ADU Design Resource · New Braunfels, TX
The Complete Guide to
Building an ADU in New Braunfels, TX
Everything New Braunfels homeowners need to plan, permit, and profit from an ADU — including current 2026 zoning rules, real construction costs, neighborhood ROI data, and verified local lenders.
Created by Build With A Plan · Drawings from $997 (more below)
Quick Answers About New Braunfels, TX ADUs
Market Context
New Braunfels has a median home value of $320,000. Adding an ADU typically increases that by 22% — approximately $70,400 in added equity. A 1-bedroom ADU in New Braunfels rents for approximately $1,238/month in the Comal County rental market , yielding a 3% cap rate on the investment. Occupancy averages 90% in this market.
Top New Braunfels neighborhoods for ADU investment include River Chase, Oak Run, Mission Oaks, Town Creek, Manor Creek. High single-family density with large lots and high median values — good for detached ADUs and strong rental demand. Established single-family neighborhood with mid-to-large lot sizes and stable rental interest.
Permit Process
Permit applications are reviewed by the Development Services , with a plan check timeline of approximately 6 weeks. Permit fees in New Braunfels range from $4,056 to $4,636 depending on project scope. Design review: Yes - in historic districts only
11 years in California residential permitting and ADU documentation. This guide was researched and verified against New Braunfels's building department records and current 2026 California ADU law.
Property Eligibility
Is My New Braunfels, TX Property Eligible for an ADU?
New Braunfels homeowners benefit from California's state ADU law — one of the most permissive frameworks in the country since 2020. Here's what applies to your property before you start designing.
Single-Family Home
Permitted on single-family lots in New Braunfels under California state law. No owner-occupancy requirement in New Braunfels — you can rent both units as investment properties. Ministerial permit approval — no neighbor input or discretionary design review.
Multi-Family Property
Up to 2 detached ADUs plus JADUs (Junior ADUs) within the existing main structure are permitted under California state law. Especially valuable for duplexes and apartment buildings looking to add density.
HOA-Governed Properties
Approximately 56% of New Braunfels homes are in an HOA. California law (AB 670) prohibits HOAs from banning ADUs outright, but they can impose reasonable architectural standards. Our drawings include HOA submission formatting.
Historic Districts
Yes - in historic districts only
Always verify eligibility with Development Services before designing.
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New Braunfels ADU Return Calculator — Built With 2026 Local Data
Pre-loaded with verified New Braunfels construction costs, median rental rates, and property value uplift data. Adjust the inputs to model your specific project.
Your Project
Projected Returns
* Estimates only. Assumes ~85% occupancy, ~30% expense ratio, 22% property value uplift. Consult a financial advisor before investing.
Data sources: New Braunfels Development Services Department, Zillow Rental Market Reports, local appraiser records. Last verified: 2026-05-30.
Local Market Data
Top New Braunfels Neighborhoods for ADU Investment
River Chase
High single-family density with large lots and high median values — good for detached ADUs and strong rental demand.
Oak Run
Established single-family neighborhood with mid-to-large lot sizes and stable rental interest.
Mission Oaks
Higher-priced single-family area with lots that often accommodate detached ADUs and attractive rents.
Town Creek
Single-family focused subdivision with larger lots and proximity to local amenities — good rental potential.
Manor Creek
Family-oriented neighborhood with single-family homes and lot sizes suitable for detached accessory buildings.
Havenwood at Hunters Crossing
Higher-end single-family community with low supply and potential strong rental demand for ADUs.
Mission Hills Ranch
Moderately-priced SFH neighborhood where ADUs can increase rental income and property value.
Stone Gate
More affordable single-family area with owner-occupancy and potential for backyard ADUs to meet local rental demand.
Quail Valley
Lower-priced SFH neighborhood with good rental demand — an economical ADU investment opportunity.
Morningside
Affordable single-family area with turnover and rental demand, making ADU rentals viable.
New Braunfels ADU Market at a Glance
Local Zoning Rules
New Braunfels ADU Zoning Regulations
| Regulation | New Braunfels Allowance |
|---|---|
| Max ADU Size | Up to 1,200 sq ft (CA state law) |
| Max Height | 25 ft |
| Side Setback | 5 ft |
| Rear Setback | 10 ft |
| Owner Occupancy | Not required |
| Short-Term Rental | Restricted |
| Coastal Overlay | No |
| Design Review | Yes - in historic districts only |
| HOA Prevalence | 56% of properties |
Data verified recently. Always confirm with the Development Services before designing.
New Braunfels Permit Process
New Braunfels ADU Permit Timeline & Fees
ℹ Timeline and fee estimates are based on California state averages. Actual New Braunfels data coming soon.
Local Financing Resources
Local ADU Lenders in New Braunfels
These lenders offer HELOC, construction, and renovation loans for ADU projects in Comal County. Compare terms before committing.
Offers HELOCs and home improvement loans with a physical branch presence in New Braunfels.
Visit Lender ↗Provides fixed-rate home equity loans and HELOCs for members throughout Texas.
Visit Lender ↗Texas-based bank offering equity lines of credit up to 80% of the homestead property value.
Visit Lender ↗Specializes in construction lending specifically for projects in the New Braunfels area.
Visit Lender ↗Specialty lender providing loans based on the after-renovation value, ideal for ADU construction.
Visit Lender ↗Build With A Plan is not affiliated with these lenders. Always compare rates and consult a mortgage professional.
Local Build Partners
Vetted ADU Contractors in New Braunfels
We draw the plans. These contractors build them. Independent — no referral fees paid or received.
Build With A Plan provides drawings only. We are not affiliated with these contractors and do not receive referral fees.
Next Steps
Ready to Move Forward With Your New Braunfels ADU?
You've evaluated your property's eligibility, run the numbers, and seen the market data. The next step is getting permit-ready architectural drawings to submit to Development Services.
Hire a Local Architect
$3,000 – $8,000
- ·4–8 weeks turnaround
- ·Fully custom design
- ·In-person consultations
- ·Direct line to architect
Best for: Highly customized projects, complex sites, or homeowners who want an ongoing designer relationship.
Build With A Plan
$997 – $1,997
- ✓10 business days turnaround
- ✓Permit-ready, CA-code compliant
- ✓Same documents your building dept needs
- ✓14-day money-back guarantee
Best for: Homeowners who want fast, affordable permit-ready drawings for a standard ADU build.
Both options produce permit-ready architectural drawings accepted by Development Services. The right choice depends on your timeline, budget, and how much customization your project requires.
Drawing Package Details
What's Included in Your New Braunfels ADU Package
Engineered for TX Permit Approvals
Transparent Pricing
New Braunfels ADU Drawing Costs — Compared
What homeowners typically pay for permit-ready ADU drawings in New Braunfels, by service type:
| Service Type | Price Range | Turnaround | Customization |
|---|---|---|---|
| Local Architect | $3,000 – $8,000 | 4–8 weeks | Fully custom |
| Build With A Plan · Starter | $997 | 10 days | Standard |
| Build With A Plan · Standard | $1,497 | 10 days | Standard |
| Build With A Plan · Premium | $1,997 | 7 days | Enhanced |
- ✓Site plan
- ✓Floor plans
- ✓All 4 elevations
- ✓Electrical plan
- ✓Title 24 energy form
- ✓PDF + DWG delivery
- ✓10 business day turnaround
- ✓Everything in Starter
- ✓Structural plans (stamped)
- ✓Cross-section details
- ✓Window & door schedules
- ✓Material specifications
- ✓1 round of revisions
- ✓Everything in Standard
- ✓3D rendering
- ✓Garage conversion alt plan
- ✓HOA submission package
- ✓2 rounds of revisions
- ✓Priority 7-day turnaround
After You Order
Your Drawings in 3 Steps
Submit Your Project
Share your property address, lot dimensions, and ADU type. We'll confirm your order and assign your project coordinator.
We Draft Your Drawings
Our team designs your permit-ready drawing set — engineered for New Braunfels's building department requirements and TX code. Delivered in 10 business days.
Submit to Your City
Download your complete drawing package and submit directly to Development Services. We support corrections at no extra charge.
Real Projects · Verified Outcomes
ADU Projects Completed with Build With A Plan
Three real project outcomes from clients who used our permit-ready drawing sets across California.
"Drawings were ready on day 9. I submitted to the city the same week. The reviewer called them the cleanest ADU set he'd seen in months."
"Our garage conversion is now renting at $1,850/month. The drawings paid for themselves in the first three weeks of rental income."
"Our JADU was the easiest part of the whole project. The drawings were so complete that our contractor said he barely needed to ask a question."
Client first names and last initials only. Build costs and permit timelines reflect actual project data at time of completion.
Building Code
New Braunfels Climate Zone & Energy Code
Texas Energy Code — The State Energy Conservation Office (SECO) administers the state's IECC-based energy code, which requires residential buildings to meet mandatory efficiency requirements for the building envelope, mechanical systems, and lighting.
Compare Cities
New Braunfels vs. Nearby Texas Cities
| City | Build Cost/sqft | Permit Fees | 1BR ADU Rent | Cap Rate | Drawings |
|---|---|---|---|---|---|
| New Braunfels ← you | $350 | $4,056+ | $1,238/mo | 3% | From $997 |
| Houston | $250 | $2,000+ | $1,143/mo | 6.5% | View → |
| San Antonio | $275 | $2,000+ | $1,024/mo | 6.0% | View → |
| Dallas | $250 | $1,707+ | $1,384/mo | 5.5% | View → |
| Fort Worth | $200 | $2,000+ | $1,254/mo | 6.8% | View → |
Frequently Asked
New Braunfels ADU Questions
How much does it cost to build an ADU in New Braunfels? +
What is the maximum ADU size allowed in New Braunfels? +
How long does the ADU permit process take in New Braunfels? +
Do I need owner-occupancy to build an ADU in New Braunfels? +
What's the rental income potential for an ADU in New Braunfels? +
How much does it cost to get ADU drawings in New Braunfels? +
What drawings are included in the permit set? +
Can I convert my garage to an ADU in New Braunfels? +
What neighborhoods in New Braunfels are best for ADU investment? +
Is New Braunfels ADU-friendly? +
How much will an ADU increase my property value in New Braunfels? +
Can I use my New Braunfels ADU as a short-term rental (Airbnb / VRBO)? +
New Braunfels has a high HOA rate (56%) — do I need HOA approval for an ADU? +
Does New Braunfels's seismic zone affect ADU construction requirements? +
Where do I submit ADU plans in New Braunfels? +
More Services in New Braunfels
Start Your New Braunfels ADU Today
Permit-ready drawings from $997. Delivered in 10 business days. Designed for New Braunfels's building department. 14-day money-back guarantee.
Get My ADU Drawings →Questions? Your coordinator responds within 4 business hours.