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What Are You Allowed to Build at 310 Saint Francis Way, Rio Vista, CA, 94571?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,196 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 1,200 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 2,928 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property by up to 1,196 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 310 Saint Francis Way, Rio Vista, CA, 94571

Zoning Jurisdiction

RIO VISTA

Parcel ID

0178097100

Property Type

Single Family

Zone

R-1

Year Built

1951

Lot Size

7,319 sq ft

Gross Building Area

2,450 sq ft

Gross Floor Area

1,732 sq ft

Estimated

Living Area

1,014 sq ft

Basement Area

0 sq ft

Impervious Surface

2,450 sq ft

Estimated
33.5%of lot coverage

ADU rules for Rio Vista, CA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.

What Are You Allowed to Build at 310 Saint Francis Way, Rio Vista, CA, 94571?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,196 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU of up to 1,200 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.

Single Family

Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 2,928 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property by up to 1,196 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 310 Saint Francis Way, Rio Vista, CA, 94571

Zoning Jurisdiction

RIO VISTA

Parcel ID

0178097100

Property Type

Single Family

Zone

R-1

Year Built

1951

Lot Size

7,319 sq ft

Gross Building Area

2,450 sq ft

Gross Floor Area

1,732 sq ft

Estimated

Living Area

1,014 sq ft

Basement Area

0 sq ft

Impervious Surface

2,450 sq ft

Estimated
33.5%of lot coverage

ADU rules for Rio Vista, CA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.