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Design Development Agreement

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DESIGN DEVELOPMENT AGREEMENT

This Design Development Agreement (the Agreement) is entered into between Client Name: and Designer Name: .

WHEREAS

WHEREAS, Client requires professional design development services for the project identified as Project Name: (the Project); and

WHEREAS, Designer has the skill, experience and resources to perform design and development services and will provide deliverables in accordance with the scope and schedule set forth herein; and

WHEREAS, the parties desire to set forth their respective rights and obligations with respect to such services and deliverables.

1. SCOPE OF WORK

Designer will perform the design development services described below (Services) and deliver the deliverables described in the schedule. Services shall include necessary revisions and coordination reasonably required to complete the Project as described.

2. DELIVERABLES AND SCHEDULE

Deliverables shall be submitted in accordance with the milestone schedule below. Delivery dates are estimated and subject to timely Client approvals and feedback.

3. PAYMENT TERMS

Client shall pay Designer the fees set forth below in consideration for the Services. All fees are exclusive of taxes and reimbursable expenses except as expressly stated.

Invoices not paid within days of receipt shall accrue interest at per month (or the maximum permitted by law), and Client shall reimburse Designer for costs of collection, including reasonable attorneys' fees.

4. TERM AND TERMINATION

This Agreement commences on the Start Date set below and continues until the Completion Date set below unless earlier terminated in accordance with this Agreement.

Start Date:    Completion Date:

Either party may terminate this Agreement for material breach by the other party if the breaching party fails to cure the breach within days following written notice. In addition, either party may terminate for convenience upon days' prior written notice. Upon termination, Client shall pay Designer for Services performed and non-cancellable obligations incurred through the effective date of termination.

5. CONFIDENTIALITY

Each party shall keep confidential all non-public information disclosed by the other party that is designated as confidential or that reasonably should be understood to be confidential given the nature of the information and the circumstances of disclosure (Confidential Information). Confidential Information excludes information that (a) is or becomes generally available to the public through no breach by the receiving party; (b) was in the receiving party's possession prior to disclosure; (c) is received from a third party without breach of an obligation of confidentiality; or (d) is independently developed by the receiving party without use of the disclosing party's Confidential Information.

The receiving party shall use Confidential Information only for performance under this Agreement, shall protect it using at least reasonable care, and shall not disclose it to third parties except to employees, contractors or advisors who have a need to know and who are bound by confidentiality obligations at least as protective as those herein.

6. INTELLECTUAL PROPERTY

Subject to full payment of all amounts due under this Agreement, Designer assigns to Client all right, title and interest in and to the final deliverables specifically prepared for Client under this Agreement. Designer retains ownership of Designer's intellectual property, including methodologies, tools, software, know-how, templates, sketches, and trade secrets, and grants Client a non-exclusive license to any such retained materials only to the extent incorporated into the final deliverables.

Client represents and warrants that any materials provided to Designer for use in the Project do not infringe the intellectual property rights of third parties and indemnifies Designer for liabilities arising from Client-supplied materials.

7. CHANGES AND REVISIONS

Changes to the Scope of Work shall be made only by written Change Order signed by both parties specifying the change in scope, any adjustment to fees, and any change to the schedule. Designer's standard hourly rate for additional services is per hour unless otherwise agreed in writing.

8. INSURANCE, WARRANTY AND LIABILITY

Designer warrants that Services will be performed in a professional and workmanlike manner consistent with industry standards. EXCEPT FOR THE FOREGOING, DESIGNER MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

Except for liability for breach of confidentiality or wilful misconduct, each party's aggregate liability to the other for any claim arising under this Agreement shall not exceed the total fees actually paid by Client to Designer under this Agreement.

9. INDEMNIFICATION

Each party shall indemnify, defend and hold harmless the other party and its officers, directors and employees from and against third-party claims, liabilities, losses and expenses (including reasonable attorneys' fees) arising from the indemnifying party's breach of this Agreement, negligence, or willful misconduct.

10. INDEPENDENT CONTRACTOR

Designer is an independent contractor and not an employee, agent, partner or joint venturer of Client. Designer shall be solely responsible for employment-related taxes and for providing any benefits to its personnel.

11. GOVERNING LAW

This Agreement shall be governed by and construed in accordance with the laws of the State of without regard to its conflicts of law principles.

12. ENTIRE AGREEMENT

This Agreement, together with any attached schedules and signed Change Orders, constitutes the entire agreement between the parties regarding the subject matter hereof and supersedes all prior and contemporaneous agreements, understandings and representations, whether written or oral.

13. NOTICES

All notices required or permitted under this Agreement shall be in writing and delivered to the addresses set forth below or to such other address as either party may designate by notice to the other.

14. MISCELLANEOUS

If any provision of this Agreement is held invalid or unenforceable, the remaining provisions shall remain in full force and effect. Neither party may assign this Agreement without the prior written consent of the other, except to a successor in interest to substantially all of its business assets. The parties agree to cooperate in executing such additional documents as may be reasonably necessary to effectuate the purposes of this Agreement.

Client Name:

By:

Date:

Designer Name:

By:

Date:

Enter text✕

What a Design Development Agreement Is and When It Applies

A Design Development Agreement (DDA) is a contract between a client and a design professional that defines the scope, deliverables, schedule, and compensation for the design development phase of a project. It typically follows schematic design and precedes construction documents, translating conceptual plans into more detailed drawings, specifications, and cost estimates. The DDA clarifies responsibilities, ownership of drawings, change-order procedures, billing milestones, and dispute resolution methods so both parties understand expectations before construction-level work begins.

Why a Clear Design Development Agreement Matters

A well-drafted DDA reduces scope creep, allocates risk, and sets measurable milestones that protect project budgets and schedules while documenting client and designer obligations.

Why a Clear Design Development Agreement Matters

Typical Parties Who Prepare or Sign a Design Development Agreement

The agreement benefits any project participant who needs to lock in expectations before issuing construction documents or soliciting bids.

  • Architects and design firms preparing detailed drawings and specifications for construction bidding and permitting.
  • Owners and developers commissioning design work tied to financing, permitting, or construction contracts.
  • General contractors and construction managers who require defined deliverables before pricing or procurement.

Core Elements to Include in a Professional DDA

Include explicit, measurable sections that govern scope, schedule, payment, deliverables, change control, and intellectual property to reduce disputes and streamline approvals.

Scope of Work

Describe tasks, specific drawings/specifications, and the level of detail (e.g., dimensioned plans, outline specifications) that constitute design development deliverables.

Deliverables

List deliverable types and formats (e.g., PDF, CAD, BIM models), number of revisions included, and file delivery method to avoid confusion at handoff.

Schedule

Set milestone dates, review periods, and approval windows. Specify consequences for late approvals or extended review cycles.

Fees & Payment

State fixed fees or hourly rates, invoicing cadence, retainers, reimbursement of expenses, and late-payment interest rates if applicable.

Changes

Define change-order procedures, authorization thresholds, notice requirements, and how additional fees or schedule impacts are calculated.

Ownership & IP

Clarify copyright ownership, license rights to use the drawings, and any limitations on reuse or modification by third parties.

Essential Data Fields to Capture

Parties: Full legal names
Project: Project address or identifier
Effective Date: MM/DD/YYYY
Scope Summary: Concise scope statement
Compensation: Fee structure
Signatures: Names, dates

How to Complete a Design Development Agreement — Step by Step

Follow these steps to draft, review, and finalize a DDA so the project moves into design development with mutual expectations documented.

  • 01
    Draft: Populate parties, scope, and key dates accurately.
  • 02
    Review: Have legal and technical reviewers confirm obligations.
  • 03
    Authorize: Obtain signatures from authorized signatories.
  • 04
    Distribute: Send fully executed copies to stakeholders.

Configuring an Online DDA Workflow

Set up a digital workflow to collect signatures, route reviews, and retain an audit trail for the agreement and related deliverables.

Field Configuration
Signers Sequential routing by role
Authentication Email + optional SMS code
Reminders Automated reminder schedule
Storage Secure cloud archive with access controls

Where to Send or File the Executed Agreement

Decide primary and backup delivery locations to ensure distributed access and compliance with recordkeeping policies.

  • Owner/Client: Provide fully executed PDF to owner records.
  • Design Firm: Store master executed copy in firm project folder.
  • Contractor: Share executed scope exhibits with bidders as needed.
  • Permit Files: Include signed cover letter when submitting to permitting authorities.

Digital Signing and Technical Requirements

Choose a provider that supports secure storage, role-based access, and export of signed records for project archives.

  • File Formats: PDF, DOCX supported
  • Integrations: Works with cloud storage
  • Auth Options: Email, SMS, KBA

Typical Timelines and Review Deadlines in a DDA

Establish clear deadlines for submissions, review turnaround, and milestone approvals to avoid schedule slips during design development.

Design Development Duration:

Often 4–12 weeks depending on project size

Review Periods:

Owner review commonly 7–14 calendar days

Revision Turnaround:

Designer responds within agreed days per revision

Billing Milestones:

Invoice at delivery of each milestone

Permit Submission:

Allow time for permit reviews per jurisdiction

Common Mistakes to Avoid When Preparing the DDA

  • Vague scope language that leaves deliverables open to interpretation and leads to scope creep and disputes.
  • Omitting approval timelines, which creates unbounded review periods and schedule risk for the design team.
  • Failing to define change-order authority and cost impact, causing delayed decisions and billable disagreements.
  • Using an ambiguous fee structure without caps or not-to-exceed items that exposes the client to surprise costs.

Risks and Consequences of an Incomplete or Incorrect DDA

Schedule Delays: Work stoppage
Cost Overruns: Unrecoverable fees
Disputes: Litigation risk
Payment Withholding: Client retains funds
Liability Exposure: Professional claims
Permit Rejection: Re-submittal required

Who Typically Signs the Agreement

Client Signatory

A senior representative with contract authority, often a director or project manager for the owner or developer. This person must have authority to approve budget changes and sign on behalf of the entity.

Design Firm Signatory

An officer or principal of the design firm or an authorized project manager. The signatory confirms firm capacity, scope acceptance, and billing authority on behalf of the design entity.

Typical eSignature Vendor Pricing and Capabilities

Compare base pricing and common capabilities relevant to executing and managing Design Development Agreements; signNow appears first for parity with provided platform data.

signNow DocuSign Adobe Sign PandaDoc HelloSign
Starting Price $8/user/mo $15/user/mo $14/user/mo $19/user/mo $15/user/mo
Free Trial Yes, 7-day trial Varies Varies Varies Varies
Bulk Send Yes Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No

Frequently Asked Questions About Design Development Agreements

Answers to common legal, procedural, and technical questions about drafting, signing, and enforcing a DDA.


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