Compare 6 property management companies that serve Walnut from offices nearby. 1 have a confirmed California real estate license. Pick up to 3 and send one free quote request.
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Top rated
50+ Google reviews
Most reviewed
402 Google reviews, 4.7★
Longest established
15+ years in business
Picked by our rules (rating adjusted for review count, number of reviews, years in business), not paid placement.
Tick Compare on up to 3 companies to see them side by side and request quotes from all of them at once.
Serves Walnut · office in Pomona
285 E Holt Ave, Pomona, CA 91767
Sun Stone Property Management is a Pomona company serving owners since 2019, managing single-family homes, condos, townhomes, multifamily and commercial properties in Pomona, Claremont, La Verne, Upland, Ontario, Rancho Cucamonga and Chino.
In their words: “Sun Stone handles leasing, rent collection, maintenance, and compliance, backed by a 21-day leasing guarantee, so you can own the property without managing every day-to-day detail.”
Review summary: Owners and tenants often describe a responsive, professional manager who answers questions quickly.
Serves Walnut · office in Upland
417 N Central Ave b, Upland, CA 91786
Mesa Properties is an Upland company managing single-family homes and multi-family rentals across the Inland Empire and High Desert, including Alta Loma, Chino and Chino Hills.
In their words: “When homes are managed by Mesa, we take on the responsibility of collecting rent.”
Review summary: Tenants often mention quick, thorough inspections and kind, responsive staff.
Serves Walnut · office in Monterey Park
1111 Corporate Center Dr STE 204, Monterey Park, CA 91754
Partners Community Management is a privately owned Monterey Park company that has provided homeowner association management since 2011 for condo, townhome, master-planned and high-rise communities in Los Angeles and Orange counties.
In their words: “Partners Community Management specializes in full-service HOA management services for southern California's communities.”
Review summary: Homeowners consistently describe helpful staff who resolve problems quickly and follow up well.
Serves the Walnut area · no public office address, so no map pin
OnGuard Property Management manages rental homes in the San Gabriel Valley and Inland Empire, offering marketing, tenant screening, rent collection, maintenance, inspections, financial reporting, evictions and guidance on California tenant law.
In their words: “Our team schedules frequent inspection visits to make certain your home stays healthy.”
Serves Walnut · office in La Verne
1756 Arrow Hwy, La Verne, CA 91750
Cornerstone Property Management is a locally owned La Verne company, established in 1981, managing single-family homes, condos, duplexes, triplexes and apartments in Claremont, Glendora, Covina, Azusa, Diamond Bar, Chino and nearby cities.
In their words: “They offer fair prices, quality work, done in a timely manner.”
Serves Walnut · office in Industry
17890 Castleton St Ste 138, City of Industry, CA 91748
RT Property Management is a City of Industry company, in the business since 2006, managing condos, single-family homes and investment properties in Pasadena, Alhambra, San Marino, San Gabriel, Monterey Park and nearby cities.
In their words: “RT brokerage department can help you find a rental, buy a home, or sell a property.”
No company matches all of these filters.
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Pins show office addresses; numbers match the Best match order. Companies that don't publish an address are listed as "Serves the Walnut area" and get no pin.
Get the latest rental and real estate data on the Walnut market. We update these charts with the latest data on the 22nd of each month.
Rents in Walnut are $1,346 above the Los Angeles County typical.
Source: Zillow Observed Rent Index (ZORI), typical asking rent, all homes + multifamily, smoothed. Data through September 2026.
Source: Zillow Observed Rent Index (ZORI), typical asking rent, all homes + multifamily, smoothed. Data through September 2026.
Walnut's typical asking rent is $1,346 (48.0%) above the county.
Source: Zillow Observed Rent Index (ZORI), typical asking rent, all homes + multifamily, smoothed. Data through September 2026.
| City | Typical rent | 1 year | Managers |
|---|---|---|---|
| Walnut | $4,152 | 6 | |
| Diamond Bar | $3,294 | +3.2% | 8 |
| West Covina | $2,552 | +1.6% | 6 |
| Covina | $2,598 | +3.1% | 0 |
| San Dimas | $2,761 | +1.6% | 4 |
| Pomona | $2,319 | +1.6% | 1 |
| Hacienda Heights | $3,538 | +0.2% | 2 |
Source: Zillow Observed Rent Index (ZORI), typical asking rent, data through September 2026. Managers listed: our directory, October 2026.
Source: U.S. Census Bureau, American Community Survey 5-year estimates, 2020-2024.
Source: U.S. Department of Housing and Urban Development, Fair Market Rents for fiscal year 2027, Los Angeles-Long Beach-Glendale, CA HUD Metro FMR Area. Used to set Housing Choice Voucher (Section 8) limits.
Official sources: California Attorney General: limits on rent increases · California Courts: evictions · Civil Code 1947.12 (rent cap) · Civil Code 1946.2 (just cause)
Plain-language summary, not legal advice. Rules change; check the official sources or ask a lawyer before you act.
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Compare the 6 property management companies that serve Walnut, Los Angeles County. We matched a current California real estate license for 1 of them. Tick up to 3 to see them side by side, then request free quotes from all of them in one step.
Zillow's typical asking rent in Walnut is $4,152 (September 2026). About 16.2% of homes in Walnut are rented, and the rental vacancy rate is 2.9% (Census, 2020-2024).
We list 6 property management companies in Walnut, CA. None has an office in Walnut; all serve it from offices nearby. 1 of them have a License Confirmed badge: a clear match to an active California real estate license.
Zillow's typical asking rent in Walnut was $4,152 a month in September 2026.
Yes. In California, managing rentals for other people generally requires a real estate broker license from the Department of Real Estate (DRE), or working under a licensed broker. You can check any license number on the DRE website.
Fees depend on the company, the property and the services you need, and few companies publish them. Ask for a written quote that lists the monthly fee, leasing fee and any other charges. You can request quotes from up to 3 managers at once on this page.
The default order, Best match, uses each company's Google rating adjusted for how many reviews it has, so a 4.8 rating from 100 reviews ranks above a 5.0 from 2. License Confirmed companies get a small boost. No company can pay for its position.
Yes. Requesting quotes is free for property owners and there is no obligation to hire anyone.