How it Works Sample Report Pricing FAQ

Avoid $2,000–$5,000 in Architect Fees on a Property That Won't Work

Six layers of live government data — zoning, flood zone, fire risk, lot size, rental income, and unit potential — delivered in a polished PDF. Includes an Architect's Brief ready for immediate handoff.

Start with a free check of your California address — no sign-up, no email.

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Free eligibility check 12.5M+ CA properties · No sign-up

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Powered by trusted data sources

Government

FEMA FIRM CAL FIRE FRAP FCC Block API

Maps & market

Google Maps OpenStreetMap MapQuest RentCast

Data retrieved from live government and commercial sources at time of report generation.

Six layers. Three simple categories.

Every report pulls live government and market data, with every source named.

Property & Zoning

Zoning classification, lot size, and unit potential pulled directly from city GIS systems. Automatic zoning lookup for Los Angeles, Oakland, Sacramento, Fresno, San Francisco and other California cities — see Coverage for the full list. Anywhere else, add your zoning code at checkout, or your report shows where to find it.

Environmental Risk

FEMA flood zone classification and CAL FIRE hazard severity — the two environmental flags most likely to block permits or raise insurance costs before you break ground.

Financial Picture

Rental income projection based on RentCast rental listings for your ZIP code — your report shows how many. Cap rate, gross yield, and a realistic cost band — so you know the numbers before talking to anyone.

Why homeowners choose ADUVerify

Before spending thousands, see what each option gets you.

ADUVerify City Planning Dept Architect Study
Zoning analysis ✓ ✓ ✓
Fire & flood risk flags ✓ ✗ Sometimes
Rental income projection ✓ ✗ ✗
Data completeness score (0–100) ✓ ✗ ✗
Architect's Brief (Page 6) ✓ ✗ Extra cost
Delivery time Within 5 min Days–weeks 1–2 weeks

← Scroll to see the full comparison →

What's in your report

Research-ready. Contractor-ready.
Decision-ready.

Everything you need to walk into a planning meeting or contractor estimate fully prepared.

01
Feasibility Verdict
One verdict — Likely Feasible, Possibly Feasible, Requires Further Review, or Zoning category not determined — with a data completeness score and the specific factors behind it.
02
Environmental Risk Flags
FEMA flood zone designation, fire severity zone status, and coastal overlay analysis — identified before you spend a dollar on plans.
03
ADU Type Breakdown
Detached ADU, Attached ADU, Interior ADU (attic/basement conversion), and JADU — each assessed individually under California ADU law and HCD guidance, with a preliminary feasibility score and estimated cost range.
04
Financial Projections
Estimated build cost, projected monthly rent, cap rate, and payback period — calculated using regional benchmarks and current construction data.

Financial projections are estimates only. ADUVerify is not a financial advisor, CPA, or licensed contractor. Cap rates, rental figures, and build costs are regional averages and do not constitute financial advice or a guarantee of income. Consult a qualified financial advisor before making investment decisions.

05
Maximum Unit Potential
Maximum unit potential — how many units may be possible (ADU, JADU), based on your zoning and lot size, subject to the city's review.
06
Recommended Next Steps
A prioritized action plan tailored to your property — from which department to call first, to which ADU type to price out, to what data would raise your data completeness score.

Built for trust

Why homeowners trust ADUVerify

Before spending $2,000–$5,000 on an architect or contractor, you deserve an independent, data-driven starting point.

Sourced from government and market data
Every report pulls live data from FEMA and CAL FIRE — the same sources contractors and city planners use.
Independent analysis
ADUVerify has no affiliation with contractors, architects, or permit services. We have no incentive to oversell your property's potential.
Transparent about limits
Every report includes a data completeness score and explicit flags for what requires local verification. We tell you exactly what we know and what we don't.
Transparent pricing

One report. One property.
One flat fee.

ADU Intelligence Report
Professional Feasibility
Assessment
$149
One-time · No subscription

vs. $2,000–5,000 consultant study

✓ One-time fee · No subscription
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If our engine cannot complete your report due to missing or unavailable public data, your payment will not be processed. You will never be charged for an incomplete report.

Questions? Email support@aduverify.com before ordering.

Common questions

Before you order.

No. This is a professional-grade preliminary feasibility assessment — not a zoning determination, planning approval, or building permit. It is designed to give you the information you need to have a confident, informed conversation with your local planning department. Always verify findings with your local authority before making financial or construction decisions.
Our engine runs its checks together — flood zone screening, environmental risk flags, jurisdictional compliance, rental market indexing, and financial modeling — then synthesizes them into a single coherent report. That process would take most homeowners days of research across multiple government websites, many of which require specialized knowledge to interpret correctly.
Usually in your inbox within 5 minutes.
Under California state law, many R-1 single-family parcels can add one ADU and one JADU (junior ADU), subject to lot size and setback requirements. Your report states how many units may be possible, based on the zoning and lot size it finds or you provide — include them at checkout to raise your data completeness score.
ADUVerify covers California properties only. If the free eligibility check can't match your address to a California location, it tells you right away — no charge, no sign-up required. Reports can only be ordered for California addresses.
Yes. Providing your lot size and zoning code raises your report's data completeness score — lot size is worth 15 points and the zoning code up to 15. Without them, your report still runs every check and lists what it could not check. Providing them takes under 2 minutes and can upgrade your score from Good to Strong in most cases.
If our engine cannot complete your report due to missing or unavailable public data, your payment will not be processed — you will never be charged for an incomplete report. For completed reports, we do not offer refunds because the data retrieval and analysis costs are incurred at the moment of generation. If you believe your report contains a factual error in the underlying data, email support@aduverify.com and we will investigate and issue a credit if the error is confirmed on our end.
We do not sell, rent, or share your personal information or property address with third parties for marketing purposes. Your data is used solely to generate your report and deliver it to you. We retain order records for support and legal compliance purposes in accordance with our Privacy Policy. California residents may request data deletion under CCPA by emailing support@aduverify.com with the subject line "CCPA Request."

Important: ADUVerify reports are preliminary assessments for informational purposes only. They are not zoning determinations, building permits, legal opinions, or financial guarantees. Always confirm findings with your local planning department before making any financial or construction decisions.

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Enter your property details.

Your report will be delivered to the email address below, usually within 5 minutes.

Full coverage for California only.
Improve your report (optional)

Lot size and zoning code raise your data completeness score. Leave them blank and your report lists what it could not check. How to find them free →

On your county assessor's site or property tax bill.

Leave it blank if you don't know it — in several cities we look it up automatically (see Coverage).

This is a preliminary automated assessment only — not a legal opinion, zoning determination, or professional advice. Results are for informational purposes and require local verification. See the Terms of Service and Disclaimer for full details.

Preliminary assessment only. Not a zoning determination or permit. Findings require local verification.

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