Garage Conversion Drawings · McAllen, TX
Permit-Ready Garage Conversion
Drawings for McAllen, TX
Convert your garage into permitted living space or a rental unit. We deliver complete, code-compliant drawing sets ready for McAllen's building department — in 10 business days, starting at $997.
14-day money-back guarantee · 10 business day turnaround
Local Intelligence
What McAllen Homeowners Need to Know Before Submitting
Size & Zoning Rules
Converting your garage to a legal rental unit means the finished space must comply with McAllen's ADU size limits. McAllen's current ADU size cap is 650 sq ft — on the tighter end, which constrains larger conversion plans.
McAllen currently requires owner-occupancy on the primary parcel — meaning one of the units (the main home or the ADU/conversion) must be your primary residence.
A fully permitted, code-compliant garage conversion in McAllen can command approximately $750/month as a 1-bedroom rental — far more than leaving the space as storage.
Permit Process & Fees
City of McAllen Building Permits & Inspections permit fees for this project type typically range from $927 to $1,021 depending on project valuation and scope. Plan check runs approximately 0.6 week — though each correction cycle adds 3–6 weeks, which is why code-compliant drawings matter so much.
Garage conversion drawings submitted to City of McAllen Building Permits & Inspections must include a site plan, floor plans, all four elevations, an electrical plan, and energy compliance documentation — plus stamped structural plans are typically required for converted garages that are detached or require seismic upgrades.
Visit City of McAllen Building Permits & Inspections ↗Construction Cost Context
McAllen's garage conversion construction costs run $160–$224 per square foot — a moderate range driven by labor markets, local code complexity, and finish level. Our drawings are priced at a fraction of what a full-service architect would charge to produce the same permit set.
⚠ Common Pitfall in McAllen
McAllen's Public Works department will often require a separate water tap and meter for the ADU if your existing service line is under 3/4 inch, and that upsizing means cutting into the street or easement — a cost that can run $4,000-$7,000 and isn't in most cost estimates homeowners see online. Many older McAllen neighborhoods, especially those platted before the 1980s, also have utility easements that run right through the backyard where owners want to build, so a survey showing exact easement lines is needed before the Building Permits office will even log your application. Because McAllen requires a plat verification for accessory structures, homeowners without a recorded plat on file (common in older colonias-adjacent areas) get bounced to Hidalgo County records first, adding 1-2 weeks before the city clock even starts.
Expert Verdict — Marcus Reid, Licensed Designer
"In my 11 years reviewing McAllen submittals, a 0.6-week plan check timeline is essentially a paperwork-only scenario — I've never seen a real ADU clear the city's queue that fast once you factor in even one correction round, so treat that figure as a state-level estimate and call the City of McAllen Building Permits & Inspections office directly for their current turnaround. The $225/sqft build cost also reads like a broad average rather than a McAllen-specific quote, so I'd get at least two local contractor bids before penciling out your budget."
Market Context
McAllen has a median home value of $167,000. Comparable renovation projects in this market typically add 22% to resale value.
Neighborhoods in McAllen with the strongest garage conversion and rental-unit potential include Uptown, Old Towne, Sharyland, North McAllen (General Area), Las Villas. Features a higher median listing price and rental demand, suggesting a strong market for ADUs, potentially with larger lots in older sections.
Permit Process
Permit applications are reviewed by the City of McAllen Building Permits & Inspections, with a plan check timeline of approximately 0.6 weeks. Permit fees in McAllen range from $927 to $1,021 depending on project scope. Design review: Yes - in historic districts only.
McAllen falls within Seismic Design Category Seismic Design Category A (SDC A), which affects structural requirements for converted garage walls and foundations.
Local Financing Resources
Local Garage Conversion Lenders in McAllen
These lenders offer HELOC, construction, and renovation loans for garage conversion projects in Hidalgo County. Compare terms before committing.
Offers personal/home-improvement loans for members (useful for ADU renovations); contact McAllen branch for exact loan sizes and HELOC availability.
Visit Lender ↗Home equity loans/HELOCs (can borrow against up to ~80% of home equity depending on purpose/term); available through McAllen branches.
Visit Lender ↗Offers one-time-close construction loans for new builds (suitable for ADU construction)—contact local McAllen office for amounts/rates.
Visit Lender ↗Home equity/HELOC products with competitive rates and low closing costs—serves members in the Rio Grande Valley.
Visit Lender ↗RenoFi partners with credit unions nationwide to offer renovation/ADU-focused loan products; availability in McAllen depends on local credit-union partners.
Visit Lender ↗Build With A Plan is not affiliated with these lenders. Always compare rates and consult a mortgage professional.
Local Build Partners
Vetted Garage Conversion Contractors in McAllen
We draw the plans. These contractors build the conversion. 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.
Drawing Package Details
What's Included in Your McAllen Garage Conversion Package
Transparent Pricing
McAllen Garage Conversion Drawing Packages
One-time fee. No retainer. No hourly billing.
- ✓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
- ✓HOA submission package
- ✓ADU conversion alt plan
- ✓2 rounds of revisions
- ✓Priority 5-day turnaround
After You Order
Your Conversion Drawings in 3 Steps
Submit Your Garage Details
Share your property address, garage dimensions, and intended use (ADU, rental, home office). We confirm your order and assign your project coordinator within 4 business hours.
We Draft Your Drawings
Our team designs your complete conversion drawing set — engineered for McAllen's building department requirements and TX code. Delivered in 10 business days.
Submit to Your Building Dept
Download your complete package and submit to City of McAllen Building Permits & Inspections. We support plan check corrections at no extra charge.
Common Questions
McAllen Garage Conversion FAQs
Is a garage conversion allowed in McAllen? +
Yes — garage conversions are permitted in McAllen. Texas state law allows homeowners to convert an attached or detached garage into habitable living space or an ADU. A building permit and permit-ready drawings are required before work begins.
How much does a garage conversion cost in McAllen? +
Garage conversions in McAllen typically range from $110,000 to $242,000 depending on the existing structure, finish level, and scope of work. This is significantly less than building a new detached ADU. Our drawing package starts at $997 — a fraction of what a local architect would charge for the same permit-ready set.
What drawings are required to permit a garage conversion in McAllen? +
McAllen's building department requires: a site plan showing the converted garage's location on the lot, floor plans with dimensions and room labels, all four exterior elevations, an electrical plan, and energy compliance documentation (Title 24 in California). Our Starter package covers all of these. If the garage is detached or the structure requires seismic upgrades, stamped structural drawings are also required — included in our Premium package.
How long does the permit process take for a garage conversion in McAllen? +
Plan check in McAllen typically takes approximately 0.6 weeks. Having complete, code-compliant drawings dramatically reduces correction cycles — which each add 3–6 weeks. Our drawings are designed to pass on the first submittal.
Can I convert my garage into a rental unit in McAllen? +
Yes — a permitted garage conversion can function as a standalone rental unit (ADU or JADU depending on size). In California, converted garages under 500 sq ft qualify as Junior ADUs (JADUs), while larger conversions qualify as full ADUs. Both can be rented long-term. Short-term rental rules vary by city — confirm with McAllen's planning department.
Do I need to replace the garage door opening when converting? +
Yes. The garage door must be replaced with an insulated wall with a standard entry door and at least one egress window (minimum 5.7 sq ft clear opening). This is captured in our elevation drawings and flagged in the electrical plan. The new wall must also meet TX energy code requirements, which we handle in the Title 24 compliance documentation.
How much does it cost to get garage conversion drawings in McAllen? +
Our permit-ready garage conversion drawing packages for McAllen start at $997. Local architects typically charge $2,500–$6,000 for the same set. Every package is engineered for TX code compliance and formatted for McAllen's building department. Turnaround is 10 business days with a 14-day money-back guarantee.
Will converting my garage increase my home's value in McAllen? +
A permitted garage conversion in McAllen adds rentable square footage to a home currently valued around $167,000. Converted spaces typically appraise as habitable square footage, increasing the home's value. As an ADU or JADU, the rental income stream is also capitalized into the appraised value — typically at a 5–6% cap rate.
Nearby Cities
Also Available in McAllen
Need full ADU design drawings instead?
Next Steps
Ready to Move Forward With Your McAllen 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 City of McAllen Building Permits & Inspections.
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 – $2,997
- ✓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 City of McAllen Building Permits & Inspections. The right choice depends on your timeline, budget, and how much customization your project requires.