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What a home addition actually costs, by neighbourhood.

Across 74 Los Angeles areas and 6,070 home addition permits filed since 2023, the median declared construction value runs from $25,000 in Porter Ranch to $150,000 in Pacific Palisades. Every figure below is a median, so it is what a typical project actually costs, not an average pulled up by a handful of very large builds.

Also by area: What an ADU costs, What a pool costs, What a kitchen remodel costs, What it costs to build a house.

Every area, cheapest first

AreaZIPMedian declaredPermits
Porter Ranch91326$25,000115
Northridge West91324$37,50048
Reseda91335$40,000167
Pacoima91331$40,000137
Manchester Square90047$40,00052
West Hills (91304)91304$45,00085
Panorama City91402$45,00051
Vermont Knolls90044$45,00039
Parkside Industrial Center91340$46,00022
Winnetka91306$48,50070
Sun Valley (91352)91352$49,000111
Florence (90003)90003$49,50026
Granada Hills91344$50,000208
Sylmar91342$50,000117
Sun Valley (91605)91605$50,00098
North Hills West91343$50,00079
North Hollywood (91606)91606$50,00099
Lake Balboa91406$50,000126
West Hills (91307)91307$50,00079
Tujunga91042$50,00078
Adams-Normandie90018$50,00042
Chatsworth91311$50,00060
Mission Hills91345$50,00047
Van Nuys (91405)91405$52,50068
Vermont Square (90062)90062$53,00032
Sunland91040$53,50078
Sherwood Forest91325$55,00071
Green Meadows (90002)90002$55,00026
San Pedro (90732)90732$57,00031
Wilmington90744$57,10032
Hyde Park90043$58,00067
Eagle Rock90041$60,00080
San Pedro (90731)90731$60,00044
El Sereno90032$64,00052
West Adams90016$65,00086
Woodland Hills (91367)91367$69,000208
Highland Park90042$70,00098
Historic South-Central90011$70,00024
Crenshaw90008$70,00051
Mid-Wilshire90019$71,00063
Valley Glen91401$75,000138
North Hollywood (91601)91601$75,00065
Cypress Park90065$75,00079
Woodland Hills (91364)91364$75,00088
Sherman Oaks (91403)91403$75,00087
Lincoln Heights90031$75,00039
Silver Lake90026$80,00063
Atwater Village90039$80,000104
Sherman Oaks (91423)91423$80,000112
Tarzana91356$80,000115
Van Nuys (91411)91411$80,00061
Venice90291$85,00081
Beverly Grove90048$88,50030
Westchester90045$90,000215
Castle Heights90034$90,00065
Fairfax90036$90,00041
Sawtelle90025$96,00028
Valley Village91607$100,00086
Windsor Square (90004)90004$100,00069
Los Feliz90027$100,00066
Encino (91436)91436$100,000112
Greater Toluca Lake91602$100,00045
Hollywood Dell90068$100,00047
Westwood Village90024$100,00050
Encino (91316)91316$102,000143
Studio City91604$102,000108
Reynier Village90035$118,00073
Mar Vista90066$120,000209
Bel Air90077$120,00061
Del Rey90230$120,50042
Rancho Park90064$122,000147
Beverly Crest90210$125,00067
Pacific Palisades90272$150,000114
Brentwood Heights90049$150,000153

6,070 home additions across these 74 areas. How many called you?

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