Floor Plan Drafting · Irvine, CA
Professional Floor Plan Drafting
for Irvine, CA Homes
As-built drawings, permit-ready floor plans, and renovation layouts for Irvine homeowners, investors, and contractors. Accurate CAD drawings in 10 business days, starting at $997.
14-day money-back guarantee · 10 business day turnaround
Common Uses in Irvine
Local Intelligence
What Irvine Homeowners Need to Know Before Submitting
Size & Zoning Rules
Accurate floor plans are the foundation of any ADU, garage conversion, or addition permit in Irvine — Planning and Development Services will not accept a permit application without them. Irvine's current ADU size cap is 1,200 sq ft — generous enough to accommodate most project types.
Irvine does not impose an owner-occupancy requirement, so you can rent both the main home and any ADU or conversion as investment units.
Homeowners in Irvine who document and legitimize their square footage correctly are positioning a home in a rental market where 1-bedroom units average approximately $2,729/month.
Permit Process & Fees
Planning and Development Services permit fees for this project type typically range from $1,918 to $12,494 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.
Floor plans submitted to Planning and Development Services as part of a permit application must include a site plan, floor plans, all four elevations, an electrical plan, and energy compliance documentation — plus if structural changes are involved, a licensed engineer must stamp the structural drawings.
Visit Planning and Development Services ↗Construction Cost Context
Irvine's adu / renovation construction costs run $210–$490 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 Irvine
Most Irvine neighborhoods are governed by "The Irvine Company" master HOA covenants that predate the state's ADU laws, and while state law overrides outright HOA bans, many village associations still require a separate architectural review submission before you can even apply with Planning and Development Services — this can quietly add 3-4 weeks and sometimes a design resubmission if your ADU's exterior materials don't match the community's approved palette. Because Irvine sits in Seismic Zone D, plan checkers here are also particularly strict about lateral bracing calculations for detached ADUs built over garages, which trips up a lot of standard prefab plans pulled from other counties. On top of that, older villages like Turtle Rock or Northwood often have undersized sewer laterals, so the city may require a sewer lateral video inspection before signing off on final utility connection — a step homeowners rarely budget for.
Expert Verdict — Marcus Reid, Licensed Designer
"In my experience with Irvine's plan check process, that 8-week timeline and $300/sqft figure read as state-level estimates rather than what I see on the ground here — I'd call Planning and Development Services directly and get at least two local contractor quotes before penciling in a budget or start date. With 80% of the city's neighborhoods sitting under an HOA, don't overlook that approval layer either — it often runs parallel to the city process but can just as easily become the pacing item."
Market Context
Irvine has a median home value of $1,167,000. Comparable renovation projects in this market typically add 28.0% to resale value.
Neighborhoods in Irvine with the strongest renovation and resale value potential include Northwood, Woodbridge, University Town Center (University Park), Turtle Rock, Westpark. Older single-family lots and proximity to job corridors make it high-opportunity for detached ADUs.
Permit Process
Permit applications are reviewed by the Planning and Development Services, with a plan check timeline of approximately 8 weeks. Permit fees in Irvine range from $1,918 to $12,494 depending on project scope. Design review: No — ministerial permit only; private HOA/Architectural Review Committees may review exterior design but the City does not require discretionary design-board approval.
Irvine falls within Seismic Design Category D (typically), E, or F, which affects structural requirements for any new addition tying into the existing structure.
Local Financing Resources
Local Floor Plan Lenders in Irvine
These lenders offer HELOC and renovation financing that often requires accurate as-built drawings in Orange County. Compare terms before committing.
Home equity loans/HELOCs $10,000–$500,000 (used for renovations); rates and CLTV depend on credit and occupancy.
Visit Lender ↗Offers HELOCs and fixed-rate home equity options with local Irvine branches (loan terms and rates vary; example HELOC rates visible on product page).
Visit Lender ↗Home equity loans and HELOCs up to ~$500,000 (fixed or variable) — suitable for renovation or ADU funding subject to membership/qualification.
Visit Lender ↗Pacific Premier (now Columbia Bank) historically offered construction lending and home equity lines; Columbia Bank lists HELOC and construction lending capabilities after the acquisition.
Visit Lender ↗RenoFi provides a renovation underwriting platform (RenoFi Loans commonly support renovation budgets up to $750k and partner with credit unions/lenders nationwide).
Visit Lender ↗Build With A Plan is not affiliated with these lenders. Always compare rates and consult a mortgage professional.
Local Build Partners
Vetted Local Contractors in Irvine
Need a contractor once your drawings are ready? These are vetted local options. 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.
What We Deliver
What's Included in Your Irvine Floor Plan Package
Transparent Pricing
Irvine Floor Plan Packages
One-time fee. No retainer. No hourly billing.
- ✓As-built floor plans (all levels)
- ✓Verified square footage
- ✓Door & window schedule
- ✓Room labels and dimensions
- ✓PDF + DWG delivery
- ✓10 business day turnaround
- ✓Everything in Starter
- ✓Electrical layout documentation
- ✓Plumbing fixture locations
- ✓Site plan with setbacks
- ✓Code notations for permit submittal
- ✓1 round of revisions
- ✓Everything in Standard
- ✓Proposed renovation overlay
- ✓3D massing model
- ✓HOA submission package
- ✓Title 24 energy compliance
- ✓2 rounds of revisions
- ✓Priority 5-day turnaround
How It Works
Your Floor Plans in 3 Steps
Share Your Home Details
Provide your property address, room measurements, and photos. We'll confirm your order and assign a drafting coordinator within 4 business hours.
We Draft Your Plans
Our CAD team converts your measurements into precise, scaled floor plans — formatted for Irvine's building department and CA code standards. Delivered in 10 business days.
Download and Use
Receive your drawings in PDF and DWG format — ready for permit submittal, contractor bidding, listing agents, appraisers, or HOA submission.
Common Questions
Irvine Floor Plan Drafting FAQs
When do I need professionally drafted floor plans in Irvine? +
You need accurate floor plans for: permit applications (required by Irvine's building department for any structural work), refinancing or home equity loans, selling your home (accurate square footage documentation), renovation contractor bidding, HOA design review submissions, and insurance claims. Our as-built drawings capture your home's exact current dimensions.
What is an as-built floor plan and why do I need one in Irvine? +
An as-built floor plan documents your home as it currently exists — including all room dimensions, door and window locations, wall thicknesses, and square footage. These are required when the original permit drawings are unavailable or the home was modified without permits. Irvine's building department requires accurate as-builts when you apply for renovation or addition permits on older homes.
How much does floor plan drafting cost in Irvine? +
Our floor plan drafting packages for Irvine start at $997 for a standard residential home. This includes measured floor plans for all levels, room labels, door and window schedules, and verified square footage. Local drafting services typically charge $1,500–$4,000 for the same work. We deliver within 10 business days with a 14-day money-back guarantee.
How do you create floor plans remotely for my Irvine home? +
You provide basic measurements (room dimensions, door/window sizes) and photos of each room. Our drafting team converts these into accurate CAD drawings with precise dimensions, wall thicknesses, and notations. For permit-grade as-built drawings, we may request additional measurements or a site visit from a local partner. We serve all Irvine neighborhoods remotely.
What format are the floor plan drawings delivered in? +
We deliver drawings in PDF (for printing and permit submission) and DWG/DXF (AutoCAD-compatible format for contractors, engineers, and architects to work from). All drawings are formatted to Irvine building department standards and include title block, scale, and code notations required for permit submission.
Can you draft floor plans for a rental property or multi-unit building in Irvine? +
Yes — we draft floor plans for single-family homes, duplexes, triplexes, ADUs, condos, and small commercial properties in Irvine. Multi-unit buildings are priced based on the total number of units and floors. Contact us for a custom quote if your property has more than 4 units.
Will accurate floor plans increase my home's value in Irvine? +
In Irvine, where median home values are around $1,167,000, inaccurate or missing square footage records can suppress list price and appraisal value. Professional as-built drawings establish defensible square footage for appraisers and buyers. Unpermitted additions documented and legitimized through permit drawings can recover thousands in appraised value.
Do I need floor plans to get an ADU or addition permit in Irvine? +
Yes — Irvine's building department requires accurate floor plans as part of any ADU, garage conversion, or addition permit application. Our packages combine floor plan drafting with the full permit-ready drawing set (site plan, elevations, electrical, Title 24) needed for plan check submittal. If you only need the floor plans themselves, our Starter package covers that.
Can you draft floor plans from old blueprints or photos in Irvine? +
Yes — we can redraft from original blueprints, scans of old permit sets, hand-drawn sketches, or room photos combined with your measurements. We regularize old drawings to current CAD standards and update them to reflect any modifications made since original construction. This is a common service for Irvine homes built before the 1990s.
Nearby Cities
Also Available in Irvine
Planning to build an ADU? See our ADU design service.
Next Steps
Ready to Move Forward With Your Irvine 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 Planning and 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 – $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 Planning and Development Services. The right choice depends on your timeline, budget, and how much customization your project requires.