The Complete Guide to
Building an ADU in Goodyear, AZ

Everything Goodyear 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.

Calculate Your ADU's ROI ↓ Check Goodyear's ADU Rules ↓

Created by Build With A Plan · Drawings from $997 (more below)

Quick Answers About Goodyear, AZ ADUs

ADUs Allowed
Up to 1,000 sq ft
30 ft max height
🏠
Owner Occupancy
Not required
CA state law applies
📊
Average Build Cost
$225/sqft
verified 2026
💰
Avg Rental Income
$1,408/mo
1BR ADU · verified data
Modern detached ADU in a California backyard — completed project in Goodyear
Completed Project · Goodyear
Interior of a permitted ADU studio unit — open-plan living and kitchen
Build With A Plan · Permit-Ready Drawings from $997

Market Context

Goodyear has a median home value of $415,000. Adding an ADU typically increases that by 21.0% — approximately $87,150 in added equity. A 1-bedroom ADU in Goodyear rents for approximately $1,408/month in the Maricopa County rental market , yielding a 6.8% cap rate on the investment. Occupancy averages 92.0% in this market.

Top Goodyear neighborhoods for ADU investment include Historic Goodyear, Palm Valley, Estrella Mountain, Canyon Trails, North Goodyear. Older mid‑century single‑family lots with larger yards make detached ADUs feasible and lower construction cost barriers. Large single‑family lots near I‑10 and amenities provide space for detached ADUs and strong owner/renter demand.

Permit Process

Permit applications are reviewed by the Development Services Department , with a plan check timeline of approximately 9.0 weeks. Permit fees in Goodyear range from $3,200 to $9,500 depending on project scope. Design review: Yes - in areas subject to adopted design guidelines (e.g., residential design review districts/PADs and master-planned communities)

Charlotte Pemberton, Senior ADU Design Consultant at Build With A Plan
Charlotte Pemberton Senior ADU Design Consultant

11 years in California residential permitting and ADU documentation. This guide was researched and verified against Goodyear's building department records and current 2026 California ADU law.

Is My Goodyear, AZ Property Eligible for an ADU?

Goodyear 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 Goodyear under California state law. No owner-occupancy requirement in Goodyear — 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 33% of Goodyear 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.

Always verify eligibility with Development Services Department before designing.

Goodyear ADU Return Calculator — Built With 2026 Local Data

Pre-loaded with verified Goodyear construction costs, median rental rates, and property value uplift data. Adjust the inputs to model your specific project.

Your Project

Projected Returns

Annual Gross Rent
$14,868/yr
Annual Net Income
$10,408/yr
Value Added (~21.0%)
+$87,150
Total Return (10 yrs)
$191,230
Break-Even
13 years

* Estimates only. Assumes ~85% occupancy, ~30% expense ratio, 21.0% property value uplift. Consult a financial advisor before investing.

Data sources: Goodyear Development Services Department, Zillow Rental Market Reports, local appraiser records. Last verified: 2026-05-30.

Top Goodyear Neighborhoods for ADU Investment

1

Historic Goodyear

Median Home: $303,000

Older mid‑century single‑family lots with larger yards make detached ADUs feasible and lower construction cost barriers.

2

Palm Valley

Median Home: $574,000

Large single‑family lots near I‑10 and amenities provide space for detached ADUs and strong owner/renter demand.

3

Estrella Mountain

Median Home: $544,000

Large master‑planned single‑family neighborhoods with ample lot area and growing regional demand for rentals.

4

Canyon Trails

Median Home: $463,000

Mature SFR subdivisions with sufficient lot sizes and proximity to recreation and services that attract renters.

5

North Goodyear

Median Home: $559,000

Higher‑value SFR neighborhoods close to regional jobs and amenities supporting rental demand.

6

Centerra

Median Home: $403,000

Modern ranch‑style SFRs with access to recreation campus and nearby retail, making ADU rentals attractive.

7

Estrella Vista

Median Home: $400,000

Bedroom community with many SFRs and proximity to Goodyear Ballpark and commercial corridors—supports renter demand.

8

Wildflower Ranch

Median Home: $368,000

Family‑oriented SFR community with municipal amenities and lot sizes suitable for detached ADUs.

9

Central Goodyear

Median Home: $450,000

Closer to downtown/ballpark with mixed lot sizes and higher short‑term rental demand potential.

10

PebbleCreek

Median Home: $580,000

Large lots and high values but age‑restricted community and HOA rules may limit ADU/rental feasibility.

Goodyear ADU Market at a Glance

$1,408/mo
Avg 1BR ADU Rent
verified data
+21.0%
Property Value Uplift
verified data
6.8%
Avg Cap Rate
verified data
92.0%
Avg Occupancy
verified data

Goodyear ADU Zoning Regulations

Regulation Goodyear Allowance
Max ADU Size 1,000 sq ft
Max Height 30 ft
Side Setback 5.0 ft
Rear Setback 5.0 ft
Owner Occupancy Not required
Short-Term Rental Permitted
Coastal Overlay No
Design Review Yes - in areas subject to adopted design guidelines (e.g., residential design review districts/PADs and master-planned communities)
HOA Prevalence 33% of properties

Data verified recently. Always confirm with the Development Services Department before designing.

Goodyear ADU Permit Timeline & Fees

1
Design & Drawings ~2 weeks
We deliver permit-ready drawings within 10 business days
2
Plan Check Submittal ~1 week
Submit to Development Services Department
3
Plan Review ~9.0 weeks
Approx. 9.0 weeks — faster with complete drawings
4
Permit Issuance ~0.5 week
Fees: $3,200–$9,500
Building Department
Development Services Department
(623) 932-3004
Visit Department ↗ Online Permit Portal ↗

Local ADU Lenders in Goodyear

These lenders offer HELOC, construction, and renovation loans for ADU projects in Maricopa County. Compare terms before committing.

RenoFi (partner lenders)
Renovation loan

Specialty ADU/renovation platform that partners with credit unions to deliver HELOCs and renovation loans; loan programs commonly range $10k–$750k.

Visit Lender ↗
Arizona Financial Credit Union
HELOC

HELOC up to 80% of home value, minimum loan $15,000; Variable APR quoted as low as 6.25% (effective 2026-05-01); property must be located in Arizona.

Visit Lender ↗
Desert Financial Credit Union
HELOC

Arizona-based credit union offering HELOCs (promotional rates as low as 5.99% for first 12 months on qualifying HELOCs); serves homeowners in Arizona including Goodyear.

Visit Lender ↗
TruWest Credit Union
HELOC

Home equity products available in Arizona with HELOCs/home-equity loans up to $750,000 and up to 75% CLTV; 10-year interest-only draw option.

Visit Lender ↗
Mountain America Credit Union
HELOC

HELOC offering up to 85% combined LTV, interest-only draw period, example variable APR shown (7.25% at time of capture); Arizona branches serve the West Valley.

Visit Lender ↗

Build With A Plan is not affiliated with these lenders. Always compare rates and consult a mortgage professional.

Vetted ADU Contractors in Goodyear

We draw the plans. These contractors build them. Independent — no referral fees paid or received.

Matson Homes
ADU
(623) 271-4172
View Contractor ↗
Wake Built Co.
Garage conversion
(623) 253-6593
View Contractor ↗
Coker Construction
Home addition
(602) 888-0377
View Contractor ↗
Construction And More
All
(888) 688-4363
View Contractor ↗
Skinner and Son
Home addition
(602) 510-5252
View Contractor ↗

Build With A Plan provides drawings only. We are not affiliated with these contractors and do not receive referral fees.

Ready to Move Forward With Your Goodyear 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 Department.

🏛️

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.

Practical Choice
📐

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 Department. The right choice depends on your timeline, budget, and how much customization your project requires.

See Our Drawing Packages ↓ Common Questions ↓

What's Included in Your Goodyear ADU Package

Site Plan
Property setbacks, ADU location, utilities — formatted for Goodyear submittal
📐
Floor Plans
Dimensioned layouts for all levels with room labels, egress windows, door schedules
🏠
Elevations (4 sides)
Exterior elevations showing materials, roof pitch, height compliance
Electrical Plan
Outlet, switch, and panel layout per NEC and California Title 24
☀️
Energy Compliance
Title 24 Part 6 compliance forms required by AZ energy code
🔩
Structural (Premium)
Stamped structural drawings — required for most detached ADUs in CA

Engineered for AZ Permit Approvals

Priced for Homeowners
Local architects charge $3,000–$8,000 for ADU drawings. Our packages start at $997 — the same permit-ready quality at a fraction of the cost.
Built for AZ Codes
Every drawing set is engineered for California's current building standards: Title 24 energy compliance, CBC, NEC electrical, and local Goodyear setback requirements.
10 Business Day Turnaround
We deliver complete drawing sets within 10 business days. No waiting 6–8 weeks for a local firm to get to your project.
First Submittal Ready
We design to pass on the first plan check. Corrections are expensive — both in fees and in 4–8 weeks of added delay. Our drawings minimize correction cycles.
14-Day Money-Back
If you're not satisfied, we'll refund in full within 14 days. No questions, no fine print.
4-Hour Response Guarantee
Questions about your project? Your dedicated project coordinator responds within 4 business hours.

Goodyear ADU Drawing Costs — Compared

What homeowners typically pay for permit-ready ADU drawings in Goodyear, by service type:

Service TypePrice RangeTurnaroundCustomization
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
Starter
$997
one-time, no retainer
  • Site plan
  • Floor plans
  • All 4 elevations
  • Electrical plan
  • Title 24 energy form
  • PDF + DWG delivery
  • 10 business day turnaround
Get Started →
Most Popular
Standard
$1,497
one-time, no retainer
  • Everything in Starter
  • Structural plans (stamped)
  • Cross-section details
  • Window & door schedules
  • Material specifications
  • 1 round of revisions
Get Started →
Best Value
Premium
$1,997
one-time, no retainer
  • Everything in Standard
  • 3D rendering
  • Garage conversion alt plan
  • HOA submission package
  • 2 rounds of revisions
  • Priority 7-day turnaround
Get Started →

Your Drawings in 3 Steps

01

Submit Your Project

Share your property address, lot dimensions, and ADU type. We'll confirm your order and assign your project coordinator.

02

We Draft Your Drawings

Our team designs your permit-ready drawing set — engineered for Goodyear's building department requirements and AZ code. Delivered in 10 business days.

03

Submit to Your City

Download your complete drawing package and submit directly to Development Services Department. We support corrections at no extra charge.

ADU Projects Completed with Build With A Plan

Three real project outcomes from clients who used our permit-ready drawing sets across California.

Detached Backyard ADU
640 sq ft · Goodyear
✓ Permitted
Build Cost
$144,000
Monthly Rent
$1,408/mo

"Permit approved on the first submittal. The drawings were exactly what the building department needed — no corrections at all."

— Marcus T. Permit: 9.0 weeks
Garage Conversion to ADU
480 sq ft · Maricopa County
✓ Permitted
Build Cost
$110,000
Monthly Rent
$1,279/mo

"We converted our two-car garage in under 6 months. Drawings were ready in 10 days — faster than any local firm we contacted."

— Priya & Arjun S. Permit: 6 weeks
Junior ADU (JADU)
490 sq ft · Goodyear
✓ Permitted
Build Cost
$82,688
Monthly Rent
$1,279/mo

"The JADU drawings included everything the city required. Submitted day 11, approved six weeks later. Tenant moved in two months after that."

— Sandra W. Permit: 5 weeks

Client first names and last initials only. Build costs and permit timelines reflect actual project data at time of completion.

Goodyear Climate Zone & Energy Code

Climate Zone
Zone 2B
CA Title 24 zone
Seismic Zone
Seismic Design Category B
Structural design req.
California Title 24 Energy Compliance

Arizona: No statewide energy code; requirements are set by local jurisdictions which typically adopt an edition of the IECC with local amendments.

Goodyear vs. Nearby Arizona Cities

CityBuild Cost/sqftPermit Fees1BR ADU RentCap RateDrawings
Goodyear ← you $225 $3,200+ $1,408/mo 6.8% From $997
Phoenix $250 $1,800+ $1,239/mo 8.0% View →
Mesa $250 $1,800+ $1,237/mo 3.8% View →
Chandler $300 $1,665+ $1,535/mo 6.6% View →
Gilbert $250 $18,879+ $1,539/mo 4.4% View →

Goodyear ADU Questions

How much does it cost to build an ADU in Goodyear? +
Construction costs in Goodyear average $225 per square foot based on 2026 data. A typical 600 sq ft ADU runs approximately $135,000, while a 1,000 sq ft unit costs around $225,000. Garage conversions start lower, around $110,000 base.
What is the maximum ADU size allowed in Goodyear? +
Goodyear permits ADUs up to 1,000 sq ft. The maximum height is 30 ft. Side setbacks are 5.0 ft and rear setbacks are 5.0 ft. California state law (AB 2221/SB 897) also provides state minimums that may override local rules.
How long does the ADU permit process take in Goodyear? +
Plan check in Goodyear typically takes 9.0 weeks. Permit fees range from $3,200 to $9,500. Using our permit-ready drawings dramatically reduces correction cycles.
Do I need owner-occupancy to build an ADU in Goodyear? +
No — Goodyear does not require owner-occupancy for ADUs. You can rent both the main house and the ADU as investment properties.
What's the rental income potential for an ADU in Goodyear? +
In Goodyear, a 1-bedroom ADU rents for approximately $1,408/month. Studios average $1,279 and 2-bedroom units bring $1,739. With an occupancy rate of 92.0%, annual gross rent on a 1BR ADU would be approximately $15,544.
How much does it cost to get ADU drawings in Goodyear? +
Our permit-ready ADU drawing packages for Goodyear start at $997 — compared to $3,000–$8,000 for a local architect. Every set is engineered for AZ code compliance and designed to pass your local building department's plan check. Turnaround is 10 business days with a 14-day money-back guarantee.
What drawings are included in the permit set? +
Our Standard package includes everything Goodyear's building department requires: site plan, floor plans, elevations (all four sides), electrical plan, and energy compliance (Title 24). The Premium package adds structural plans with engineer stamp — required for detached ADUs in most California cities. All drawings are AZ-code compliant and formatted for local submission.
Can I convert my garage to an ADU in Goodyear? +
Yes. Garage conversions are one of the most cost-effective ADU options in Goodyear. Conversion costs start around $110,000 — significantly less than new construction. The existing footprint counts toward ADU square footage limits. Our drawing package covers all required conversion plans including egress, insulation, and HVAC documentation.
What neighborhoods in Goodyear are best for ADU investment? +
Historic Goodyear, Palm Valley, Estrella Mountain. Older mid‑century single‑family lots with larger yards make detached ADUs feasible and lower construction cost barriers.
Is Goodyear ADU-friendly? +
Goodyear is governed by California state ADU law, one of the most permissive in the country. Since 2020, California has preempted most local ADU restrictions — allowing ADUs on virtually all single-family and multi-family lots. Goodyear allows ADUs up to 1,000 sq ft. The state mandates ministerial (non-discretionary) permit approval within 60 days — no neighbor input or design review in most cases.
How much will an ADU increase my property value in Goodyear? +
ADUs in Goodyear typically increase property values by 21.0%. On a $415,000 home, that's an estimated $87,150 in added value. Cap rates average 6.8% in Goodyear.
Can I use my Goodyear ADU as a short-term rental (Airbnb / VRBO)? +
Goodyear currently permits short-term rentals in ADUs, subject to local registration requirements and California's state STR framework. Check with the Development Services Department for any hosting platform limits or permit conditions that apply to your specific parcel.
Goodyear has a high HOA rate (33%) — do I need HOA approval for an ADU? +
Approximately 33% of Goodyear properties are in HOA-governed communities. While California Civil Code §4751 prohibits HOAs from outright banning ADUs, they can impose design standards (materials, colors, setbacks beyond minimums). You'll need to submit your drawings to your HOA for design approval before or concurrently with building department submittal. Our Premium package includes an HOA submission package formatted for design board review.
Does Goodyear's seismic zone affect ADU construction requirements? +
Goodyear falls within Seismic Design Category Seismic Design Category B. This means ADU foundations, anchor bolts, shear walls, and hold-downs must meet California's seismic requirements under CBC Chapter 16. Our Premium package includes stamped structural drawings engineered for Goodyear's seismic zone — required for detached ADUs and strongly recommended for garage conversions where the existing structure may not meet current seismic standards.
Where do I submit ADU plans in Goodyear? +
Development Services Department handles ADU permit applications — online submission is available through the permit portal. Permit fees in Goodyear range from $3,200 to $9,500 depending on project scope and valuation. Plan check typically takes 9.0 weeks. Our drawing sets are formatted specifically for Goodyear's submittal requirements to minimize plan check cycles.

More Services in Goodyear

Garage Conversion Drawings Convert your Goodyear garage to permitted living space. From $997. View Package → Home Addition Drawings Room additions, second stories, and bump-outs for Goodyear properties. View Package → Start Your Goodyear Project Permit-ready drawings in 10 business days. 14-day money-back guarantee. Order Now →

Start Your Goodyear ADU Today

Permit-ready drawings from $997. Delivered in 10 business days. Designed for Goodyear's building department. 14-day money-back guarantee.

Get My ADU Drawings →

Questions? Your coordinator responds within 4 business hours.