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Business Details
9 Years
experience
Professional Landscaping Services in Manassas, VA
At Brennan's Landscaping, we treat your yard as if it were part of our own family, ensuring meticulous care and attention to detail. Our commitment to continuous team education ensures that we stay at the forefront of landscaping innovation, delivering tailored solutions that meet your specific needs. We pride ourselves on exceptional customer service, combining expertise with a passion for transforming outdoor spaces.

With a focus on sustainable practices and client satisfaction, we aim to build long-term relationships by consistently exceeding expectations. Our proven track record of success, supported by numerous five-star reviews, underscores our dedication to quality and reliability.
Services
Hardscape Design Landscape Design Grading & Drainage Turf Management Sod Installation Spring Cleanup Fall Cleanup Lawn Mowing Weed Control Mulching Services
Details
  • Year established: 2017
Highlights and features
  • Highly Rated by Local Customers
  • NDS Certified Drainage Experts
  • Licensed & Insured for Your Protection
  • Military Discounts Available
  • Community-Focused with Local Partnerships
Associations and certifications
  • ISO 9001:2005
What people say
Highly recommend Hard workers Professional team Transformed backyard Excellent workmanship
Services
Hardscape Design
Our hardscape design services create durable, aesthetically pleasing outdoor living spaces using materials like stone, concrete, and wood. We focus on functional layouts that enhance property value while ensuring proper drainage and long-term durability. Clients benefit from customized patios, walkways, and retaining walls tailored to their lifestyle needs.
Landscape Design
We specialize in comprehensive landscape design that balances aesthetics with practical functionality. Our process includes soil analysis, plant selection, and irrigation planning to create sustainable, low-maintenance gardens. Clients receive detailed 3D visualizations before implementation to ensure alignment with their vision.
Grading & Drainage
Our NDS-certified drainage solutions prevent water damage through strategic land grading and French drain installation. We address erosion issues while improving soil health for better plant growth. Clients gain peace of mind knowing their property is protected from water-related foundation damage.
Lawn Mowing
Professional lawn mowing services maintain optimal grass height using commercial-grade equipment. We follow seasonal mowing patterns to promote root health and drought resistance. Clients enjoy consistently manicured lawns without the time commitment or equipment maintenance costs.
Spring Cleanup
Our spring cleanup services remove winter debris, aerate soil, and prepare beds for planting. We prune shrubs, inspect irrigation systems, and apply mulch to promote healthy growth. Clients receive a detailed property assessment with seasonal maintenance recommendations.
People
Thomas Brennan
Owner & Lead Designer
With over 15 years of landscaping experience, Thomas Brennan combines technical expertise with creative vision. He personally oversees all major projects, ensuring quality control and client satisfaction. His passion for sustainable design drives the company's eco-friendly practices.
Questions
Do you service properties outside Northern Virginia?
We primarily serve Northern Virginia, including Manassas, Gainesville, and Prince William County. Contact us to confirm availability in your specific location.
Are military discounts available?
Yes, we offer a 10% discount on most landscaping projects for active-duty military personnel and veterans as a token of appreciation.
How quickly can you complete scheduled work?
Most services are completed within 1-2 weeks of scheduling. Emergency drainage repairs receive priority status for faster turnaround.
What payment methods do you accept?
We accept checks, cash, credit card payments, and bank transfers for your convenience. Payment plans available upon request.
Can I cancel my service contract?
Yes, we require 30 days' notice for contract cancellations. No early termination fees apply after this period.