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What Are You Allowed to Build at 36 -44 Spring St, Waltham, MA, 02451?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

In Home Apartment

(Conversion or Addition)

Might be Allowed
This property may qualify for an Internal ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

Swimming Pool

Might be Allowed
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. 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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 9,692 sq ft of zoning-counted floor area allowed By Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 1,651 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 36 -44 Spring St, Waltham, MA, 02451

Zoning Jurisdiction

WALTHAM

Parcel ID

R0600130003

Property Type

Other

Zone

BB

Year Built

1955

Lot Size

38,768 sq ft

Gross Building Area

17,733 sq ft

Gross Floor Area

17,733 sq ft

Estimated

Living Area

17,733 sq ft

Basement Area

0 sq ft

Impervious Surface

17,733 sq ft

Estimated
45.7%of lot coverage

ADU rules for Waltham, MA

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 36 -44 Spring St, Waltham, MA, 02451?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

In Home Apartment

(Conversion or Addition)

Might be Allowed
This property may qualify for an Internal ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

Swimming Pool

Might be Allowed
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. 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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 9,692 sq ft of zoning-counted floor area allowed By Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 1,651 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 36 -44 Spring St, Waltham, MA, 02451

Zoning Jurisdiction

WALTHAM

Parcel ID

R0600130003

Property Type

Other

Zone

BB

Year Built

1955

Lot Size

38,768 sq ft

Gross Building Area

17,733 sq ft

Gross Floor Area

17,733 sq ft

Estimated

Living Area

17,733 sq ft

Basement Area

0 sq ft

Impervious Surface

17,733 sq ft

Estimated
45.7%of lot coverage

ADU rules for Waltham, MA

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

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