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Best multi-gen floor plans Available for San Diego | My Home Floor Plans

Discover multi-gen floor plan in San Diego

Looking to build your dream multi-gen floor plan in San Diego? Our plans are professionally crafted to help you get started quickly and affordably.

Each design comes complete with CAD and PDF blueprints, structural engineering, and an unlimited-build license — all compliant with San Diego's local codes.

Whether you're planning a backyard suite or family retreat, these multi-gen floor plan layouts in San Diego balance comfort, cost-efficiency, and buildability.

What Makes Our multi-gen floor plan in San Diego Stand Out?

Blueprint Sets Included – Download complete PDF and CAD plans ready for your builder.
Code-Engineered Designs – Built with San Diego codes in mind, including seismic and energy requirements.
Unlimited Reuse License – One-time purchase covers unlimited constructions.
Free Foundation Changes – Adapt your build to site conditions without paying extra.
Fast Mod Options – Make plan edits in days, not weeks.

We combine professional-level drafting with unbeatable flexibility — ideal for anyone planning a multi-gen floor plan in San Diego.

Choose Your multi-gen floor plan Style for San Diego

With thoughtful layouts, integrated storage, and style-specific features, each multi-gen floor plan style is built for comfort and compliance in San Diego.

Frequently Asked Questions About multi-gen floor plan in San Diego

What is a multi-gen floor plan?

A multi-gen floor plan is a secondary structure — often detached — used for guest accommodations, backyard rentals, or flexible living space. Our plans in San Diego offer customization and code-compliant layouts.

Can I adjust the plan for my San Diego property?

Yes. We offer fast and affordable customization for multi-gen floor plan plans — including layout edits, foundation changes, and more to meet San Diego's requirements.

Will it meet San Diego building codes?

All plans include structural engineering and can be adapted to meet San Diego permitting and zoning codes. Let us know your lot details and we’ll help ensure compliance.

What’s included in the purchase?

You get full CAD and PDF files, an unlimited-build license, and free foundation modifications — everything needed to start building your multi-gen floor plan in San Diego.

Created by Experts — Not AI

We work directly with real builders, drafters, and engineers to develop every multi-gen floor plan. These plans meet modern building expectations, code requirements, and customization flexibility — with no guesswork.

Designed for San Diego, built anywhere — our multi-gen floor plan plans meet national IRC guidelines while accommodating San Diego zoning and lot constraints.

Build Smarter with Our multi-gen floor plan Designs in San Diego

With full CAD access, engineered approval, and no build limits, our plans make your San Diego construction project easier and faster than ever.

View all architectural styles or contact our design team to get started today.

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Found 3,005 House Plans!

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20-1906 HOUSE PLAN – Modern Tudor House Plan – 5 Bed, 4,116 Sq Ft, 2 Story (CAD + Engineering Included) – House plan details
Rated 5.00 out of 5
Original price was: $3,370.56.Current price is: $1,754.99.

Width: 83'-4"

Depth: 62'-8"

Htd SF: 4,116

Unhtd SF: 1,692
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20-1255 HOUSE PLAN – Modern 3-Story Farmhouse Plan with CAD Architecture and Designs – House plan details
Rated 5.00 out of 5
Original price was: $2,870.56.Current price is: $1,459.99.

Width: 70'-0"

Depth: 61'-1"

Htd SF: 4,698

Unhtd SF: 1,391
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20-1136 HOUSE PLAN – Modern Farmhouse with European Charm – House plan details
Rated 5.00 out of 5
Original price was: $4,870.56.Current price is: $2,754.22.

Width: 95'-0"

Depth: 63'-6"

Htd SF: 7,103

Unhtd SF: 1,668
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19-1766 HOUSE PLAN – Elegant Tudor-Style House Plan – 5 Bed, 5+ Bath, 4,183 Sq. Ft. – House plan details
Rated 5.00 out of 5
Original price was: $2,470.56.Current price is: $1,254.99.

Width: 73'-10"

Depth: 62'-5"

Htd SF: 4,183

Unhtd SF: 2,256
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19-1654 HOUSE PLAN – Beautiful Craftsman House Plan with Detailed Floor Blueprint – House plan details
Rated 5.00 out of 5
Original price was: $2,870.56.Current price is: $1,454.99.

Width: 72'-4"

Depth: 67'-11"

Htd SF: 3,489

Unhtd SF: 1,912
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18-2143 HOUSE PLAN – Modern Tudor House Plan – 6 Beds, 3 Stories, 6,146 Sq Ft (CAD + Engineering Included) – House plan details
Rated 5.00 out of 5
Original price was: $4,870.56.Current price is: $2,754.22.

Width: 79'-2"

Depth: 69'-0"

Htd SF: 6,146

Unhtd SF: 2,520
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17-2114 HOUSE PLAN – Elegant Two-Story House Plan with Detailed Architecture Design – House plan details
Rated 5.00 out of 5
Original price was: $4,870.56.Current price is: $2,754.22.

Width: 67'-11"

Depth: 156'-4"

Htd SF: 8,061

Unhtd SF: 1,649
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17-1767 HOUSE PLAN – Modern French Country 5-Bedroom House Plan – 4,658 Sq Ft (CAD + Engineering Included) – House plan details
Rated 5.00 out of 5
Original price was: $3,370.56.Current price is: $1,754.99.

Width: 60'-10"

Depth: 81'-11"

Htd SF: 4,658

Unhtd SF: 1,158
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17-1037 HOUSE PLAN – Elegant Traditional House Design with Detailed Floor Plan – House plan details
Rated 5.00 out of 5
Original price was: $3,870.17.Current price is: $1,954.21.

Width: 93'-5"

Depth: 92'-5"

Htd SF: 5,621

Unhtd SF: 1,512
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17-1622 HOUSE PLAN – Beautiful House Plan With Coastal Design and CAD Blueprints – House plan details
Rated 5.00 out of 5
Original price was: $2,470.56.Current price is: $1,254.99.

Width: 36'-0"

Depth: 41'-8"

Htd SF: 2,619

Unhtd SF: 1,194
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20-1669 APARTMENT COMPLEX – Modern Apartment Complex House Plan with Architectural Blueprints – House plan details
Rated 5.00 out of 5
Original price was: $9,170.56.Current price is: $4,559.99.

Width: 101'-0"

Depth: 68'-4"

Htd SF: 12,500

Unhtd SF: 2,500
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17-1936 HOUSE PLAN – Luxury 5-Bedroom European House Plan – 3,931 Sq Ft – House plan details
Rated 5.00 out of 5
Original price was: $2,870.56.Current price is: $1,454.99.

Width: 65'-2"

Depth: 77'-6"

Htd SF: 3,931

Unhtd SF: 1,368
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16-1805 HOUSE PLAN – Stunning Coastal House Plan with Modern Features and Blueprint Designs – House plan details
Rated 5.00 out of 5
Original price was: $2,070.56.Current price is: $1,134.99.

Width: 36'-8"

Depth: 51'-0"

Htd SF: 2,873

Unhtd SF: 266
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16-1438 HOUSE PLAN – Modern Beach House CAD Plan with Coastal Architecture Options – House plan details
Rated 5.00 out of 5
Original price was: $2,870.56.Current price is: $1,454.99.

Width: 34'-6"

Depth: 41'-8"

Htd SF: 3,442

Unhtd SF: 1,257
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16-1285 HOUSE PLAN – Charleston-Inspired House Plan with Detailed Floor Designs – House plan details
Rated 5.00 out of 5
Original price was: $3,370.56.Current price is: $1,754.99.

Width: 28'-3"

Depth: 97'-8"

Htd SF: 4,799

Unhtd SF: 1,554

My Home Floor Plans

Better home plans, for less.

Find Your Dream Home

Best multi-gen floor plans Available for San Diego | My Home Floor Plans

Discover multi-gen floor plan in San Diego

What Makes Our multi-gen floor plan in San Diego Stand Out?

Choose Your multi-gen floor plan Style for San Diego

Frequently Asked Questions About multi-gen floor plan in San Diego

What is a multi-gen floor plan?

Can I adjust the plan for my San Diego property?

Will it meet San Diego building codes?

What’s included in the purchase?

Created by Experts — Not AI

Build Smarter with Our multi-gen floor plan Designs in San Diego

20-1906 HOUSE PLAN – Modern Tudor House Plan – 5 Bed, 4,116 Sq Ft, 2 Story (CAD + Engineering Included) – House plan details

20-1255 HOUSE PLAN – Modern 3-Story Farmhouse Plan with CAD Architecture and Designs – House plan details

20-1136 HOUSE PLAN – Modern Farmhouse with European Charm – House plan details

19-1766 HOUSE PLAN – Elegant Tudor-Style House Plan – 5 Bed, 5+ Bath, 4,183 Sq. Ft. – House plan details

19-1654 HOUSE PLAN – Beautiful Craftsman House Plan with Detailed Floor Blueprint – House plan details

18-2143 HOUSE PLAN – Modern Tudor House Plan – 6 Beds, 3 Stories, 6,146 Sq Ft (CAD + Engineering Included) – House plan details

17-2114 HOUSE PLAN – Elegant Two-Story House Plan with Detailed Architecture Design – House plan details

17-1767 HOUSE PLAN – Modern French Country 5-Bedroom House Plan – 4,658 Sq Ft (CAD + Engineering Included) – House plan details

17-1037 HOUSE PLAN – Elegant Traditional House Design with Detailed Floor Plan – House plan details

17-1622 HOUSE PLAN – Beautiful House Plan With Coastal Design and CAD Blueprints – House plan details

20-1669 APARTMENT COMPLEX – Modern Apartment Complex House Plan with Architectural Blueprints – House plan details

17-1936 HOUSE PLAN – Luxury 5-Bedroom European House Plan – 3,931 Sq Ft – House plan details

16-1805 HOUSE PLAN – Stunning Coastal House Plan with Modern Features and Blueprint Designs – House plan details

16-1438 HOUSE PLAN – Modern Beach House CAD Plan with Coastal Architecture Options – House plan details

16-1285 HOUSE PLAN – Charleston-Inspired House Plan with Detailed Floor Designs – House plan details

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