A bright dining room connected to a living area with large windows, a wooden table with gray chairs, sunflowers in a glass vase, and houseplants, with a colorful bunting above, showing well managed property

SUM Property Management

You’re not just a client; we’re your partners in your real estate investment journey

Trusted by landlords in
San Joaquin & Stanislaus County

4.8 ⭐ Yelp Review
5 Years in a row

Servicing: Tracy, Modesto, Stockton, Manteca, Lathrop, Lodi, Turlock, Merced, and neighboring cities

leveraging 50years of combined experience and AI-powered technology


Who are we?

We are a team of landlords, real estate agents and managers in Stockton, Modesto , Lathrop who were hugely dissatisfied with the property management services offered locally and decided to start our own company, this was 10 years ago. We now have a highly professional team who manage our clients properties along side ours. Because you are not just our client, you are our partner.

“Your properties treated like ours, in principle and in practice.”

Summary of Services

Management fee: 7%
Tenant Placement:
50% of a month rent

Red guarantee badge with multiple circles and the word "GUARANTEE" repeated in a banner across the center. SUM Property Management, best property manager in Stockton, Manteca, Tracy, Lathrop, Modesto, Turlock
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No onboarding fees

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Typically 2-3weeks from start to move in.

We work with a trusted network of contractors, including in‑house teams, and keep our maintenance pricing highly competitive in the market.

Red seal badge with the word 'Guarantee' repeated around the circle and across the center. SUM Property Management, best property manager in Stockton, Manteca, Tracy, Lathrop, Modesto, Turlock

Our Blog

stay up to date with the latest in property management in Stockton, Modesto, Manteca and the rest of the Central Valley

Frequently Asked Questions

  • Tenant management, tenant screening and placement, maintenance, eviction.

  • We’ve a very simple 7-50-0 pricing structure.

    7% management fee

    50% of a month rent in one-time tenant placement fee

    0 hidden fees

  • There is no hidden fees at all. All fees are outlined in the contract clearly. Please contact us to get a copy of the contract.