Menifee
306 sq ft · Studio · 1 ba
Studio B
Menifee
About 15' × 20' — we derived this from the floor area
Confirm the final square footage with the city.
Menifee, Riverside County
Will an ADU fit in your Menifee back yard?
Enter your address and we will draw your real parcel boundary, subtract the setbacks and your existing house, and show you what is actually left to build on. Then you can drag any of Menifee's 7 pre-approved plans onto it.
- Free
- No account
- No phone number
- Your result first
Aerial: USGS/USDA NAIP
Local context
The Menifee picture
A mix of newer master-planned tracts and much older Sun City and Quail Valley neighborhoods. The older areas have the deep lots.
- 32,615Detached single-family homes
- 2001Median year built
- 80%Owner-occupied
- $2,110Median rent
Menifee permitted 25 ADUs in 2025, against 13 in 2023. Source: state Housing Element annual progress reporting.
The standards
The rules that apply to your lot
Every figure shows its source. Read from Development Code §9.295.020 (Ord. 2024-384, 2/7/2024).
- 4ftSide and rear setbackMenifee code
- 1,500sq ftLargest detached ADU Menifee allowsMenifee code
- 30daysDecision deadline on a pre-approved planCalifornia minimum
All 13 standards, with sources
| Standard | Value | Source |
|---|---|---|
| Side setback | 4 ft Code says 4 ft or less | Menifee code |
| Rear setback | 4 ft Code says 4 ft or less | Menifee code |
| Detached height | 18 ft 20 ft near transit — the most generous of the six | Menifee code |
| Size the city must allow | 800 sq ft Cities cannot prohibit at least this size | California minimum |
| Largest detached ADU allowed | 1500 sq ft | Menifee code |
| Distance from your house | No requirement Menifee’s ADU section sets no minimum distance from your house. Instead it requires the ADU to sit to the rear or side of the main dwelling, and says that requirement cannot be used to block an 800 sq ft ADU with 4 ft side and rear yards. Menifee does publish a 10 ft accessory-structure separation elsewhere in its code, but the ADU section never invokes it, so we do not apply it. | Menifee code |
| Parking | 1 space per unit Tandem and setback parking allowed; full state exemptions apply | Menifee code |
| Shortest rental allowed | 30 days | Menifee code |
| Junior ADU maximum | 500 sq ft | Menifee code |
| Owner-occupancy required | No | California minimum |
| HOA can prohibit an ADU | No Gov. Code §66315. Reasonable architectural standards still apply. | California minimum |
| Impact fees | Waived under 750 sq ft A real reason to consider staying just under the threshold. | California minimum |
| Pre-approved plan review | 30 days, ministerial AB 1332. No discretionary review, no hearing. | California minimum |
Anything Menifee publishes inconsistently is left off this table rather than guessed at. Where that happens we say so in the notes above.
Easy to miss
Menifee-specific requirements most people miss
These are in Menifee's own code and they are not in the other cities we cover. They are also absent from every competitor page we audited.
Architectural compatibility
The ADU must share at least three of seven listed design traits with your main house. Pre-approved plans are drawn to satisfy this.
No street-facing outside stairways
Exterior stairways are prohibited on any elevation facing a public street.
Septic percolation test
On septic, a percolation test within the last 5 years — or recertified within 10 — is required.
Conflicting sources
Where Menifee's own handouts disagree with its ordinance
We read the adopted code against the PDFs handed out at the counter. They do not match, and planning around the handout can cost real money.
The handout says
Menifee’s ADU ordinance cites a state law that no longer exists.
The code says
It still references Government Code 65852.2, which SB 477 recodified as Gov. Code 66310 et seq. The substance is largely carried over, but it means the ordinance has not been reconciled with the current statute — worth knowing if a counter answer conflicts with what you read.
Menifee Dev. Code §9.295.020.A vs. SB 477 (2023)
The adopted ordinance governs. If a counter answer conflicts with it, ask which section they are relying on.
Menifee's pre-approved ADU plans
7 designs Menifee has already reviewed, drawn to the same scale.
Menifee
415 sq ft · Studio · 1 ba
Studio A
Menifee
About 21' × 20' — we derived this from the floor area
Confirm the final square footage with the city.
Menifee
586 sq ft · 1 bd · 1 ba
1 Bedroom 1B
Menifee
About 24' × 24' — we derived this from the floor area
Confirm the final square footage with the city.
Menifee
730 sq ft · 1 bd · 1 ba
1 Bedroom 1A
Menifee
About 28' × 26' — we derived this from the floor area
Confirm the final square footage with the city.
Menifee
779 sq ft · 2 bd · 2 ba
2 Bedroom 2B
Menifee
About 30' × 26' — we derived this from the floor area
Confirm the final square footage with the city.
Menifee
910 sq ft · 2 bd · 2 ba
2 Bedroom 2A
Menifee
About 35' × 26' — we derived this from the floor area
Confirm the final square footage with the city.
Menifee
1,198 sq ft · 3 bd · 2 ba
3 Bedroom 3A
Menifee
About 40' × 30' — we derived this from the floor area
Confirm the final square footage with the city.
General plan
400 sq ft · Studio · 1 ba
Studio
Any city
About 20' × 20' — we derived this from the floor area
General plan
600 sq ft · 1 bd · 1 ba
1 Bedroom
Any city
About 25' × 24' — we derived this from the floor area
General plan
800 sq ft · 2 bd · 1 ba
2 Bedroom
Any city
About 31' × 26' — we derived this from the floor area
Via the Permit Ready ADU Program. A pre-approved plan is reviewed ministerially in 30 days — no hearing, no neighbour objection. Guidebook published; its square footages conflict internally.
Where a footprint is marked approximate we derived it from the published floor area and use it only for siting geometry, never as the building design.
Before you spend
What could stop your project in Menifee
The geometry is usually the easy part. These are the issues that actually kill projects here.
Check your parcel is even in the city
Several communities here carry a Menifee mailing address while sitting in unincorporated Riverside County — which means county permitting, under different standards and timelines.
The single most common planning mistake in this area, and worth two minutes to confirm before you pay anyone for drawings.
By neighborhood
Menifee neighborhoods
Build era, lot depth, septic versus sewer, association rules and fire zone status all change the answer, and they change neighborhood by neighborhood rather than city-wide. Here is what we know about yours.
How this works
- 1
We find your parcel
Your real lot shape from the Riverside County Assessor, not a square around a pin.
- 2
We subtract the setbacks
Menifee's setbacks, your house, and the clearance between buildings. Green is what is left.
- 3
You drag a real plan in
Fits, tight, or unlikely — and the best position we can find for it, not wherever you dropped it.
What you actually get
A report on your own parcel, in about a minute, before we ask you for anything.
- Your parcel, not an average. Your real boundary from Riverside County GIS, your house footprint, and the buildable area left after Menifee's setbacks.
- You see it before you give us anything. The map, the numbers and the fit verdict are on screen first. The email is for keeping a copy.
- One call, from a person. We call you ourselves within one business day to go through it. No call centre, and your number is never resold — see the privacy policy.
Fits2 Bedroom 2B, 779 sq ft
- Lot size
- 7,232 sq ft
- What is on it
- house 1,848 sq ft
- Buildable after setbacks
- 2,858 sq ft
- Side and rear setback
- 4 ft
- Plans that fit
- 8 of 12 we checked
Next: a call to walk through it, then one screened local builder if you want quotes. What it costs.
Computed for an ordinary 60 × 120 ft tract lot with a 40 × 46 ft house, using Menifee's own setback and separation. Your figures come from your own parcel.
Menifee ADU questions
How big an ADU can I build in Menifee?
California requires every city, Menifee included, to allow an ADU of at least 800 square feet. Whether that size fits on your lot after setbacks and the separation from your existing house is a different question entirely, and it depends on your parcel rather than on the city. That is what the tool answers.
What setbacks apply?
For a new detached ADU, state law caps the side and rear setback at 4 feet, so Menifee cannot require more. We apply that to your parcel boundary. One honest limitation: we erode the parcel evenly rather than identifying which edge fronts the street, which makes the buildable zone slightly generous at the front — so we disallow front-yard placement in the tool entirely.
Can my HOA stop me?
No. Government Code section 66315 voids HOA covenants that prohibit or unreasonably restrict an ADU on a single-family lot. Your association can still apply reasonable architectural standards, and in practice that means an architectural committee submission running in parallel with your city permit. Budget calendar time, not a fight. Submit to both at once rather than waiting for one to finish.
Do I have to live on the property?
No. AB 976 made the prohibition on owner-occupancy requirements permanent, so neither Menifee nor the state can require you to live in either unit.
Will an ADU reassess my property taxes?
Building an ADU triggers a reassessment of the new construction only, not of your existing home. Your original Proposition 13 base year value on the house is not disturbed. The assessor adds the value of what you built. We are working on a Menifee-specific breakdown including how this interacts with any existing special district assessments on your parcel.
Which builder will I be sent to?
One licensed builder, exclusive to Menifee, and we tell you who they are before we introduce you. We are not a contractor and we do not take a cut of your build — we are paid for the introduction, which is why we have no incentive to talk you into a bigger project than your lot supports.
Other cities we cover
See what fits on your Menifee lot
Free. You see the result before we ask for anything.