Garage Conversion Drawings · Kent, WA
Permit-Ready Garage Conversion
Drawings for Kent, WA
Convert your garage into permitted living space or a rental unit. We deliver complete, code-compliant drawing sets ready for Kent's building department — in 10 business days, starting at $997.
14-day money-back guarantee · 10 business day turnaround
Local Intelligence
What Kent Homeowners Need to Know Before Submitting
Size & Zoning Rules
Converting your garage to a legal rental unit means the finished space must comply with Kent's ADU size limits. Kent's current ADU size cap is 1,000 sq ft — within the typical range for most floor plan configurations.
Kent does not impose an owner-occupancy requirement, so you can rent both the main home and any ADU or conversion as investment units.
A fully permitted, code-compliant garage conversion in Kent can command approximately $1,500/month as a 1-bedroom rental — far more than leaving the space as storage.
Permit Process & Fees
Economic & Community Development permit fees for this project type typically range from $3,000 to $11,000 depending on project valuation and scope. Plan check runs approximately 8 weeks — though each correction cycle adds 3–6 weeks, which is why code-compliant drawings matter so much.
Garage conversion drawings submitted to Economic & Community Development 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 Economic & Community Development ↗Construction Cost Context
Kent's garage conversion construction costs run $350–$560 per square foot — a wide 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 Kent
Kent's Economic & Community Development department requires a separate side sewer inspection through the City before they'll sign off on your ADU, and if your home is on an older section of pipe (common in the East Hill and Panther Lake areas), you may get flagged for a full sewer line replacement rather than a simple tie-in. Because Kent sits in Seismic Design Category D2, engineers often need to add extra shear wall bracing or hold-down hardware for detached ADUs, which can quietly add a few thousand dollars that generic online cost estimates never mention. Also, if you're planning to use the ADU as a short-term rental, Kent requires a separate business license and lodging tax registration on top of the building permit — a step many homeowners don't discover until after construction is done.
Expert Verdict — Marcus Reid, Licensed Designer
"In my experience with Kent permits, that 8-week timeline is best-case and assumes zero correction cycles — I've rarely seen a first submittal sail through, so budget an extra 3-4 weeks for review comments; and that $500/sqft figure is a state-level estimate, not a Kent-specific quote, so I'd call a couple of local contractors and Economic & Community Development directly before you pencil out your budget."
Market Context
Kent has a median home value of $522,000. Comparable renovation projects in this market typically add 28.0% to resale value.
Neighborhoods in Kent with the strongest garage conversion and rental-unit potential include East Hill, Meridian, Scenic Hill, Lake Meridian, West Hill. Large single-family lots, strong commuter demand and competitive housing market make ADUs profitable.
Permit Process
Permit applications are reviewed by the Economic & Community Development, with a plan check timeline of approximately 8 weeks. Permit fees in Kent range from $3,000 to $11,000 depending on project scope. Design review: No (except potential review for landmark/historic properties).
Kent falls within Seismic Design Category Seismic Design Category D2 (per Washington state SDC maps; site-specific SDS/site-class may alter the category), which affects structural requirements for converted garage walls and foundations.
Local Financing Resources
Local Garage Conversion Lenders in Kent
These lenders offer HELOC, construction, and renovation loans for garage conversion projects in King County. Compare terms before committing.
Offers HELOC and fixed home equity loans up to 90% LTV for WA properties with a 10-year draw period.
Visit Lender ↗Provides HELOCs up to $500,000 with interest-only payments during a 10-year draw period and fixed-rate options.
Visit Lender ↗Offers home equity lines and loans up to 90% LTV with a maximum loan amount of $500,000.
Visit Lender ↗Features a hybrid HELOC with a 10-year draw period and the ability to lock in fixed-rate segments for home improvements.
Visit Lender ↗A fintech marketplace partnering with credit unions to offer loans up to $750,000 based on after-renovation value.
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 Kent
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 Kent Garage Conversion Package
Transparent Pricing
Kent 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 Kent's building department requirements and WA code. Delivered in 10 business days.
Submit to Your Building Dept
Download your complete package and submit to Economic & Community Development. We support plan check corrections at no extra charge.
Common Questions
Kent Garage Conversion FAQs
Is a garage conversion allowed in Kent? +
Yes — garage conversions are permitted in Kent. Washington 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 Kent? +
Garage conversions in Kent 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 Kent? +
Kent'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 Kent? +
Plan check in Kent typically takes approximately 8 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 Kent? +
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 Kent'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 WA energy code requirements, which we handle in the Title 24 compliance documentation.
How much does it cost to get garage conversion drawings in Kent? +
Our permit-ready garage conversion drawing packages for Kent start at $997. Local architects typically charge $2,500–$6,000 for the same set. Every package is engineered for WA code compliance and formatted for Kent'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 Kent? +
A permitted garage conversion in Kent adds rentable square footage to a home currently valued around $522,000. 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 Kent
Need full ADU design drawings instead?
Next Steps
Ready to Move Forward With Your Kent 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 Economic & Community Development.
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 Economic & Community Development. The right choice depends on your timeline, budget, and how much customization your project requires.