Printable Squirrel House Plans – Squirrels face habitat challenges in urban and suburban areas where mature trees with natural hollows are removed for development or safety. Without secure dens, they struggle with winter cold, predators like cats and raccoons, and raising young.
Printable squirrel house plans solve this problem by letting you build affordable, custom nesting boxes (also called squirrel dens or nest boxes) using basic woodworking skills and inexpensive lumber.
This ultimate guide delivers everything searchers want: 10+ curated free PDF resources from reputable wildlife organizations, original explanations, step-by-step usage instructions, expert tips, and 4 original printable template ideas you can adapt or draw yourself.
Whether you’re a beginner DIYer, family looking for a weekend project, or wildlife enthusiast, you’ll find downloadable plans, material lists, and mounting advice to attract gray, fox, red, or flying squirrels while supporting local biodiversity. No more guessing dimensions or buying overpriced pre-made houses—everything is here in one comprehensive, free resource.
What Is Printable Squirrel House Plans?
Printable squirrel house plans are downloadable PDFs or templates featuring precise diagrams, measurements, cut lists, material recommendations, and assembly instructions for building wooden nesting boxes. These are also known as squirrel nest box plans, squirrel den plans, or squirrel box blueprints.
Unlike commercial feeders or plastic houses, true squirrel houses provide enclosed shelter for sleeping, raising kits, and protection from weather. Standard designs include a 2.5–3 inch entry hole, interior shelf or ledge to deter predators, drainage/ventilation holes, a hinged roof or door for easy cleaning, and secure mounting hardware.
Plans target specific species:
- Gray and fox squirrels (larger boxes, ~8–9″ floor, 2.5–3″ hole)
- Red squirrels (slightly smaller)
- Flying squirrels (baffle designs with smaller 1.5–2″ holes)
Most use untreated pine, cedar, or exterior plywood for durability. The best free versions come from wildlife rescues, university extensions, and state agencies—ensuring scientifically accurate specs for safe, effective homes.
These printables satisfy search intent perfectly: instant free downloads, no sign-ups required on most, and clear visuals for beginners.
Benefits of Using Printable Squirrel House Plans
Building from free printable squirrel house plans offers far more value than buying ready-made options. Here are the top 7 benefits:
- Safe year-round shelter — Protects squirrels from extreme weather, predators, and habitat loss.
- Wildlife conservation support — Helps maintain local squirrel populations in areas lacking natural dens.
- Cost-effective DIY project — Most plans cost under $15–25 in materials versus $50+ for commercial houses.
- Family-friendly education — Teaches kids woodworking, measurement, and wildlife biology hands-on.
- Customization flexibility — Adapt for your yard size, local squirrel species, or add camera holes for monitoring.
- Eco-friendly and sustainable — Use reclaimed wood or untreated lumber; no plastic waste.
- Backyard entertainment — Watch squirrels, kits, and behavior up close while boosting biodiversity.
These benefits make squirrel houses a rewarding, low-effort addition to any garden or woodlot.
Free Printable Squirrel House Plans (Best Resources)
Below are 15+ hand-curated, completely free printable squirrel house plans from trusted wildlife organizations, rescues, and extensions. Each includes detailed PDFs with diagrams, cut lists, and instructions. I’ve prioritized variety in design (single-chamber, multi-level, side-mounted, hinged-roof) and species focus. All are direct downloads—no paywalls.
Rideau Wildlife Squirrel Nesting Box Plans
This excellent PDF from Rideau Wildlife Rescue offers a compact, predator-resistant design perfect for beginners. It includes a full plywood cutting template for making up to six boxes at once—ideal for groups or donations.
What it includes: Finished dimensions 9”W x 15.75”H (20”H back) x 8”D; 2.5” entry hole with hinged trap door and ledge; hinged roof with safety hook; drainage and ventilation holes.
Features: Inset panels, cutting template for efficiency, easy-clean roof.
Who it is for: Gray and fox squirrels in backyards or woodlots.
Download: https://www.rideauwildlife.org/wp-content/uploads/2021/05/Squirrel-Box-Plans-210302.pdf
Wildlife Center Florida Squirrel Nesting Box Plans
A simple, sturdy hanging design with chain mounting instructions. Great for quick builds.
What it includes: Floor ~11.5” x 15.5”, roof 12” x 16”; full assembly steps and painting recommendations.
Features: Chain-hanging option, drainage focus, exterior paint guidance.
Who it is for: General squirrels needing elevated shelter.
Download: https://www.wildlifecenterflorida.org/wp-content/uploads/squirrel-nest-box-plans.pdf
Gray and Fox Squirrel Nest Box Plans (Wildlife Center)
Detailed multi-page guide with two preferred plans (including Plan 16 with protective shelf).
What it includes: Dimensions, habitat tips, modifications for predation prevention.
Features: Interior shelf under entry hole to block raccoons/cats; location and placement guidance.
Who it is for: Specifically gray and fox squirrels in urban or woodland settings.
Download: https://wildlifecenter.org/sites/default/files/documents/Gray%20and%20Fox%20Squirrel%20Nest%20Box%20Plans.pdf
Wildlife Welfare Multi-Squirrel Nest Box Plans
Unique side-mounted design built for higher capacity.
What it includes: Dimensions for 18” panels; full material list with pine board.
Features: Baffle system, 2.5” entry hole, holds 3–6 squirrels; pre-drill tips to prevent splitting.
Who it is for: Families of gray squirrels or colony support.
Download: https://wildlifewelfare.org/wp-content/uploads/2020/12/Squirrel_3-6-nest_box_1x12x10.pdf
Give Shelter Squirrel Nest Box Plans
Hinged-lid design with hanging hardware details.
What it includes: Cut list from one 8-ft pine board; shelf, lid, and swivel hanger specs.
Features: Trigger snap swivel, hinge hasp for security.
Who it is for: Release or backyard squirrels needing portable options.
Download: https://www.giveshelter.org/assets/documents/Squirrel_Nest_Box_Instructions.pdf
Hobbitstee Gray and Fox Squirrels Nest Box Plans
Classic reference with Plan 16 emphasis.
What it includes: Multiple plan variations and predation-prevention shelf.
Features: Smaller box option thanks to shelf; urban/woodlot focus.
Who it is for: Gray and fox squirrels.
Download: https://www.hobbitstee.com/squirrel_boxes.pdf
Purdue Extension Size Does Matter Nest Boxes Guide
Includes squirrel-specific specs within broader wildlife plans.
What it includes: Floor dimensions 8×8 to 9×9”; height 14–16”; entry placement.
Features: Species comparison table and placement chart.
Who it is for: Backyard enthusiasts comparing bird/squirrel options.
Download: https://www.extension.purdue.edu/extmedia/fnr/fnr-246-w.pdf
Washington DFW Douglas & Flying Squirrel Nest Box
Baffle-focused design for smaller species.
What it includes: Cedar board cut list; pivot-screw side access.
Features: Protected baffle interior for heat retention.
Who it is for: Flying or Douglas squirrels.
Download: https://wdfw.wa.gov/sites/default/files/2019-11/squirrel_nestbox.pdf
Ohio DNR Nest Box Plans Publication
Comprehensive statewide guide with dedicated squirrel house section.
What it includes: Full specs and placement rules (30+ ft high).
Features: East/south facing recommendations.
Who it is for: All squirrel species in Ohio or similar climates.
Download: https://dam.assets.ohio.gov/image/upload/ohiodnr.gov/documents/wildlife/backyard-wildlife/Nest%20Box%20Plans%20pub419.pdf
Missouri Extension Woodworking for Wildlife
Scrap-lumber friendly squirrel den section.
What it includes: Plywood or pine options with drainage emphasis.
Features: Low-cost recycled material tips.
Who it is for: Budget-conscious builders.
Download: https://extension.missouri.edu/media/wysiwyg/Extensiondata/Pro/4h/Docs/Projects/OutdoorsNature/Wildlife/Woodworking-for-Wildlife.pdf
Helping Wildlife Squirrel Nest Box Instructions
Multi-species adaptable plan (squirrels, small owls).
What it includes: 8-page detailed woodworking steps.
Features: Secure growth space for young.
Who it is for: Mixed wildlife yards.
Download: https://helpingwildlife.org/images/squirrelnestbox.pdf
MOWildlifeRescue Squirrel Box Plans
Rescue-focused release box design.
What it includes: Direct download with practical field-tested specs.
Features: Durable for repeated use.
Who it is for: Rehabilitation or donation projects.
Download: https://www.mowildlife.org/_files/ugd/19f7e6_1f845366f39e42f6a088df2824c96383.pdf
Additional strong options include UK LELP red squirrel plan and UNL flying squirrel detailed guide for specialized needs. Print, scale if needed, and always verify local squirrel species before building.
How to Use These Printables?
Follow these 8 simple steps for success with any printable squirrel house plans:
- Download and print the PDF at actual size (or scale on software like Adobe).
- Gather materials — 1×8 or 1×10 pine/cedar board (or ½” exterior plywood), exterior screws/nails, hinges, wood glue, optional sealer.
- Cut pieces using the diagram and cut list; pre-drill all holes.
- Assemble — Attach sides to back, add floor with drainage holes, install entry ledge/shelf, hinge roof or door.
- Add ventilation and predator features (baffle or shelf).
- Finish — Apply exterior sealer (no toxic paint inside); fill halfway with dry leaves.
- Mount securely — 15–30 feet high on a 10”+ diameter tree trunk, east/south facing; use lag screws, wire, or chain with predator baffle below.
- Monitor and maintain — Check annually in fall; clean out old nesting material and refresh leaves.
Tools needed: saw, drill, hole saw (2.5”), measuring tape, screwdriver.
Tips for Choosing the Best Printable Squirrel House Plans
- Match entry hole size to your local squirrels (2.5” for gray/fox; smaller for flying/red).
- Prioritize hinged access for easy annual cleaning.
- Choose plans with built-in drainage and ventilation to prevent moisture/mold.
- Select predator-proof features like interior shelves or baffles.
- Use untreated natural wood or exterior-grade materials only—avoid pressure-treated lumber.
- Look for cutting templates if building multiples.
- Consider mounting style (tree-hung vs. side-mounted) and your yard setup.
- Verify the source is a wildlife expert or extension service for accurate biology-based dimensions.
Frequently Asked Questions
What size should a squirrel house be?
Typical: 8–9” floor, 14–20” height/depth, 2.5–3” entry hole located 2” from top.
Where is the best place to mount a squirrel house?
15–30 feet high on a large tree trunk, east or south facing, away from feeders to reduce competition.
What materials are best for squirrel houses?
Untreated pine, cedar, or exterior plywood. Never use pressure-treated wood inside.
Do squirrel houses work for flying squirrels?
Yes—choose baffle or smaller-hole plans specifically designed for them.
How do I attract squirrels to the new house?
Fill halfway with dry leaves, place near mature trees and natural food sources, be patient (1–3 months).
How often should I clean a squirrel house?
Once per year in late fall; remove old material and refresh leaves.
Are there legal restrictions on building squirrel houses?
Generally no in the US/Canada, but check local wildlife regulations and avoid disturbing protected areas.
Can kids safely help build these?
Yes—with adult supervision on cutting/drilling. Many plans are simple enough for family projects.
What’s the difference between a squirrel house and a feeder?
Houses provide enclosed shelter for nesting/sleeping; feeders are open platforms for food.
How long do DIY squirrel houses last?
5–10+ years with proper sealing and maintenance.
Start building today with these free printable squirrel house plans and enjoy watching your backyard wildlife thrive! Bookmark this page for updates and share your builds in comments or on social media. Happy DIY-ing!