remodeler
Fort Worth Magazine · plus Small Business of the Year, Fort Worth Chamber

Thinking about a garage apartment in Mistletoe Heights?
Tell us about the lot, or the house that isn't big enough anymore. We'll tell you honestly what it can carry, draw it, and price it — before anyone signs anything.
