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2021 Nissan Altima
Key Replacement - Save vs Dealer in San Diego

Real Keys | Real Savings

Available
2021 Nissan Altima Smart Key
Smart Key

Dealerships charge a premium because they can. We don't. Same key, same programming, same quality - just without the markup. Call for an honest quote with no hidden fees.

CA BSIS LICENSE LCO#6792
Budget Friendly Pro Equipment Fixed Quote
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2021 Nissan Altima all keys lost solutions from EZ Car Keyz Ramona CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
2021 Nissan Altima all keys lost solutions from EZ Car Keyz Ramona CA
Key specialists
Best Price Guaranteed
Specialized in keys only - no overhead markups
Fixed pricing
No Hidden Fees
Key + cutting + programming all included in one price
Fast mobile service
We Come to You
Mobile service at no extra charge, 15-25 min
619 Special
10% OFFCODE:EZ-619-2026

🔥 Why overpay? Use this code 🔥

Covers all key & remote services
REDEEM (619) 876-1271

2021 Nissan Altima
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Nissan key typeMost Popular
2021 Nissan Altima Smart Key KR5TXN4
FCC IDKR5TXN4Part #285E3-6SA7BButtons5BatteryCR2032Frequency434 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Push To Start
2021 Nissan Altima Smart Key KR5TXN1
FCC IDKR5TXN1Part #285E3-5NA3AButtons4BatteryCR2032Frequency433 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Emergency Key
2021 Nissan Altima Emergency Key
FCC IDPart #NI06ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
MECHANICAL-KEY
2021 Nissan Altima MECHANICAL-KEY
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
New 2021 Nissan Altima key fob when all keys lost from EZ Car Keyz Ramona CA
Skip the Dealer Markup
Professional key, honest rate
New 2021 Nissan Altima key fob when all keys lost from EZ Car Keyz Ramona CA
🔧 PRO TIP
Altima consistently ranks among the most stolen vehicles in multiple states according to NICB data, especially 2015-2021 model years. Having a spare key means your locksmith can add a key quickly if one is stolen, without a costly all-keys-lost job.
Related services: Ignition Repair · Smart Key

Nissan Altima OEM Quality Without the Markup

Same quality key, completely different price

EZ Car Keyz
EZ Car Keyz
Dealership
Average Cost
✓ $$
✕ $$$$
Location
✓ We come to you
✕ You drive there
Wait Time
✓ 20-45 min
✕ 2-5 days
Same-Day
✓ Yes
✕ Rarely
All Keys Lost
✓ No problem
✕ Tow required
OEM Quality
✓ Yes
✓ Yes
EZ Car Keyz wins 5 out of 6
Save hundreds without sacrificing quality
Book Service (619) 876-1271

2021 Nissan Altima Smart Key Replacement - Fast, Affordable & Professional

Here's what you're actually paying for when you get a 2021 Nissan Altima key replaced. Three things. The physical key blank with the correct blade profile and remote housing. The precision cut so the blade matches your car's lock. And the transponder programming so the immobilizer recognizes the new key and lets the engine start. The dealer charges $496 for those three things. I charge around $293.

A pair of retirees at a motel in Ramona on a road trip had their only Nissan key stop working. They were passing through, didn't know anyone local, and the dealer told them to tow the car in. Earliest appointment was the next afternoon, and the quote was $496 plus the tow. They found me online and called that evening.

I met them in the motel lot that same night. Their Smart Key uses Nissan's Intelligent Key proximity system. I connected through OBD and used my VVDI Key Tool to generate a new key matched to the car's immobilizer. Their fob, FCC ID KR5TXN4, has 5 buttons.

Component one, the blank: about $35 in my cost. Component two, the cut: done on my machine in the van. Component three, the programming: 20 minutes through OBD. Their total was $293. Dealer was charging $496 for those same three things plus a day of waiting and a tow.

Save vs the Dealer on Your Nissan Altima Key

Get your key for hundreds less than the dealer. Same quality, same result, better price.

Get Pricing (619) 876-1271 Text Us
BSIS Licensed Locksmith - California License LCO#6792
BSIS Licensed
CA Bureau of Security & Investigative Services
NASTF Certified Automotive Locksmith - Vehicle Security Professional
NASTF Certified
National Automotive Service Task Force
Fully Insured Locksmith - Hiscox Liability and Vehicle Damage Coverage
Fully Insured
Liability & vehicle damage coverage
Google Guaranteed Locksmith - Verified and Background Checked
Google Guaranteed
Verified & backed by Google
Also serving: Downtown Ramona · Fernbrook · Ramona Highlands · San Diego Country Estates

Nissan Altima Rapid Response, Done Right

Rapid response in the field

2021 Nissan Altima key made with no spare by EZ Car Keyz Ramona CA
Smart Key | Rapid On-Site Service
2021 Nissan Altima | San Diego
2021 Nissan Altima key made with no spare by EZ Car Keyz Ramona CA
2021 Nissan Altima Smart Key
2021 Nissan Altima
Smart Key | Programmed for Less
Estimated arrival time to Ramona
Quick & Affordable
Rapid Arrival
Available Today
Service location Ramona
Ramona
Best Rate Here
619 Area
Same-Day Keys (619) 876-1271

Savings That Speak for Themselves

Five-star reviews from budget-smart drivers

D
Diya M.
Jan 2025
★★★★★

“Fast, affordable, and a great price. Marco did an amazing job and made a key for our Nissan Kicks quickly and professionally. Everything worked perfectly.”

Google Review
E
Edelson E.
Oct 2025
★★★★★

“I got locked out of my vehicle and also lost my key. Marco came out, made a new key for my Toyota, and got me back on the road. He was professional, friendly, and clearly knows what he is doing.”

Google Review
M
Miston
Dec 2025
★★★★★

“My ignition would not turn in La Jolla and I thought I needed a tow. EZ Car Keyz repaired the ignition on the spot and also made a spare key for safety. The technician worked carefully and confidently.”

Google Review
Watch real savings, real jobs62KFollowers
Emergency 2021 Nissan Altima key replacement review - EZ Car Keyz Ramona CA
“Real savings, real reviews.”
Emergency 2021 Nissan Altima key replacement review - EZ Car Keyz Ramona CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Nissan Altima Mobile Service FAQ

Real costs, no dealer surprises

What is the cheapest way to replace my Nissan key?
Call a mobile locksmith before you call the dealer. Nissan owners who go straight to the dealer pay $300 to $575 or more for a single key replacement. With EZ Car Keyz, a Smart Key for the 2021 Nissan Altima is around $$293, and that includes everything. You do not need to tow your vehicle, you do not need an appointment days out, and you do not get hit with separate charges for the fob, blade cutting, programming, and CONSULT diagnostics like you would at the Nissan dealer.
How much more does all-keys-lost cost vs a spare?
Are aftermarket Nissan keys cheaper and do they work?
How many buttons does the 2021 Nissan Altima key have?
Are there hidden fees I should watch out for?
Questions? Call (619) 876-1271

Nissan Altima Key Service Areas

Great rates across the county

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
need a key? 🔑
San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Lost 2021 Nissan Altima key service coverage in San Diego County CA
Emergency dispatch throughout San Diego County

Free mobile service to all listed cities - no trip fees

Get Help Now (619) 876-1271
Filmed on Location
Nissan Altima car key replacement video
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Best Price on 2021 Nissan Altima Keys

Honest pricing from a licensed locksmith. No dealer markup, no trip fees, no nonsense.

All 2021 Nissan Altima keys lost? Call EZ Car Keyz Ramona CA
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