California Residential Purchase Agreement
The California Residential Purchase Agreement is the contract that starts it all. Known as the RPA or RPA-CA, this is the CAR-standard form that spells out every term, condition, and contingency for a residential home purchase in California. When your buyer signs it and the seller accepts, you have a binding contract. Get it right and you're set up for a smooth escrow. Get it wrong and you're chasing corrections at the worst possible time.
Why This Document Matters
The RPA is not just paperwork. It is the legal foundation of the entire transaction. Every deadline, every contingency, every cost allocation flows from what's written in this form. The close of escrow date, the deposit amount, who pays for what, how long the buyer has to investigate the property, and what happens if financing falls apart — all of it lives in the RPA.
For California agents specifically, this matters more than you might think. California real estate transactions operate differently from most states, with layered disclosure requirements, strict contingency timelines, and escrow-based closings. A sloppy RPA creates downstream problems that ripple through every phase of the deal. If you've ever had a transaction blow up over a date discrepancy or a missing initial, you already know exactly what's at stake.
The California Association of Realtors updates this form periodically, and agents are expected to use the current version. Using an outdated RPA is a compliance issue waiting to happen.
How It Works
The buyer's agent prepares the RPA and the buyer signs it. That signed offer goes to the listing agent, who presents it to the seller. The seller can accept, reject, or counter. Once all parties have signed without changes, you have mutual acceptance, and the clock starts ticking on every timeline in the contract.
From that moment, the RPA drives the transaction. Escrow opens based on its terms. The earnest money deposit timeline is set by it. Contingency periods begin running. The lender references it. Escrow uses it. Every party in the transaction is working off what you put in that form, which is why accuracy at the offer stage matters so much.
Deadline management becomes a lot harder when the original dates are off or inconsistent. A TC tracking your contingency removals can only work with what the RPA actually says.
Key Sections Explained
Purchase Price and Financing Terms
This is where you spell out how much the buyer is offering and how they plan to pay for it. Cash, conventional, FHA, VA — each has different implications for the seller and different requirements later in the transaction. The financing terms here need to match what's in the pre-approval letter. Any mismatch can raise red flags with the listing agent or create problems when the loan package comes together.
Close of Escrow Date
Sounds simple. It is not. The COE date needs to be realistic for the financing type. FHA and VA loans typically need more time than a conventional purchase. You also have to factor in the calendar. Picking a close date that falls on a federal holiday or a weekend without accounting for it is a classic error that creates last-minute extension requests.
Contingency Periods
The RPA contains three primary contingencies: inspection, appraisal, and loan. Each has a default timeline you can modify. Buyers are protected during these periods. Once removed, they are generally not. Understanding how these work is not optional — it is core knowledge for every California agent. The contingency removal process is one of the most misunderstood parts of a California transaction, and it starts right here in the RPA.
Earnest Money Deposit
The deposit amount and the timeline for delivering it are both specified in the RPA. The deposit amount needs to be consistent with what the buyer can actually produce. If you write in a number that doesn't match proof of funds, you have a problem before the ink is dry.
Included Fixtures and Personal Property
What stays with the property and what goes? The RPA has checkboxes and fields for this. Missing something that the buyer assumed was included is a dispute waiting to happen.
Allocation of Costs
Who pays for the home warranty, natural hazard disclosure report, county transfer tax, and other closing costs? The RPA sets these defaults, though they can be negotiated. Agents often gloss over this section and then get surprised calls from escrow.
Common Mistakes to Avoid
- Incorrect contingency timeframes. Defaulting to the form's preset days without considering the buyer's actual situation. If your buyer needs more time for an inspection, negotiate that upfront.
- Missing signatures or initials. The RPA has multiple pages that require initials. One missing initial can hold up countersignature and delay the opening of escrow.
- Wrong close of escrow date calculation. Not accounting for weekends, holidays, or loan type processing times. Always count the calendar.
- Deposit amount not matching proof of funds. The number in the RPA needs to reflect what the buyer can actually deliver within the stated timeline.
- Forgetting to attach required addenda. The RPA often needs to be accompanied by additional forms — a statewide buyer and seller advisory, a financing addendum, or others depending on the property and transaction type. Submitting an offer without the required attachments looks unprofessional and can slow things down.
These are exactly the kinds of issues covered in the common transaction coordination mistakes agents make.
Pro Tips from a TC
Double-check every date before you send the offer. Not just the COE date, but the deposit delivery deadline, the contingency periods, and anything else with a timeline. Count from mutual acceptance, not from today's date, because you don't always know exactly when the seller will sign.
Cross-reference the financing terms against the pre-approval letter line by line. Loan amount, loan type, interest rate cap if applicable. Discrepancies here create problems with the listing agent and sometimes with the lender later.
Verify the property address and the APN before submitting. It sounds basic, but incorrect APN numbers appear more often than you'd expect, and fixing a contract with a factual error after acceptance adds unnecessary friction.
If you're writing offers in competitive markets, also check out how to write competitive offers for strategy beyond just the paperwork.
Related Documents
- Buyer Representation and Broker Compensation Agreement (BRBC) — should be signed before writing the RPA
- Real Estate Documents Library — all CAR and transaction forms
- Contingency Removal (CR) — the follow-on form once contingency periods begin closing out
- Counter Offer (CO) — used when the seller doesn't accept the RPA as written
- Seller's Advisory (SA) — typically delivered around the same time as the accepted offer
Frequently Asked Questions
Q: Does the RPA need to be on the current CAR form version?
Yes. The California Association of Realtors releases updated versions of the RPA periodically, and using the most current version is expected practice. Using an outdated form can create compliance issues with your broker and potentially affect the enforceability of certain provisions. If you're not sure which version is current, check with your broker or CAR directly.
Q: What happens if the seller accepts the RPA but one party later claims a date was wrong?
This is where things get messy. Once the RPA is fully executed, it is a binding contract. If a date is wrong, like a close of escrow date that's not achievable, both parties typically need to sign an amendment to correct it. That takes cooperation and time you often don't have. The cleaner move is to get the dates right before mutual acceptance. A good transaction compliance review catches these issues before they become a negotiation problem.
Learn About Other Documents
Closing Disclosure
A federally required disclosure form provided by the lender at least 3 business days before closing, detailing final loan terms, closing costs, and cash required to close.
Proof of Funds
Documentation verifying a buyer has sufficient liquid assets to complete the purchase, typically in the form of bank statements or a letter from a financial institution.
Commission Instructions
Written instructions to escrow specifying exactly how commission is to be calculated, split between brokerages, and disbursed at close of escrow.



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