Entity Owned 
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Property summary
Waterside Center, located at 3110 & 3200 E Guasti Rd in Ontario, CA 91764, offers exceptional Class A office space for lease. This two-building complex, totaling 159,270 square feet, boasts a modern design, having been built in 2005 and renovated in 2007. The property caters to diverse business needs, offering both executive and creative office spaces, with flexible suite sizes ranging from a minimum of 284 square feet to a maximum contiguous space of 23,969 square feet. Currently, there are… 65,351 square feet of vacant space available for immediate occupancy. The property provides ample parking, with a ratio of 4 spaces per 1,000 square feet. Situated in San Bernardino County, Waterside Center provides easy access to major transportation routes, making it an ideal location for businesses of all sizes. The property's multiple tenancy structure allows for a variety of lease options to suit individual business requirements. This is a unique opportunity to secure high-quality office space in a thriving location. Contact us today to learn more about leasing opportunities and explore the possibilities of establishing your business at Waterside Center.
Ownership intelligence
Resolved identity, portfolio, hold profile and investor signals. Included in the full report.
Owner contacts
Skip-traced phones and e-mails of the owner. Included with the full report.
Mortgages
Recorded lenders, amounts and estimated maturities of the owner's loan book — in the full report.
Property tax
No data for this sectionNo tax or assessment record is on file for this parcel in the county feed.
Value estimate
· Sep 2026No data for this sectionNo value estimate could be modeled: the record carries too little market input for this parcel.
Recently sold
No data for this sectionNo cleaned sale $/SF benchmark exists for this use type in this ZIP, submarket or county yet.
Cap rate analysis
Price anchors at 6 / 6.5 / 7% — in the full report.
Zoning insight
No data for this sectionNo zoning code is on file for this parcel. Coverage grows with every catalog release.
Location intelligence
Demand index: how under-served this business type is around this point — modeled from the LocInt grid (area demand vs. what already operates, adjusted by real visit traffic). Higher means stronger unmet demand.
Location
Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.
Comparables
6 recent transactions · within 1.5 miComparable in this City
Similar Nearby for Sale
Similar Nearby for Lease
Instant AI valuation built from comps, income signals, and proprietary benchmarks.A defensible range, not a single guess.
from $99/month
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
from $99/month
Price sensitivity
The rate is the decision lever; valuation is the consequence.
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release — check back, or open Location Intelligence for use analysis of this corner.
Phones and e-mails of the people behind this property's owner, traced from licensed contact data.
Owner phones and e-mails come with the full report for this property - traced from licensed contact data, with verification and Do-Not-Call flags on every number.
Unlock the evidence behind ownership: portfolio, transactions, debt and signals that help you decide who to contact next.
Registration is required before any owner information is shown.
The mortgage data is behind the paid report: recorded loans of the owner - lender, amount, rate and the estimated maturity - as part of the Ownership Intelligence workspace.
Registration is required before any owner information is shown.
- Ownership
- Owner Contacts
- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
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- Full Property Data
- Historical Records
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- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
Cancel anytime.
- 300 reports a month
- Ownership
- Owner Contacts
- Location Analytics
- Everything in the Light report
- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
and get 1 Light Report
- Full Property Data
- Historical Records
- Value Estimation
- NOI Potential
- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
