Redwood city

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General Information

  • Address: 1017 Middlefield Rd, Redwood City, CA 94064

  • Planning Office Line: 650-780-7234 

  • Building Office Line: 650-780-7350

  • Inspection Scheduling: 650-780-7361

  • Planning Hours: Monday - Friday 8:00 am - 5:00 pm 

  • Building Department Hours: Monday - Friday 8:00 am - 5:00 pm

Scheduling Inspections

  • Must be received by 3:30 pm to be scheduled on next available business day

  • Phone number: 650-375-7411

  • Inspection times: 9:00 am - 4:00 pm

  • NOTE: a time preference can be requested, but not guaranteed.

  • Time Window: Inspector will call the morning of inspection between 7:00 - 9:00 am to confirm.


Redwood City

INSPECTIONS: Are in -person observing shelter-in-place protocols

Call inspection line 650-780-7361

  • Leave Voice message: Include permit number, address, date requested, inspection type, contact name, contact phone

  • BACK LOG: inspection schedule backlogged, will call back to confirm inspection date.



  • Obtain application from online OR at the City Planning/Building department 

  • Complete all relevant fields 

  • CF1R form (for all furnace and AC installations)



  • Finance office closes at 4:00 pm

  • Credit cards are accepted




  • Is this an HOA residence?  

  • If YES: Get HOA approval letter from homeowner 


FURNACE REPLACEMENT: change out: same location, no drawings


  • Application;  CF1R

FURNACE NEW: new install or new location


  • Application

  • CF1R

  • Location drawing

  • Furnace specs per City requirements



  • Application

  • Existing (less than 40’)?

  • New (more than 40’)?

  • If more than 40 feet HERS test is required

  • Has asbestos? 



  • Application

  • CF1R

  • Drawing on graph or other paper 

  • Show AC location on property

  • Show distance from property line 

  • Decibel calculation form 

  • AC equipment specs from manufacturer 


HERS duct tests

Required in all instances EXCEPT


  • AC installation (HERS Not required for AC install)

  • less than 40 feet of ductwork

  • Asbestos is present**

  • Access to ductwork is not possible**

  • **When asbestos is present OR the ductwork is not accessible, HERS exemption form is required



  • Application

  • Drawing showing location (closet, garage, etc)

  • show pipe lines per City requirements