Chapter 27.40 — BUILDING HEIGHT AND BULK
San Mateo Zoning Code · 2026-06 edition · updated 2026-07-25 · San Mateo
27.40.010 SCOPE. ¶
This chapter applies only to the study area encompassed by the Downtown Specific Plan of the General Plan of the City as adopted by the City Council and as may be amended by the Council from time to time. No special permit is required for buildings or structures which meet the height and bulk standards of this chapter.
27.40.020 HEIGHT. ¶
Structures and building heights as defined in Section 27.04.080 shall be permitted to be developed provided they do not exceed the maximum height delineated for the respective project sites as shown on the Building Height and Bulk Plan in the Downtown Specific Plan. High-rise buildings over fifty-five (55) feet in height may be permitted if a site plan and architectural review is first approved by the Planning Commission as provided in Chapter 27.06.
27.40.030 BULK. ¶
(1) Structures and buildings shall be developed in accordance with the following standards:
| Building/Structure Height (Feet) |
Bulk Dimensions |
|---|---|
| 0 thru 55 | No limitation |
| 56 thru 75 | Above fifty-five (55) feet maximum building dimension of 150 lineal feet and maximum diagonal dimension of 170 lineal feet. |
- (2) Bulk is measured as illustrated in the following diagrams:
(3) Variations to the maximum building bulk for buildings greater than fifty-five (55) feet in height may be permitted by a special use permit approved by the Planning Commission subject to the following criteria:
(A) A better and more appropriate design for the site is achieved than without the variation;
(B) The parcel coverage will not exceed 40%;
(C) The parcel size is at least one and one half (1.5) acres;
(D) The design preserves view corridors and sunlight access as well as a design that conforms to all requirements of the Downtown Specific Plan;
(E) The design conforms to the goals, policies and the streetwall area standards of the Downtown Specific Plan;
(F) The project site is designated for residential use in the Downtown Specific Plan, and the floor area above fifty-five (55) feet is utilized exclusively for residential use.
Chapter 27.42 STREET WALL AREA DISTRICT
27.42.010 STREET WALL AREA.
Structures and buildings on parcels identified as Street Wall Area on the Building Height and Bulk Plan in the Downtown Specific Plan shall be developed in accordance with the following diagram:
(1) The maximum building height at the parcel boundary is equal to the horizontal distance between midpoint of the public right-of-way and the parcel boundary (A) or thirty-six (36) ft., whichever is greater.
(2) The maximum depth of the street wall area is equal to two times the distance of (A).
(3) The building height at any point within the street wall area shall not exceed the slope defined by a forty-five degree (45�) angle measured from the midpoint of the public right-of-way, except as allowed by section (1) above at the parcel boundary.
(4) The maximum building height beyond the street wall area shall be controlled by the Building Height and Bulk Plan in the Downtown Specific Plan.
(5) The area above the street wall area as defined in Section (3), shall be open to the sky. Elevators, stairwells and other mechanical or other appurtenances are not permitted to protrude above the street wall area. Allowable intrusions above the street wall area are limited to minor architectural detailing not exceeding four (4) feet in height and parapets including railings and arbors and landscaped planting areas, subject to approval of a site plan and architectural review.
(6) Outdoor uses shall be allowed in area (B).
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Ask AI about this code▸ Contents — San Mateo Zoning Code
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▸ Title 27 — ZONING
Overview- Chapter 27.02 — GENERAL PROVISIONS
- Chapter 27.04 — DEFINITIONS
- Chapter 27.06 — ADMINISTRATION
- Chapter 27.08 — RULES OF PROCEDURE
- Chapter 27.10 — REVIEW PROCEDURE
- Chapter 27.12 — FEES
- Chapter 27.13 — TRANSPORTATION IMPROVEMENT FEE
- Chapter 27.14 — REDEVELOPMENT
- Chapter 27.15 — DENSITY BONUS
- Chapter 27.16 — RESIDENCE DISTRICTS
- Chapter 27.18 — R1 DISTRICTS
- Chapter 27.19 — ACCESSORY DWELLING UNITS AND JUNIOR ACCESSORY …
- Chapter 27.21 — TWO-UNIT
- Chapter 27.24 — R4 DISTRICT—MULTIPLE FAMILY DWELLINGS (HIGH DE…
- Chapter 27.26 — R5 DISTRICT—MULTIPLE FAMILY DWELLINGS (HIGH DE…
- Chapter 27.27 — RESIDENTIAL
- Chapter 27.28 — DOWNTOWN
- Chapter 27.29 — RESIDENTIAL OVERLAY DISTRICT—MIXED USE
- Chapter 27.30 — C1 DISTRICTS— NEIGHBORHOOD COMMERCIAL
- Chapter 27.32 — C2 DISTRICTS—
- Chapter 27.34 — C3 DISTRICTS—
- Chapter 27.36 — C4 DISTRICTS
- Chapter 27.38 — CBD DISTRICTS— CENTRAL BUSINESS DISTRICT
- Chapter 27.39 — CBD SUPPORT DISTRICT— CENTRAL BUSINESS DISTRIC…
- Chapter 27.40 — BUILDING HEIGHT AND BULK
- Chapter 27.44 — E1 DISTRICTS—EXECUTIVE PARK
- Chapter 27.48 — E2 DISTRICTS —EXECUTIVE OFFICES
- Chapter 27.54 — MANUFACTURING DISTRICTS
- Chapter 27.56 — M1 DISTRICTS
- Chapter 27.59 — S DISTRICTS
- Chapter 27.60 — SPECIAL DISTRICTS
- Chapter 27.61 — SC DISTRICTS—SENIOR CITIZEN OVERLAY DISTRICT—S…
- Chapter 27.62 — PLANNED DEVELOPMENTS —SPECIAL USE PERMITS
- Chapter 27.63 — ADULT ENTERTAINMENT BUSINESSES
- Chapter 27.64 — OFF-STREET PARKING AND LOADING
- Chapter 27.65 — AMUSEMENT ARCADES AND MACHINES
- Chapter 27.66 — HISTORIC PRESERVATION
- Chapter 27.67 — OPEN AIR VENDORS
- Chapter 27.68 — MAINTENANCE OF PROJECT SITE
- Chapter 27.69 — RECYCLING FACILITIES
- Chapter 27.70 — ACCESSORY BUILDINGS AND STRUCTURES IN REQUIRED…
- Chapter 27.72 — NONCONFORMING BUILDINGS AND USES
- Chapter 27.73 — TC DISTRICT—
- Chapter 27.74 — SPECIAL USE PERMITS
- Chapter 27.75 — MIXED USE CONVENIENCE MARKET/AUTOMOBILE SERVIC…
- Chapter 27.76 — PERFORMANCE STANDARDS
- Chapter 27.77 — DESIGN REVIEW STANDARDS FOR SERVICE STATIONS
- Chapter 27.78 — VARIANCES
- Chapter 27.79 — REASONABLE
- Chapter 27.80 — AMENDMENTS
- Chapter 27.82 — MAPS—BOUNDARY LINES
- Chapter 27.83 — SLOPE AND HILLSIDE DEVELOPMENT STANDARDS
- Chapter 27.84 — FENCES, TREES AND HEDGES
- Chapter 27.85 — DAY CARE CENTERS
- Chapter 27.86 — RECYCLING COLLECTION AREAS
- Chapter 27.87 — OUTDOOR RESTAURANT SEATING AND MERCHANDISE DIS…
- Chapter 27.88 — BAY MEADOWS SPECIFIC PLAN
- Chapter 27.90 — TOD DISTRICT— TRANSIT ORIENTED DEVELOPMENT
- Chapter 27.92 — HILLSDALE STATION AREA PLAN
- Chapter 27.94 — HOUSING