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8599 Haven Ave
Rancho Cucamonga, CA 91730

$4,187 - $9,273 USD/MO

Unknown For Lease • 1,709+ SF

Property Details

Property Type Unknown
Year Built 1991

35 Transit Score

58 Walk Score

5 Spaces Available

Name	Space Use	Size	Rent
1st Floor Ste 101	Office	2,621 SF	$33.00 USD/SF/YR
Suite #101 is an approx. 2,621 square foot ground-floor medical suite thoughtfully configured for clinical use. The suite features a spacious waiting and reception area, six well-appointed exam rooms, two private offices, one restroom, and a dedicated breakroom. Its efficient layout and first-floor access make it ideal for a wide range of medical or healthcare practices. Date available: Now Lease term: Negotiable Service type: Full Service Gross Built out as: Standard Office Space Type: Relet
1st Floor Ste 108	Office	3,785 SF	$29.40 USD/SF/YR
Suite 108 delivers approximately 3,785 SF of highly functional ground-floor office space with excellent visibility and accessibility, including two main entrances, double-door rear access, and a professional reception area. The interior boasts a large open bullpen, six private offices, conference room, and a dedicated breakroom with sink, all enhanced by generous natural light. The layout supports a variety of business uses—from professional services to collaborative work environments—offering flexibility and a polished corporate presence. Available 7/01/2026. Date available: Jul 2026 Lease term: Negotiable Service type: Full Service Gross Built out as: Standard Office Space Type: Relet
2nd Floor Ste 202	Medical Office	2,011 SF	$29.40 USD/SF/YR
Experience a bright and professional workspace featuring a welcoming reception area, spacious conference room, three private offices, and a private balcony offering stunning city and mountain views. Perfect for professional or medical use, this beautifully designed corner suite blends functionality with an impressive presence. Available 11/01/2026. Date available: Nov 2026 Lease term: Negotiable Service type: Full Service Gross Built out as: Standard Office Space Type: Relet
3rd Floor Ste 303	Office	1,877 SF	$29.40 USD/SF/YR
8599 Havven Suite 303: Experience a bright and professional workspace featuring a welcoming reception area, spacious workstation, two private offices, kitchen, storage and a private balcony offering stunning city and mountain views. Perfect for professional or medical use, this beautifully designed corner suite blends functionality with an impressive presence. Available 2/01/2027. Date available: Feb 2027 Lease term: Negotiable Service type: Full Service Gross Built out as: Standard Office Space Type: Relet
3rd Floor Ste 307	Office	1,709 SF	$29.40 USD/SF/YR
Experience a bright and professional workspace featuring a welcoming reception area, spacious conference room, three private offices, IT room, and a private balcony offering stunning city views. Perfect for professional or medical use, this beautifully designed corner suite blends functionality with an impressive presence. Date available: Now Lease term: Negotiable Service type: Full Service Gross Built out as: Standard Office Space Type: Relet

Description

Strategically positioned in the vibrant heart of Rancho Cucamonga’s premier commercial corridor, MGR Towers deliver an exceptional office environment tailored for discerning professional and medical users. 
These two meticulously maintained Class A office buildings command a highly visible, signalized corner at Haven Avenue and Arrow Route, offering unparalleled accessibility to the I-10, I-15, and 210 Freeways.
Designed with modern sophistication in mind, the properties feature striking architecture, lush professional landscaping, and expansive windows that flood each suite with natural light. Ample surface parking ensures convenience for tenants and visitors alike, while onsite EV charging stations add a forward-thinking amenity for today’s eco-conscious professionals.
Surrounded by a rich mix of retail, dining, and lifestyle destinations, including the renowned Victoria Gardens and Ontario Mills, this location seamlessly blends convenience, prestige, and accessibility. With strong demographics, a synergy of nearby professional services, and proximity to major Inland Empire business centers, MGR Towers offer a rare opportunity for companies seeking visibility, credibility, and long-term growth in one of Southern California’s most dynamic markets.

                
                    Highlights
                
                                Located at the Signalized Corner of Haven Ave. & Arrow Route
                            
                                Close to the Civic Center, Ontario International Airport.
                            
                                Professionally managed and maintained.
                            
                                Full service leases include electrical and janitorial services.
                            
                                EV Charging Stations Onsite
                            
                                Artfully managed and maintained
                            
                                Well-traveled Prominent Location on Haven Ave
                            
                                Close Proximity to I-10, I-15 & 210 Freeways
                            
                                Ideal for Professional or Medical Office Use
                            
                                Minutes from Victoria Gardens, Ontario Mills, and major business hubs

Property Flyers

8577-8599_ Haven_Flyer_Updated

Public Transportation

Commuter Rail	Drive	Walk	Distance
Rancho Cucamonga (San Bernardino Line - Southern California Regional Rail Authority (Metrolink))	5 min	-	2.1 mi
East Ontario (Riverside Line - Southern California Regional Rail Authority (Metrolink))	9 min	-	4.6 mi
Airport	Drive	Walk	Distance
Ontario International	11 min	-	5.4 mi
John Wayne/Orange County	58 min	-	46.5 mi
Long Beach (Daugherty Field)	67 min	-	49.5 mi

Helen G. Zhang 909-581-6626 MGR Real Estate

8599 Haven Ave Rancho Cucamonga, CA 91730