Home Addition and Remodel Permit Plans

Expanding your home, changing the interior layout, converting an existing space, or removing a load-bearing wall? Get a coordinated permit drawing package showing the existing conditions, proposed design, site placement, structural changes, code information, and construction details required for review.

Site Plans Online USA prepares home addition and remodeling permit plans for homeowners, contractors, builders, investors, and property professionals across all 50 states.

From $79

12–24 Hour Delivery

Free Revisions Included

All 50 States

What Are Home Addition and Remodel Permit Plans?

Home addition and remodeling permit plans are coordinated drawings that show the existing building, proposed changes, construction methods, structural modifications, and code-related information needed for permit review.

A home addition changes the building’s footprint, height, or conditioned area. It may involve new foundations, exterior walls, floor framing, roof framing, openings, windows, doors, electrical systems, plumbing, HVAC, insulation, and energy-code compliance.

A remodel may remain within the existing footprint but still require plans when walls are moved, rooms change use, kitchens or bathrooms are relocated, structural elements are altered, or building systems are modified.

The permit package may include a site plan, demolition plan, existing and proposed floor plans, exterior elevations, building sections, foundation and framing plans, structural calculations, electrical layouts, plumbing plans, HVAC plans, energy documentation, and construction details.

Site Plans Online USA develops each package around the property, existing conditions, project scope, applicable jurisdiction requirements, and information provided by the client. Professional architectural or engineering review can be coordinated when required.

The appropriate drawing scope depends on more than the addition’s size. Structural changes, occupancy, utilities, zoning, flood-zone conditions, energy requirements, and connections to the existing home can all affect what must be submitted.

WHO WE SUPPORT

Who Needs Home Addition or Remodel Permit Plans?

Homeowners

Turn your ideas, measurements, photographs, and inspiration images into an organized drawing package for pricing, permitting, and construction.

→ Order Pool Permit Site Plan — $149

Contractors and Remodelers

Receive coordinated drawings that clearly define demolition, new construction, structural work, materials, dimensions, and building-system changes.

→ Order Fence Permit Site Plan — $79

Builders and Developers

Use our team for additions, conversions, interior renovations, feasibility layouts, structural coordination, and permit corrections.

→ Order Shed Permit Site Plan — $79

Investors and Property Professionals

Real estate investors, designers, architects, engineers, and permit coordinators can use our drafting support for renovation and value-add projects.

→ Order Deck / Porch Site Plan — $99

Permit Plans for Home Additions and Remodels

We prepare drawings for additions, interior renovations, conversions, structural alterations, and after-the-fact projects.

Site Plans for Sheds and Detached Accessory Structures
Project Type	Typical Drawing Scope	Additional Coordination
Bedroom addition	Site plan, floor plan, elevations, foundation and framing	Energy and MEP plans may apply
Primary suite addition	Bedroom, bathroom, foundation, framing and building systems	Plumbing and HVAC coordination
Living-room or family-room addition	New floor area, openings, foundation and roof integration	Structural beam design may apply
Kitchen expansion	Existing and proposed layouts, walls, cabinetry and utilities	Structural, electrical, plumbing and HVAC
Bathroom addition	Floor plan, fixtures, ventilation and utilities	Plumbing and electrical plans
Second-story addition	Floor and roof framing, stairs, elevations and foundation review	Structural engineering is commonly required
Rear or side addition	Site plan, setbacks, lot coverage and full building plans	Zoning and drainage review
Bump-out addition	Localized foundation, wall, opening and roof changes	Structural connection details
Sunroom or enclosed porch	Site, floor, elevation, foundation and roof plans	Energy, glazing and structural review
Garage conversion	Existing and proposed plans, exterior changes and utilities	Energy, egress and slab evaluation
Attic conversion	Floor framing, stairs, egress, insulation and ventilation	Structural and energy review
Open-concept remodel	Demolition plan, proposed plan, beams and connections	Structural calculations may be required
Load-bearing wall removal	Existing framing, proposed beam, posts and foundations	Professional engineering review
Whole-house remodel	Coordinated architectural, structural and MEP plans	Phasing and energy requirements
Exterior wall or opening modification	Floor plan, elevation, header and connection details	Wind or structural review
Laundry-room addition or relocation	Floor plan, plumbing, ventilation and electrical	MEP coordination
Mudroom or entry addition	Site placement, floor plan, elevations and foundation	Zoning and energy review
After-the-fact addition or remodel	Existing-condition documentation and corrective drawings	Field verification and engineering may apply

Simple rule: A site plan alone is generally not a complete addition permit package. Additions commonly require architectural, structural, energy, and MEP documentation. Interior remodels may require a smaller package depending on whether structural walls or building systems are affected.

WHAT YOUR PLAN MAY INCLUDE

What Home Addition and Remodel Permit Plans Should Show

The exact deliverables depend on the project, existing building, and local permit requirements.

Cover Sheet and Project Information

Site Plan and Zoning Information

Existing-Condition Drawings

Demolition Plan

Proposed Floor Plan

Planning an Addition or Major Remodel?

Send us your property survey, existing plans, measurements, photographs, and design ideas. We will review the project and recommend the appropriate site, architectural, structural, MEP, and professional-review scope.

Project Snapshot

Complete property address
Current property survey
Existing house plans, if available
Addition dimensions or desired new area
Existing room measurements
Interior and exterior photographs
Photos of the attic, crawlspace or basement when relevant
Hand sketches or inspiration images
Desired room uses
Door and window preferences
Ceiling-height information
Foundation type
Roof style and approximate slope

HOW IT WORKS

How to Get Home Addition or Remodel Plans in 4 Steps

Our online process provides a clear path from your initial project information to a coordinated permit drawing package.

Share Your Existing Information Send the property address, survey, available house plans, field measurements, photographs, sketches, inspiration images, and desired scope of work.

We Review the Project Requirements Our team evaluates the existing conditions, proposed design, zoning limitations, structural changes, building-system impacts, and available permit requirements.

We Prepare the Permit Drawings We develop the existing, demolition, and proposed plans together with the site, elevation, foundation, framing, MEP, energy, and detail sheets included in the agreed scope.

Review, Finalize and Revise You review the draft and provide consolidated feedback. We finalize the deliverables and assist with applicable permit comments within the original project scope.

SHED PERMIT DRAFTING EXPERIENCE

Why Choose Site Plans Online USA?

Complete Project Coordination

We can coordinate site, architectural, structural, electrical, plumbing, mechanical, energy, and professional-review services under one defined project scope.

Existing and Proposed Conditions Clearly Shown

Our plans distinguish existing construction, demolition work, and proposed improvements so contractors and reviewers can understand the project without unnecessary confusion.

Practical Structural Integration

Home additions must connect correctly to the existing foundation, walls, floors, and roof. We document these relationships and identify areas requiring structural analysis.

Nationwide Permit Experience

We support projects in different climate zones and jurisdictions, including properties affected by wind, snow, seismic, floodplain, coastal, energy, and zoning requirements.

Revision Support

Reasonable revisions and permit comments within the original agreed scope can be addressed as the project progresses through review.

Commercial Tenant Improvements and Change-of-Use Projects

Commercial projects such as interior build-outs, tenant improvements, and occupancy changes require coordinated architectural drawings addressing existing conditions, proposed modifications, accessibility requirements, and permit documentation.

SERVING ALL 50 STATES

Home Addition and Remodel Plans Across the USA

Site Plans Online USA prepares residential permit drawings for homeowners, contractors, builders, investors, and property professionals nationwide. Project documents can be submitted online, reviewed digitally, and delivered without an in-person office appointment.

We support home additions and remodels in urban, suburban, rural, coastal, high-wind, heavy-snow, seismic, flood-zone, and historic environments. The final requirements depend on the project address, existing building, proposed work, and reviewing authority.

Transparent Home Addition and Remodel Plan Pricing

Pricing depends on the size of the home, proposed work, available existing drawings, structural complexity, required disciplines, and professional-review requirements.

Transparent Home Addition and Remodel Plan Pricing
Service	Starting Price	Typical Turnaround
Site plan only for a home addition	From $250	2–3 business days
Small interior remodel drawing package	From $600	4–7 business days
Kitchen or bathroom remodel plans	From $750	5–8 business days
Basic one-story addition permit package	From $1,200	7–12 business days
Garage, porch or sunroom conversion	Custom quote	Based on scope
Load-bearing wall removal package	Custom quote	Based on design
Second-story or complex addition	Custom quote	Based on scope
Whole-house remodeling plans	Custom quote	Based on scope
Structural calculations	Custom quote	Based on design
Electrical, plumbing and HVAC plans	Custom quote	Based on disciplines
Professional review, signature and seal	Custom quote	Based on state and discipline

Simple rule: Starting prices are for initial planning purposes only. The final fee is confirmed after reviewing the property, existing conditions, requested design, available documents, and permit requirements. Surveys, field measurements, destructive investigation, geotechnical reports, permit fees, inspections, energy testing, and professional seals are not included unless specifically listed in the written proposal.

LOCAL REQUIREMENTS — NATIONWIDE SERVICE

Home Addition and Remodel Plans for Major U.S. Markets

We prepare addition and remodeling permit plans throughout the United States, including jurisdictions with strict zoning, energy, wind, snow, seismic, floodplain, coastal, and existing-building requirements.

Florida

Texas

California

Georgia

North Carolina

South Carolina

New Jersey

New York

Virginia

Maryland

Pennsylvania

Tennessee

Kentucky

Colorado

Massachusetts

Indiana

Washington

We also support projects in other states and local jurisdictions. Send us the property address and proposed scope so we can review the applicable requirements.

ADDITION AND REMODELING QUESTIONS

Frequently Asked Questions About Home Addition and Remodel Plans

Do I need a permit for a home addition?

Yes, a home addition that increases or alters the building footprint, conditioned area, structure, or building systems will generally require a permit. Zoning approval may also be needed before the building permit can be issued.

Does an interior remodel require a permit?

It depends on the work. Painting, flooring, cabinets, and similar finish-only work may not require a building permit. Moving walls, changing room use, adding plumbing fixtures, modifying electrical systems, relocating HVAC, or altering structural components commonly requires permits.

What drawings are required for a home addition?

A typical addition package may include a cover sheet, site plan, existing plan, demolition plan, proposed floor plan, elevations, building sections, foundation plan, framing plans, construction details, structural calculations, MEP plans, and energy documentation.

Is a site plan enough for a home addition permit?

No. A site plan establishes where the addition sits on the property, but a complete building permit generally also requires architectural and structural drawings. MEP and energy documentation may also be required.

Do you prepare existing-condition plans?

Yes. We can prepare existing floor plans and elevations from accurate field measurements, photographs, available plans, and other property documentation supplied by the client.

Do you visit the property to take measurements?

Our standard service is completed remotely. The client, contractor, surveyor, or qualified field professional generally provides measurements and photographs. If location-specific field verification is required, it must be arranged separately.

Can you design a second-story addition?

Yes. Second-story additions require careful evaluation of the existing walls, foundations, floor framing, roof system, stairs, and lateral-load path. Structural engineering and professional review are commonly required.

Can you prepare plans for removing a load-bearing wall?

Yes. We can document the existing framing and prepare a proposed beam, post, connection, and foundation solution. Accurate field information and structural calculations are required.

Can you prepare plans for a garage conversion?

Yes. Garage conversions may require architectural, structural, energy, electrical, plumbing, HVAC, egress, fire-separation, floor-level, and parking-replacement coordination depending on the location and intended use.

Can you prepare plans for a sunroom or porch enclosure?

Yes. We can prepare site, floor, elevation, foundation, framing, glazing, electrical, HVAC, and energy-related drawings according to the agreed project scope.

START YOUR SHED PROJECT

Get Your Home Addition or Remodel Plan Quote

Send your property address, survey, existing plans, measurements, photographs, and project description. Our team will review the information and recommend the appropriate site, architectural, structural, MEP, energy, and professional-review scope.

Whether you are adding one room, opening an interior wall, converting a garage, or remodeling the entire home, we provide coordinated drawings that clearly document the existing building and proposed construction.