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Build This Plan

The Casita, 1,180 sq ft cottage house plan BRX-1180

Sample plan. Not for sale.

This plan shows how a plan book on Build This Plan looks: plates, floor plans, specs, lot fit and prices. There is no real drawing set behind it, the specs are sample values, and nobody has checked it for building. Nothing here can be bought.

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Pages of this plan

Plate BRX-1180

The Casita

Builder friendly

Sample plan by Build This Plan

Illustrative rendering

A two bedroom guest house that works as a casita, a rental or somewhere for a parent to live without sharing a kitchen. Ten foot ceilings through the main space keep it from reading small, and the whole footprint fits behind most suburban houses without eating the yard.

Plate BRX-1180 · page 1
38' wide39' deepBRX-11801,180 sq ft heated
  • 1,180 sq ft heated
  • 2 bedrooms
  • 2 baths
  • 1 story
  • 38 x 39 ft
  • No garage

Footprint drawn to scale from the sample floor plans in this book. They are sample drawings, not construction documents.

Sample price$995

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Plate BRX-1180 · page 2
Rear elevation of The Casita, illustrative
Rear elevationIllustrative rendering
Plate BRX-1180 · page 3
Side elevation of The Casita, illustrative
Side elevationIllustrative rendering
Plate BRX-1180 · page 4
Street view of The Casita, illustrative
Street viewIllustrative rendering
Plate BRX-1180 · page 5
The Casita sample floor plan, level 1
Sample floor plan
Plate BRX-1180 · page 6

What a drawing set like this includes

  • Foundation plan with an expansive soil slab detail
  • Dimensioned floor plan
  • Four exterior elevations
  • Building and wall sections
  • Roof framing plan
  • Door and window schedules
  • Electrical layout

What it leaves out

  • No engineer or architect seal. Texas does not require one to draw a single family plan, but your jurisdiction may require one to permit it.
  • No site plan. That comes from a surveyor once you have a lot.
  • No mechanical, plumbing or electrical engineering drawings.
  • No energy code compliance report.
  • No septic or OSSF design.
What a stock plan leaves out, and what it costs

Specification

Building type
Single-family
Heated area
1,180 sq ft
Total under roof
1,484 sq ft
Bedrooms
2
Bathrooms
2 baths
Stories
1
Garage
None
Width
38 ft
Depth
39 ft
Max ridge height
18 ft from top of foundation
Main ceiling
10 ft
Primary roof pitch
6:12
Roof type
Gable, truss framed
Exterior wall framing
2x4
Foundation included
Slab
Porch and covered area
304 sq ft

Will it fit your lot?

Fits a lot about 48 ft wide by 84 ft deep (0.09 acres, 4,032 sq ft) with typical setbacks of 5 ft each side, 25 ft front and 20 ft rear.

Setbacks, easements and deed restrictions vary by city, subdivision and county. Check yours before you buy.

48' lot width84' deep25' front setback20' rear setbackSTREET

For builders

Footprint
4 exterior corners, a plain rectangle
Main roof
One main roof form (gable)
Slab foundation
Offered
Lot width
Fits about 48 ft, a narrow lot
Exterior walls
2x4
Stories
1

Builder friendly: meets every rule

  • YesThe enclosed footprint has 8 or fewer exterior corners
  • YesA slab foundation is offered
  • YesOne main roof form
  • YesFits a lot 60 ft wide or less with typical setbacks
  • YesHeated area between 1,000 and 2,600 sq ft

Worked out from the plan's own data by the published rules. Facts, not a promise of cost, rent or resale.

Building this plan where you live

Building this in Texas

Drawn as a detached guest house or rental on an existing lot. The slab detail is designed for expansive clay with a perimeter beam depth that suits Montgomery and north Harris county soils. Check your deed restrictions before you plan on renting it out, because that is what stops most of these rather than the county.

  • 01This sample has no drawing set, so it has no foundation design. Whatever plan you build, a local engineer designs the foundation for your soil.
  • 02Windstorm certification only applies inside the TDI designated catastrophe area, not Montgomery or Liberty County. On a plan for sale we can coordinate it as an add on: an independent Texas PE does the engineering and bills you directly.
  • 0311,597 new single-family homes were permitted in Montgomery County in 2025, at an average permit value of $287,000 (US Census Bureau, Building Permits Survey). Permit values usually run below the full cost to build; a local builder prices this plan for your lot.
See the numbers for another county

Features

Questions about this plan

What foundation does The Casita come with?
This sample is drawn on a post tension slab on grade foundation. It has no drawing set, so there is no foundation design yet.
What size lot does The Casita fit on?
The Casita (BRX-1180) is 38 ft wide by 39 ft deep. It fits a lot about 48 ft wide by 84 ft deep (0.09 acres, 4,032 sq ft) with typical setbacks of 5 ft each side, 25 ft front and 20 ft rear. Setbacks, easements and deed restrictions vary by city, subdivision and county. Check yours before you buy.
Is this plan builder friendly?
Yes. It meets every published Builder friendly rule: the enclosed footprint has 8 or fewer exterior corners, a slab foundation is offered, one main roof form, fits a lot 60 ft wide or less with typical setbacks and heated area between 1,000 and 2,600 sq ft.
Where is the garage, and how does it enter?
This plan has no garage.
How many stories is it, and how tall?
1 story, with 10 ft main ceilings and a ridge 18 ft above the top of the foundation.
What would the drawing set leave out?
A set like this leaves out: No engineer or architect seal. Texas does not require one to draw a single family plan, but your jurisdiction may require one to permit it; No site plan. That comes from a surveyor once you have a lot; No mechanical, plumbing or electrical engineering drawings; No energy code compliance report; No septic or OSSF design.
Which licenses can I buy?
None: this is a sample plan and is not for sale. Its sample prices show how licensing works here: PDF at $995 (one build, one address), 5 printed sets + PDF at $1,295 (one build, one address), PDF, unlimited builds at $1,695 (unlimited builds by you) and CAD + PDF, unlimited builds at $2,195 (unlimited builds by you).
Can I ask for changes?
Not on this sample, since it is not for sale.
What engineering will I need where I build?
Build This Plan does not provide engineering. Your building department decides what needs an engineer's seal; on expansive clay that is often the foundation, and inside the TDI designated catastrophe area on the Texas coast, windstorm certification. This plan has no drawing set, so it has no foundation design. If you need one, tick "I will need an engineer" when you buy and we put you in touch with an independent engineer who bills you directly.

Sample plan by Build This Plan

We made this sample so buyers and designers can see a full plan book before real plans arrive. On a plan for sale this is where the designer is named, with their city, credentials and a link to their own site.

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