Question 1

What is ADU AI?

Accepted Answer

ADU AI is an AI design and planning platform for homeowners, built by Blueprints AI. Enter your property address and it generates pre-engineered ADU blueprint options overlaid on your actual lot, with 3D visualization and instant cost estimates. Pick a plan, download the permit-ready package, and file with your city the same day.

Question 2

How do I get started with ADU AI?

Accepted Answer

Just your property address. Enter it at app.adus-ai.com and ADU AI pulls your parcel data, zoning, and setbacks automatically — no surveys to order, no documents to upload. The first thing you see is a set of pre-engineered plans that fit your specific lot.

Question 3

How long does it take to see ADU plans for my property?

Accepted Answer

Under two minutes. Enter your address and ADU AI analyzes your parcel, then shows pre-engineered plans that fit your lot — each one overlaid on your property in 3D with an instant cost estimate. No waiting on a designer, no callback, no quote queue.

Question 4

Do I need CAD or design experience to use ADU AI?

Accepted Answer

No. ADU AI does the design work — you pick from pre-engineered plans built to code, so there's no software to learn and no drawings to make. If you can type your address and compare options, you can plan your ADU.

Question 5

How does ADU AI know what fits my property?

Accepted Answer

Satellite imagery, county parcel data, and your local zoning rules. ADU AI maps your setbacks and buildable area, then matches only the pre-engineered plans that fit inside them. The ADU you see is sized and placed for your actual lot, not a generic template.

Question 6

What is a pre-engineered ADU plan?

Accepted Answer

A complete ADU design that's already drawn and engineered to building code — so instead of paying an architect to draw one from scratch over months, you pick a plan that fits your lot. Every plan includes the structural and energy details your city needs to review a permit. It's not a city 'pre-approved' plan in the regulatory sense; it's a clean, code-compliant set that's ready to submit, which tends to clear plan check faster than a one-off custom design.

Question 7

What's included in the blueprint package?

Accepted Answer

Six documents, ready to file: a dimensioned floor plan, a site plan with your setbacks, exterior elevations for all four sides, structural notes engineered to code, Title 24 energy compliance forms, and the assembled permit submission package. It's the complete set your city needs to review your ADU — nothing left for you to draft.

Question 8

What sizes and types of ADU can I build?

Accepted Answer

Studios up to 3-bedroom layouts, in three types: detached (a standalone backyard unit), attached (built onto your existing home), and garage conversions. Sizes run 400 to 1,200 sq ft, matched to what your lot's zoning and setbacks allow. ADU AI only shows plans that actually fit your property.

Question 9

Can I customize a pre-engineered plan?

Accepted Answer

Yes — finishes and orientation, not the structure. You can change exterior materials, interior finishes, and which way the unit faces on your lot. The engineered structure, room layout, and code-compliant dimensions stay fixed — that's what keeps the plan code-compliant and fast through permit review.

Question 10

Is the 3D model my actual property?

Accepted Answer

Yes. The 3D view places the ADU on your real parcel, built from satellite imagery and county parcel data — not a stock lot. You see the unit positioned inside your buildable area, with your real setbacks, existing home, and yard, before you spend a dollar on construction.

Question 11

How much does an ADU cost to build?

Accepted Answer

$150,000–$400,000, depending on size and site — California ADUs run $250–$450 per square foot. ADU AI shows an instant construction estimate for each plan on your actual lot before you commit a dollar. That build estimate is separate from ADU AI's design fee.

Question 12

How much does ADU AI cost?

Accepted Answer

$4,950 to start. Complete Plan ($4,950) gets you the full blueprint set for your chosen design, sized to your lot, and the complete filing-ready submission package. Full Service ($9,950) — we file with your city and handle corrections through approval. 1% of every payment goes to affordable-housing programs.

Question 13

What's the difference between the three tiers?

Accepted Answer

Complete Plan gives everything ready to file, Full Service files it for you. Pick Complete Plan to file yourself with the complete submission set. Pick Full Service to have us file with your city and handle every correction round through approval.

Question 14

Are there hidden fees? What's not included?

Accepted Answer

No hidden fees — the price you pick is the price you pay. Two costs sit outside ADU AI: your city's permit and plan-check fees ($3,000–$8,000, set by your jurisdiction) and the construction itself. ADU AI covers the plans and the permit package — plus filing on Full Service.

Question 15

Can I get a refund if my lot doesn't qualify?

Accepted Answer

Yes. ADU AI checks zoning, setbacks, and buildable area before you pay, so you know whether your lot qualifies up front — for free. If a qualifying lot turns out not to support any plan after purchase, you get a full refund. You only pay for plans you can actually build.

Question 16

How fast can I get an ADU permit?

Accepted Answer

File the same day; approval in weeks. Pick a plan and submit your permit package the day you start. A complete, code-compliant set tends to clear plan check faster than a one-off custom ADU design, which can take 3-6 months. Final timing depends on your city's review queue, but you skip the design phase entirely.

Question 17

Which cities and states does ADU AI cover?

Accepted Answer

California first. ADU AI covers California cities now — including San Diego, Los Angeles, and Sacramento — with new states rolling out through 2026. Enter your address and the app tells you in seconds whether your parcel is covered and which pre-engineered plans fit your lot.

Question 18

Do you file the permit for me, or do I file it myself?

Accepted Answer

Depends on your tier. Full Service files with your city for you and handles the process through approval. On Complete Plan, you download the permit-ready package and file it yourself — California cities accept online or counter submissions, and filing takes under an hour.

Question 19

What if the city asks for corrections to my plans?

Accepted Answer

We revise and resubmit. If your city requests corrections, we update the blueprints and send back a corrected package. Full Service handles every correction round for you until the permit is approved. Every plan is engineered to code before you file — that's what keeps correction rounds short.

Question 20

What happens after my ADU permit is approved?

Accepted Answer

You build. Once your permit is approved, you hire a contractor and break ground — the blueprint package has everything a builder needs to price and construct the unit. No contractor yet? We can refer vetted builders in your area who have built from ADU AI plans before.

Question 21

Do I need an architect to build an ADU?

Accepted Answer

No. On a standard lot, ADU AI's pre-engineered blueprints replace custom architectural design — the plans are already engineered to code, so there's nothing left for an architect to draw. Steep slopes, easements, or historic overlays can still require a design professional; a flat backyard lot doesn't.

Question 22

Is ADU AI cheaper than hiring an architect?

Accepted Answer

Yes. A custom ADU architect runs $8,000–$25,000 and takes 2–4 months to deliver drawings. ADU AI plan sets start at $4,950, you pick one in minutes, and you download a permit-ready package the same day. You skip the design phase entirely because the plans already exist.

Question 23

How is ADU AI different from a design-build firm?

Accepted Answer

Design-build firms bundle design and construction into one contract — $150,000 and up, all-in — and you commit before you've compared options. ADU AI handles design and permitting only. You get permit-ready plans, then hire any contractor you want and keep control of the build and the budget.

Question 24

How is ADU AI different from my city's pre-approved plan catalog?

Accepted Answer

ADU AI matches plans to your actual lot. City catalogs hand you generic PDFs, but you still need to work with an architect on the hard part: checking setbacks, drawing a site plan, estimating cost, and assembling the filing. ADU AI overlays each plan on your property in 3D, runs the zoning math, prices it instantly, and assembles the complete submission package.

Question 25

Who makes ADU AI?

Accepted Answer

Blueprints AI — a US construction-tech company that builds AI-generated, permit-ready construction documents. Blueprints AI is an NVIDIA Inception Program member and a Vercel AI Accelerator participant. ADU AI is its consumer product for homeowners.

ADU AI— Permit-Ready ADU Plans in Minutes, Not Months

Why ADU AI?

Pre-Engineered Plans

Interactive Property Maps

3D Visualization

Everything Your Permit Set Needs

Dimensioned floor plan

Site plan with setbacks

Exterior elevations

Structural notes

Energy compliance forms

Permit submission package

From Address to Permit in Three Steps

Enter your property address

Pick a pre-engineered plan

Submit for permits

Plans, Ready to Build

Compact Detached ADU — Permit-Ready Set

Homeowners Who Skipped the Architect

One Price, One Permit Package

The Traditional ADU Process vs. ADU AI

ADU AI

The Old Way

FAQs

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