City of Milpitas pre-approved ADU plans

The pre-approved ADU plans City of Milpitas publishes, copied as published, with a link to the official page and the date A-du last checked it.

Pre-approved ADU plans

City of Milpitas

5 plans in the index

A-du last checked the official page on November 5, 2026.

The plans

City of Milpitas

1bd/1ba, 499sqft

1 bd · 1 ba · 499 sq ft

Not on A-du Build yet

Agency page
City of Milpitas

2bd/1ba, 747sqft

2 bd · 1 ba · 747 sq ft

Not on A-du Build yet

Agency page
City of Milpitas

2bd/2b, 667sqft

2 bd · 2 ba · 667 sq ft

Not on A-du Build yet

Agency page
City of Milpitas

2bd/2ba, 800sqft (2 Options)

2 bd · 2 ba · 800 sq ft

Not on A-du Build yet

Agency page
City of Milpitas

3bd/2ba, 1000sqft (2 Options)

3 bd · 2 ba · 1,000 sq ft

Not on A-du Build yet

Agency page

A-du is not affiliated with HCD or any city or county. This page copies what each agency publishes about its pre-approved ADU plans and links to the official page. Check the agency's page before you rely on anything here. Nothing on this page is legal advice.

Each plan as the agency publishes it

The details below are copied from the agency’s own pages, field by field, with the date A-du last checked each plan.

1bd/1ba, 499sqft / Basically Homes, powered by Vitalizebuild Construction

Description:
1bd/1ba, 499sqft
Bedrooms:
1
Bathrooms:
1
Designer:
Basically Homes, powered by Vitalizebuild Construction
Status:
No status label on the agency page
Code cycle:
(Pre-approved under 2022 California Codes)

The agency page says: “This program is not applicable to properties located in the following areas. “Hillside Building Code” area. Special Flood Hazard Area (SFHA): Property located in SFHA will not qualify for this program unless the selected pre-approved ADU plans include flood resistant design option applicable to the project site. Minor site development permit approval from Planning Department will be required for pre-approved ADU plans with building area exceeding 800 sq ft prior to applying for building permit. Detached ADU shall not be located within any easement. Any modifications to the pre-approved ADU plans will not qualify for this pre-approved ADU program.”

Agency page for this plan

Listed on the agency page when A-du checked it on November 5, 2026.

2bd/1ba, 747sqft / SFBAYADU

Description:
2bd/1ba, 747sqft
Bedrooms:
2
Bathrooms:
1
Designer:
SFBAYADU
Status:
No status label on the agency page
Code cycle:
(Pre-approved under 2025 California Codes)

The agency page says: “This program is not applicable to properties located in the following areas. “Hillside Building Code” area. Special Flood Hazard Area (SFHA): Property located in SFHA will not qualify for this program unless the selected pre-approved ADU plans include flood resistant design option applicable to the project site. Minor site development permit approval from Planning Department will be required for pre-approved ADU plans with building area exceeding 800 sq ft prior to applying for building permit. Detached ADU shall not be located within any easement. Any modifications to the pre-approved ADU plans will not qualify for this pre-approved ADU program.”

Agency page for this plan

Listed on the agency page when A-du checked it on November 5, 2026.

2bd/2b, 667sqft / Adore Homes

Description:
2bd/2b, 667sqft
Bedrooms:
2
Bathrooms:
2
Designer:
Adore Homes
Status:
No status label on the agency page
Code cycle:
(Pre-approved under 2025 California Codes)

The agency page says: “This program is not applicable to properties located in the following areas. “Hillside Building Code” area. Special Flood Hazard Area (SFHA): Property located in SFHA will not qualify for this program unless the selected pre-approved ADU plans include flood resistant design option applicable to the project site. Minor site development permit approval from Planning Department will be required for pre-approved ADU plans with building area exceeding 800 sq ft prior to applying for building permit. Detached ADU shall not be located within any easement. Any modifications to the pre-approved ADU plans will not qualify for this pre-approved ADU program.”

Agency page for this plan

Listed on the agency page when A-du checked it on November 5, 2026.

2bd/2ba, 800sqft (2 Options) / Aligcus

Description:
2bd/2ba, 800sqft (2 Options)
Bedrooms:
2
Bathrooms:
2
Designer:
Aligcus
Status:
No status label on the agency page
Code cycle:
(Pre-approved under 2025 California Codes)

The agency page says: “This program is not applicable to properties located in the following areas. “Hillside Building Code” area. Special Flood Hazard Area (SFHA): Property located in SFHA will not qualify for this program unless the selected pre-approved ADU plans include flood resistant design option applicable to the project site. Minor site development permit approval from Planning Department will be required for pre-approved ADU plans with building area exceeding 800 sq ft prior to applying for building permit. Detached ADU shall not be located within any easement. Any modifications to the pre-approved ADU plans will not qualify for this pre-approved ADU program.”

Agency page for this plan

Listed on the agency page when A-du checked it on November 5, 2026.

3bd/2ba, 1000sqft (2 Options) / Aligcus

Description:
3bd/2ba, 1000sqft (2 Options)
Bedrooms:
3
Bathrooms:
2
Designer:
Aligcus
Status:
No status label on the agency page
Code cycle:
(Pre-approved under 2025 California Codes)

The agency page says: “This program is not applicable to properties located in the following areas. “Hillside Building Code” area. Special Flood Hazard Area (SFHA): Property located in SFHA will not qualify for this program unless the selected pre-approved ADU plans include flood resistant design option applicable to the project site. Minor site development permit approval from Planning Department will be required for pre-approved ADU plans with building area exceeding 800 sq ft prior to applying for building permit. Detached ADU shall not be located within any easement. Any modifications to the pre-approved ADU plans will not qualify for this pre-approved ADU program.”

Agency page for this plan

Listed on the agency page when A-du checked it on November 5, 2026.

Getting a plan permitted

A pre-approved plan still needs a building permit for your lot. For free plans published by a California city or county, you can request an optional flat-fee service, Permitting by Chris Koss, AIA. Chris Koss, AIA, a California-licensed architect who owns A-du, provides this permitting service personally under a separate written agreement with you (the Permitting Services Agreement). It is not performed by A-du, and A-du takes no part of his fee. You can always take a free plan straight to your building department instead. Open any plan on A-du Build to see what applies to it.

Back to all California cities and counties.