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Interactive Cost Planner

Know Your Outdoor Project Range Before You Book.

Use Lawn Theory's interactive cost planner to estimate lawn care, landscaping, outdoor living, and exterior cleaning across Northern Virginia. Pick your service, adjust the details, and get a smarter starting range in 60 seconds.

Veteran-OwnedLicensed & Insured5.0 from 13 Google ReviewsQuotes in 24–48h

The Planner

We Don't Do Mystery Pricing

Tell us about your project and yourself, and we'll show you a smart, realistic starting range. Then get your guaranteed, written line-item quote within 24–48 hours after a free, no-pressure walkthrough.

1. Project Details 2. Your Information 3. Your Estimate
🌱

Make My Lawn Sharper

Fertilization, aeration, sod, cleanups & more

🏗️

Build or Upgrade My Outdoor Space

Patios, decks, kitchens, fire pits & hardscapes

💧

Clean & Restore My Exterior

House washing, roofs, driveways, decks & gutters

Fertilization
Aeration
Overseeding
Soil pH Correction
Mulch
Sod Installation
Drainage
Seasonal Cleanup
Paver Patio
Deck
Pergola
Outdoor Kitchen
Retaining Wall
Fire Pit
Walkway
Pool Deck
House Washing
Roof Cleaning
Driveway/Sidewalk Washing
Deck/Fence Restoration
Gutter Cleaning
Stain/Rust Removal

Why Estimates Vary

Why Our Estimates Vary

No two Northern Virginia yards are the same. Five factors move the number more than anything else — which is exactly why a free walkthrough protects you before any work begins.

Size

Square footage and lot size drive material quantities and labor hours more than any other input.

Material

Pavers, natural stone, and luxury composite carry very different material and installation costs.

Slope

Northern Virginia's rolling terrain means grading and drainage work can add real cost on sloped lots.

Access

Tight side yards and fenced-in backyards often require hand-carrying materials, which adds labor time.

Condition

Weedy turf, heavy clay, algae buildup, or oxidation all require extra prep work before the real job starts.

The Walkthrough Protects You

A free, no-pressure walkthrough confirms every variable in person — so your written quote has no surprises later.

Deep Dive

Service Cost Guides

Want more detail than the planner gives you? Explore each service in depth.

Lawn Care & Landscaping

Fertilization, aeration, overseeding, mulch, sod, drainage, and seasonal cleanups for Northern Virginia lawns.

View Lawn Care Guide

Build & Outdoor Living

Patios, decks, pergolas, outdoor kitchens, retaining walls, fire pits, walkways, and pool decks.

View Outdoor Living Guide

Exterior Cleaning

House washing, roof cleaning, driveway and sidewalk washing, deck and fence restoration, and gutter cleaning.

View Exterior Cleaning Guide

Bundle & Save

Build a Better Visit

Combining services in a single visit means less mobilization time for our crew — and real savings for you. Check what interests you and watch your Single Visit Efficiency Score climb.

Single Visit Efficiency Score

0%

Higher scores mean less mobilization time — often reflected in your written quote.

Get Ready

Before You Book: Quick Checklist

  • Measure or estimate your space — even a rough square footage helps us scope faster.
  • Check your HOA guidelines if you're building or upgrading — some communities require pre-approval.
  • Note access points — gates, side yards, or tight spaces affect labor time and equipment.
  • Have your budget range in mind — it helps us recommend the right tier, not just the priciest one.
  • Ask about bundling — combining services in one visit often saves money and time.
  • Schedule your free walkthrough — this is where your estimate becomes a guaranteed written quote.

Common Questions

Cost Calculator FAQs

How much does landscaping cost in Northern Virginia?

Most Fairfax, Loudoun, Prince William, Arlington, and Alexandria homeowners spend anywhere from a few hundred dollars for a seasonal cleanup to $18,000+ for a full outdoor living build-out. Lawn fertilization programs start at $449 per season, paver patios start at $9,500, and outdoor kitchens start at $18,000 — final price depends on materials and site conditions. Our planner above gives you a realistic starting range in under a minute.

How accurate are online lawn care and landscaping estimates?

Online estimates — including ours — are a smart starting point, not a final number. They're built from realistic Northern Virginia market ranges and the details you provide, but only a free, no-pressure walkthrough can confirm soil conditions, drainage, and access in person. That's why every estimate here leads to a guaranteed written, line-item quote within 24–48 hours.

Why does patio and paver pricing vary so much between quotes?

Material tier (concrete pavers vs. natural stone vs. luxury composite), square footage, base excavation depth, site slope, and access all move the number. A flat, easy-access 300 sq ft patio in pavers costs far less than a sloped, tight-access 800 sq ft natural stone patio — even though both are "just a patio."

How much does pressure washing or house washing cost in NoVA?

Most single-family homes in Northern Virginia start at $299 for a standard house wash, with roof cleaning, driveway washing, and gutter cleaning priced separately or bundled for savings. Two-story homes, heavy algae buildup, and oxidized siding push costs toward the higher end of the range.

How many applications does a lawn fertilization program need?

Most Northern Virginia tall fescue lawns do best on five to six applications a year: a spring pre-emergent feeding, a late-spring broadleaf weed pass, a light summer application, and two fall feedings timed around core aeration and overseeding. We match the schedule to your soil test rather than a generic calendar.

Do I need a permit or HOA approval for a new patio or deck?

Many Northern Virginia jurisdictions and HOA communities require permits or design approval for decks, patios over a certain size, retaining walls, and outdoor kitchens. We flag this in the planner so you can check with your HOA or county early — and we'll help you navigate it during your walkthrough.

What's included in Lawn Theory's free walkthrough and written quote?

A local Northern Virginia team member visits your property, confirms measurements, site conditions, and access, then sends a written, line-item quote — usually within 24–48 hours. There's no pressure to book, and no mystery pricing hidden in a phone estimate.

Ready When You Are

Get Your Guaranteed, Written Quote

You've seen your range. Now let's lock in the exact number with a free, no-pressure walkthrough.

Locally Owned & OperatedFully Insured & LicensedChesapeake Watershed Safe
5.0★★★★★Rated by Northern Virginia homeowners

“My backyard never looked better! Lawn Theory designed and planted everything. Super friendly team, highly recommended.”

Jamie W. · Vienna, VA

“We hired Lawn Theory for pressure washing and landscaping. It is like we have a brand new home. Five stars!”

Sarah M. · Arlington, VA

“They built our patio and outdoor kitchen, and now it is everyone’s favorite spot. Fantastic work.”

Mark D. · Fairfax, VA
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  • Free on-site walkthrough
  • Written, line-item pricing
  • No upsells, no pressure
  • Locally owned & insured
Lawn Theory

Lawn Theory brings precision and pride to high-end outdoor living across Northern Virginia — engineered patios and hardscapes, precision lawn care, and surface-safe exterior cleaning. Measured, planned, executed, inspected.

In-Season Services
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A written, line-item quote in 24–48 hours — no upsells.

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12567 Summit Manor Dr, Fairfax, VA 22033
(703) 650-5655
Mon–Sat · 8am–6pm
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