Flawless Cleaning for Post-Construction & Commercial Facilities
Licensed & Insured
Colorado General Liability & Workers' Comp
15+ Years in Business
Directed Personally by Rosa Nelly Castro
Rapid Turnover Shifts
24/7 Punch-List & Urgent Deployments
100% Satisfaction
Zero-Risk Free Walkthrough & Audit
Specialized Commercial Cleaning Services
Tailored specifically to Colorado general contractors, property managers, corporate facilities, and multi-family residential communities.
Post-Construction Cleaning
Specialized rough, final, and touch-up cleans removing drywall dust, overspray, adhesive, and construction debris for prompt certificate of occupancy.
Commercial Cleaning
Comprehensive janitorial and deep-clean programs customized for retail spaces, warehouses, medical offices, schools, and business facilities.
Office Cleaning
Tailored office maintenance creating pristine workstations, sanitized conference rooms, spotless kitchens, and pristine executive suites.
Why Colorado Chooses RNC Commercial Cleaning
Built on 15 years of owner-supervised rigor, uncompromising safety standards, and reliable results.
15+ Years Direct Leadership
Led personally by founder Rosa Nelly Castro. We don't subcontract your standards—every crew is directly trained and accountable.
Punch-List & CO Ready
We understand construction deadlines. From rough clean to final touch-up, we guarantee surfaces are spotless for client and city inspector sign-off.
Eco-Friendly Green Clean
Hospital-grade, non-toxic, and biodegradable cleaning products that protect indoor air quality without leaving harsh chemical odors or toxic residues.
Statewide Colorado Reach
Whether your commercial asset is in downtown Denver, Boulder, Aurora, or across the Front Range and Colorado mountains, our mobile crews travel to you.
How We Clean Your Space in 4 Simple Steps
From initial consultation to final walkthrough, we make post-construction and facility turnover seamless.
1. Connect & Scope
Call (303) 961-1806 or submit our form. We discuss your project timeline, facility size, and requirements.
2. Free Walkthrough & Quote
Rosa Nelly conducts an on-site walkthrough and provides a clear, itemized proposal with zero hidden fees.
3. We Do The Heavy Work
Our equipped crews arrive on time with industrial HEPA scrubbers, green solutions, and rigorous checklists.
4. Enjoy Pristine Results
We perform a final supervisor walkthrough with you to ensure 100% satisfaction and flawless handoff.
The Gold Standard in Commercial Turnover & Cleaning
Built on 15+ years of trusted excellence across Denver and Colorado. Explore the four cornerstones that make RNC Commercial Cleaning the trusted contractor partner.
100% Punch-List Passing Guarantee
If any detail is noted during your turnover walkthrough, our team resolves it within 24 hours at zero charge.
15+ Years Commercial Experience
Owner-supervised cleans with specialized knowledge of construction dust extraction and OSHA job site standards.
Rapid Deployment & Flexibility
Fast response mobilizations for urgent Friday-to-Monday punch-list deadlines and certificate of occupancy target dates.
Eco-Friendly Hospital-Grade Hygiene
HEPA air filtration and biodegradable non-hazardous formulas safe for modern work environments and indoor air quality.
Featured Commercial & Post-Construction Projects
Hover over our project cards to inspect the 3D perspective detail across Colorado.
Post-Construction CleanDowntown Denver, CO
Class-A Corporate Tower Final Turnover
Rough & final cleaning of 3 floors, drywall dust extraction, glass sticker scraping, and polished stone burnishing.
Kitchen TurnoverAurora / Denver Metro
120-Unit Residential Community Turnover
Complete unit turnover detailing, clubhouse sanitization, common breezeway cleaning, and elevator maintenance.
Appliance RestorationCentennial, CO
Tech Headquarters Nightly Maintenance
Scheduled evening janitorial, conference room detailing, kitchen degreasing, and HEPA carpet filtration.
15+
Years of Excellence
Established Colorado Presence
1,200+
Commercial Cleans Completed
Offices, High-rises & Sites
100%
Inspection Pass Guarantee
Punch-Lists & City Codes
Statewide
Colorado Coverage
Denver, Boulder & All Counties
Founder & Operating Director
Rosa Nelly Castro
15+ Years Direct Industry Experience
Dedicated Colorado Commercial Cleaning Rooted in Integrity
Founded by Rosa Nelly Castro, RNC Commercial Cleaning Services LLC was established on a simple standard: deliver post-construction and commercial cleaning that contractors, property owners, and tenants can trust without reservation.
With over 15 years on Colorado job sites, we understand the stakes of construction turnover deadlines and sanitary commercial spaces. We treat every building with meticulous pride, using trained teams, green eco-friendly chemistry, and prompt communication.
Serving Denver Metro & All Counties in Colorado
Headquartered in Denver, RNC deploys fully-equipped post-construction and commercial cleaning crews throughout the Front Range and Colorado statewide.
Active Service Regions
Our mobile cleaning teams are ready for rapid dispatch across:
What Colorado Contractors & Facility Managers Say
Backed by 15+ Years of five-star cleans. Read honest feedback from general contractors, building managers, and corporate offices across the state.
Marcus Vance Verified Client
Apex Peak Construction & Development • Denver, CO
"Rosa Nelly and the RNC crew saved our project turnover in downtown Denver! We had 48 hours before the final city inspection with tons of drywall residue and sticker glue on three floors of glass. They worked tirelessly, left every surface gleaming, and we passed inspection without a single punch-list note. Exceptional 15-year expertise!"
Frequently Asked Questions
Common questions about our commercial and post-construction cleaning services in Denver and Colorado.
RNC Commercial Cleaning Services LLC specializes in post-construction cleaning (rough, final, and touch-up cleans for certificate of occupancy), ongoing commercial janitorial programs, corporate office cleaning, and apartment building turnover cleaning across Denver and Colorado.
Never Fail a Cleanliness Inspection Again
If your project inspector or punch-list identifies any missed detail, our Colorado crew returns within 24 hours at zero additional cost to make it right.
Request Your Free Cleaning Estimate Today
Whether you need a full post-construction punch-list clean, regular corporate office janitorial services, or fast apartment building turnover, Rosa Nelly Castro and our crew are at your service.
Prefer direct phone contact?
(303) 961-1806Request Your Free Commercial Cleaning Estimate
Tell us about your facility or construction site. Rosa Nelly and our team respond within 24 hours.