Home Addition Drawings · Evans, CO
Permit-Ready Home Addition
Drawings for Evans, CO
Expand your home with a permitted room addition, second story, or family room extension. We deliver complete, code-compliant drawing sets for Evans's building department — in 10 business days, starting at $1,497.
14-day money-back guarantee · 10 business day turnaround
Local Intelligence
What Evans Homeowners Need to Know Before Submitting
Size & Zoning Rules
Any new square footage added to your Evans home counts against the same zoning envelope that governs ADU size, meaning large additions may affect your ability to add a future ADU. Evans's current ADU size cap is 750 sq ft — on the tighter end, which constrains larger conversion plans.
Evans does not impose an owner-occupancy requirement, so you can rent both the main home and any ADU or conversion as investment units.
If the addition creates a second unit or is later converted to a rental, Evans's ADU market supports approximately $1,665/month for a 2-bedroom unit.
Permit Process & Fees
Building Division permit fees for this project type typically range from $59,089 to $60,339 depending on project valuation and scope. Plan check runs approximately 6 weeks — though each correction cycle adds 3–6 weeks, which is why code-compliant drawings matter so much.
Addition permit packages submitted to Building Division must include a site plan, floor plans, all four elevations, an electrical plan, and energy compliance documentation — plus stamped structural drawings are always required for any load-bearing elements, second-story work, or new foundation.
Visit Building Division ↗Construction Cost Context
Evans's home addition construction costs run $210–$315 per square foot — a wide range driven by labor markets, local code complexity, and finish level. Our drawings are priced at a fraction of what a full-service architect would charge to produce the same permit set.
⚠ Common Pitfall in Evans
Evans requires a separate tap fee review from the South Platte Water Renewal Partners system before the Building Division will even log your ADU application, and that review often reveals older lots still on shared or undersized service lines from the 1970s annexation era. Fixing that means coordinating with both the city and Weld County road and bridge office if your service line crosses a county right-of-way, which can quietly add three to four weeks nobody mentions until you're mid-permit. Because STRs are allowed, it's also worth checking your specific parcel's zoning district first — some of the older platted subdivisions near Riverside Parkway carry deed restrictions from the original developer that predate the city's current STR-friendly stance.
Expert Verdict — Marcus Reid, Licensed Designer
"In my experience, that $300/sqft figure and the 6-week plan check timeline are Evans state-level estimates, not Evans-specific numbers, so I'd call the Building Division directly and get a couple of local contractor quotes before budgeting; I've also seen plenty of "6-week" projects stretch past 10 weeks once corrections come back on an incomplete drawing set. — Charlotte Pemberton, Senior ADU Design Consultant"
Market Context
Evans has a median home value of $310,000. Comparable renovation projects in this market typically add 23% to resale value.
Neighborhoods in Evans with the strongest home addition and resale value potential include Historic Evans, Riverside, Evans Town, Ashcroft Heights, Village. Older single-family lots close to Evans core and Greeley make it ideal for detached ADUs and rentals.
Permit Process
Permit applications are reviewed by the Building Division, with a plan check timeline of approximately 6 weeks. Permit fees in Evans range from $59,089 to $60,339 depending on project scope. Design review: No (ADUs are processed through administrative review by the Director; design-review deviations exist and historic-district standards may still apply).
Evans falls within Seismic Design Category Seismic Design Category B, which affects structural requirements for any new addition tying into the existing structure.
Local Financing Resources
Local Home Addition Lenders in Evans
These lenders offer HELOC, construction, and renovation loans for home addition projects in Weld County. Compare terms before committing.
Loans available up to $7M; interest-only draws during construction; land equity may count toward down payment; membership required.
Visit Lender ↗Construction and construction-to-permanent options; financing up to ~80% of project costs (up to 90% w/ mortgage insurance); local Evans branch/service area.
Visit Lender ↗Single-close and construction loan options (5/1, 7/1, 10/1 ARMs and fixed terms); local mortgage lenders serving Greeley/Evans area.
Visit Lender ↗Offers HELOCs (standard & variable-rate options) suitable for ADU renovations; membership/credit approval required.
Visit Lender ↗RenoFi is a renovation/ADU financing platform that partners with lenders to originate ADU/renovation loans; availability depends on partner lenders in Colorado.
Visit Lender ↗Build With A Plan is not affiliated with these lenders. Always compare rates and consult a mortgage professional.
Local Build Partners
Vetted Home Addition Contractors in Evans
We draw the plans. These contractors build the addition. Independent — no referral fees paid or received.
Build With A Plan provides drawings only. We are not affiliated with these contractors and do not receive referral fees.
Drawing Package Details
What's Included in Your Evans Home Addition Package
Transparent Pricing
Evans Home Addition Drawing Packages
One-time fee. No retainer. No hourly billing.
- ✓Site plan
- ✓Floor plans (existing + proposed)
- ✓All 4 elevations
- ✓Electrical plan
- ✓Title 24 energy compliance
- ✓PDF + DWG delivery
- ✓10 business day turnaround
- ✓Everything in Starter
- ✓Stamped structural drawings
- ✓Foundation plan
- ✓Roof framing plan
- ✓Window & door schedules
- ✓1 round of revisions
- ✓Everything in Standard
- ✓3D rendering
- ✓Cross-section details
- ✓Material specifications
- ✓HOA submission package
- ✓2 rounds of revisions
- ✓Priority 5-day turnaround
After You Order
Your Addition Drawings in 3 Steps
Submit Your Project Details
Share your property address, existing floor plan (if available), and the addition scope. We assign your project coordinator within 4 business hours.
We Draft Your Drawings
Our team designs your complete addition drawing set — engineered for Evans's building department requirements and CO CBC code. Delivered in 10 business days.
Submit to Your Building Dept
Download your complete package and submit to Building Division. We support plan check corrections at no extra charge.
Common Questions
Evans Home Addition FAQs
Do I need a permit for a home addition in Evans? +
Yes — any structural addition to your home in Evans requires a building permit. This applies to room additions, second-story additions, sunrooms, and attached garages. You'll need permit-ready drawings before the building department will accept your application. Our packages are formatted specifically for Evans's submittal requirements.
How much does a home addition cost in Evans? +
Home additions in Evans typically cost between $220.0–$350 per square foot depending on the scope, finishes, and structural complexity. A 600 sq ft addition ranges from $132,000 to $210,000. Second-story additions cost more than ground-floor extensions due to structural requirements. Our drawing packages start at $1,497 — a fraction of local architectural fees.
What drawings are required to permit a home addition in Evans? +
Evans's building department requires: a site plan showing the addition's footprint and setbacks, floor plans for all affected levels, all four exterior elevations, an electrical plan, and energy compliance (Title 24 in California). Structural plans stamped by a licensed engineer are required for any load-bearing elements — included in our Premium package.
How long does the permit process take for a home addition in Evans? +
Plan check in Evans typically takes 6 weeks for home additions. Additions with structural components may require additional review. Complete, code-compliant drawings significantly reduce correction cycles — each cycle adds 3–6 weeks. Our drawings are engineered to pass on the first submittal.
What setbacks apply to home additions in Evans? +
Evans enforces minimum setbacks from property lines for all additions: typically 4–5 ft side setbacks and 5 ft rear setbacks, though these vary by zoning district and lot size. Your addition must stay within the buildable envelope. Our site plan documents existing and proposed setbacks and flags any zoning variances required.
Do I need structural drawings for a home addition in Evans? +
Yes, for most additions. Any load-bearing walls, new foundations, second-story construction, or roof structure changes require stamped structural drawings from a licensed engineer. California's CBC (California Building Code) and seismic requirements make structural plans mandatory for most addition types. Our Standard and Premium packages include stamped structural drawings.
How much do home addition drawings cost in Evans? +
Our permit-ready home addition drawing packages for Evans start at $1,497. Local architects and designers typically charge $3,000–$10,000+ for comparable drawing sets. Every package is engineered for CO code compliance and formatted for Evans's building department. Turnaround is 10 business days with a 14-day money-back guarantee.
Will a home addition increase my home's value in Evans? +
In Evans, where median home values are approximately $310,000, a permitted home addition adds square footage that appraisers value as part of the home's gross living area. Return on investment varies by addition type — master suite additions, family room expansions, and additional bedrooms typically recoup 50–75% of project cost in appraised value in CO markets.
Can I add a second story to my home in Evans? +
Second-story additions are permitted in most Evans residential zones, subject to height limits and design review requirements. California generally requires ministerial permit approval, but some cities impose design compatibility or neighborhood compatibility review for second stories. Our drawings cover all levels including foundation upgrades, shear walls, and roof framing required for vertical additions.
Also Available in Evans
Adding an ADU instead? See our ADU design service.
Next Steps
Ready to Move Forward With Your Evans ADU?
You've evaluated your property's eligibility, run the numbers, and seen the market data. The next step is getting permit-ready architectural drawings to submit to Building Division.
Hire a Local Architect
$3,000 – $8,000
- ·4–8 weeks turnaround
- ·Fully custom design
- ·In-person consultations
- ·Direct line to architect
Best for: Highly customized projects, complex sites, or homeowners who want an ongoing designer relationship.
Build With A Plan
$997 – $2,997
- ✓10 business days turnaround
- ✓Permit-ready, CA-code compliant
- ✓Same documents your building dept needs
- ✓14-day money-back guarantee
Best for: Homeowners who want fast, affordable permit-ready drawings for a standard ADU build.
Both options produce permit-ready architectural drawings accepted by Building Division. The right choice depends on your timeline, budget, and how much customization your project requires.