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Item 6C - Staff ReportSOUTHLAKE PLANNING & DEVELOPMENT SERVICES MEMORANDUM April 8,2025 To: Alison Ortowski, City Manager From: Dennis Killough, AICP —Director of Planning & Development Services Subject: ZA25-0013, Ordinance No. 480-GGGGG amendments to the City of Southlake Zoning Ordinance No. 480, as amended, Section 47 - Transition Zoning District (TZD) Action Requested: City Council to conduct a public hearing and consider the 2nd reading of proposed Ordinance No. 480-GGGGG. Background Information: As Southlake develops, the City periodically reviews its regulations to ensure they align with the City's development priorities. The TZD is a district of regulations originally established in 2005 to encourage well - designed residential neighborhood developments while allowing flexibility for mixed -use projects that blend housing, retail, offices, and civic spaces. The purpose of this request is to review the ordinance and consider amendments to ensure it continues to serve its intended purpose and that it aligns with the community's long-term vision. Since its original creation on August 2, 2005, the TZD district has undergone four amendments. The discussion surrounding the most recent requests for TZD zoning changes has focused on density, density calculation methods, lot area and width, open space and adjacency standards. The amendments being proposed provide options to address these areas. The TZD areas are shown in green on the map below. Regardless of any changes that are adopted to the ordinance, current property owners within the TZD areas will remain under their existing zoning regulations that were adopted under their zoning approval and can continue to use and improve their property under those regulations. However, the amendments being proposed and ultimately adopted may affect a property owner's ability to make future changes to the TZD zoning district uses and regulations on their property. ZA25-0013, Ord. 480-GGGGG Page 1 EXISTING TZD ZONING DISTRICTS ® Transition Zoning District (TZD) Developments Il W LEGEND 5 SWhlahe Wy bm t Scale 1,54000 �,�n Pemel Baundarles 1 Inch = 4500 feet TZD oe%iopments wagon dMwmnnor m.rt s ZA25-0013, Ord. 480-GGGGG Page 2 Citizen Input/ Board Review: Three -hundred fifty six letters (356) were sent to owners within a TZD district and four -hundred twenty four (424) postcards were sent to owners within 300 feet of a TZD district boundary. One (1) letter in favor and two (2) letters of opposition have been received to date. This item was presented to the Planning and Zoning Commission, and a public hearing was held Thursday, March 6, 2025. This item was presented to the Southlake Program for the Involvement of Neighborhoods (SPIN) on Tuesday, March 11, 2025. This item was presented to the City Council for 1st reading on Tuesday, April 1, 2025 and will be considered for 2nd reading following a public hearing on Tuesday, April 15, 2025, meeting to begin at 5:30 PM. P & Z ACTION: March 6, 2025; Approved (5-0) recommending the following: - under 47.4.d.4, Transition District Component Requirements Option 2 - Density shall be calculated on the gross area defining the residential "neighborhood" boundary including "neighborhood" open space area. - under 47.6, Development Standards Option 2 - Add regulations specific to TZD where a TZD is directly adjacent to an existing single family residentially zoned property and neighborhoods, that address non- residential setbacks, buffering, and screening. - under Table 47-26, Option 2 — add a minimum lot area of 10,000 SF - under 47.7 Performance and Design Standards h. Open Space Standard - Option 1 Add: Detention areas shall be excluded from the open space area credit unless designed as an aesthetic passive recreation amenity to the neighborhood. CITY COUNCIL ACTION: April1, 2025; Approved (6-0),11t reading, noting that after the presentation and discussion this evening, we are approving the following related to: • 47.4.d.4, Transition District Component Requirements Option 2 Density shall be calculated on the gross area defining the residential "neighborhood" boundary, including the "neighborhood" open space area. • 47.6, Development Standards Option 2 Add regulations specific to TZD where a TZD is directly adjacent to an existing single-family residentially zoned property and neighborhoods that address non-residential setbacks, buffering, and screening, as presented by staff this evening, but including an amendment approving building lines of 50 ft., 70 ft. and 90 ft. on buildings one, two and three story ZA25-0013, Ord. 480-GGGGG Page 3 respectively. Also noting that the language related to evergreen vegetation, adding that vegetation must be eight feet in height within three years and be maintained in perpetuity. • 47.6 - Table 47-2, 4.0 Block and Lot Standards Option 2 Adding that the minimum residential neighborhood lot area will be 10,890 SF, 0.25 acre. • 47.7 Performance and Desiqn Standards - h. Open Space Standard Option 1 Add - Detention areas shall be excluded from the open space area credit unless designed as an aesthetic passive recreation amenity to the neighborhood subject to staff and ultimately City Council approval. Attachments: (A) Pages with Redline Changes (B) Ord. No. 480-GGGGG Section 47 — Transition Zoning District (TZD) Presentation Staff Contact: Dennis Killough (817) 748-8072 Jenny Crosby (817) 748-8195 ZA25-0013, Ord. 480-GGGGG Page 4 Attachment A ZA25-0013, Ord. 480-GGGGG TZD - Amendment Proposals red line/st Section 47.4.d Transition Zoning District Component Requirements 4. Uses in the neighborhood shall be to the density and scale that is appropriate based on the context and character of the proposed district. Residential density in the Transition Zoning District shall not exceed two (2) dwelling units per gross acre. add Density shall be calculated on the gross area defining the residential "neighborhood" boundary including "neighborhood" open space area. Section 47.6 Development Standards Add 47.6.d - Where the "TZD" district boundary is directly adjacent to any lot or tract of land with single family residential zoning of SF-20A, SF-2013, SF-30, SF1-A, SF-1 B, SF-2, RE-5 RE-7, R-PUD, any non-residential use components shall provide: 1. A minimum building setback from adjacent residential property of 50 feet for a one-story building, plus an additional 20 feet for each additional building story. 2. A minimum 10 foot wide F-1 bufferyard per Section 42 of the Zoning Ordinance No. 480, as amended, or solid evergreen vegetative screen reaching a height of 8 feet or greater within three years, shall be provided and maintained in perpetuity along the common boundary of the TZD district and the single family residential boundary. 3. Mechanical Equipment Screening: All non-residential buildings must be designed such that no mechanical equipment (HVAC, etc.) or satellite dishes shall be visible. This shall include equipment on the roof, on the ground or otherwise attached to the building or located on the site. Rooftop mechanical equipment and / or other rooftop appurtenance screening shall be accomplished by construction of architectural feature which is integral to the building's design and ensures that such equipment is not visible. All rooftop mechanicals or architectural features described herein shall be shown on the required building elevations at the time of site plan approval. 4. Trash Receptacles and Recycling Receptacles: No trash receptacles or recycling receptacles shall be located within fifty feet (50') of single family residential property. Trash and recycling receptacles shall be four sided with a gate and located outside bufferyards, and to the side or rear of the principal building. They shall be screened by a minimum eight -foot (8') solid masonry screen and shall utilize similar masonry materials to the building's facades. Section 47.6 Development Standards Table 47-2 4.0 Block and Lot Standards Add minimum lot area under "Neighborhood" column: 10,890 SF Lot Area, 0.25 Acre Section 47.7 Performance and Design Standards ZA25-0013, Ord. 480-GGGGG Attachment A Page 1 h. Open Space Standard 6. Add: Detention areas shall be excluded from the open space area credit unless designed as an esthetic passive recreation amenity to the neighborhood subject to staff and ultimately City Council approval. A detention area designed as an aesthetic recreational amenity should resemble a natural landscape feature, seamlessly integrating with the development through the use of curvilinear shapes, native and/or adapted vegetation, and natural materials. The following are general guidelines: • Gentle side slopes (4:1 or flatter) for safe and accessible grading are preferred over steeper slopes with walls or protective fencing. • Minimize concrete and impervious surfaces to the maximum extent practicable. • Include walking loops and connections to trails. • Provide seating areas and/or gathering spaces like picnic spots and fishing areas. Acceptable Open Space Credit Vol Excluded from Open Space Credit Section 47.10 Amendments to Approved Plans or Regulations Established in a Transition Zoning District Ordinance Add Section 47.10d. Transition Zoning Districts adopted prior to the effective date of Ordinance No. 480-GGGGG, shall remain subject to the uses and regulations of the specific ordinance for that Transition Zoning District, unless specifically changed under the provision of this ordinance. Section 47.5 Schedule of Uses Table 47-1 — Other Uses — Correct asterisk reference to "Accessory Building i` from Section 45.16 to 45.15. ZA25-0013, Ord. 480-GGGGG Attachment A Page 1 ORDINANCE NO. 480-GGGGG AN ORDINANCE AMENDING ORDINANCE NO. 480, AS AMENDED, THE COMPREHENSIVE ZONING ORDINANCE OF THE CITY OF SOUTHLAKE, TEXAS; SECTION 47 — TRANSITION ZONING DISTRICT (TZD); PROVIDING THAT THIS ORDINANCE SHALL BE CUMULATIVE OF ALL ORDINANCES; PROVIDING A SEVERABILITY CLAUSE; PROVIDING FOR A PENALTY FOR VIOLATIONS HEREOF; PROVIDING A SAVINGS CLAUSE; PROVIDING FOR PUBLICATION IN PAMPHLET FORM; PROVIDING FOR PUBLICATION IN THE OFFICIAL NEWSPAPER; AND PROVIDING AN EFFECTIVE DATE. WHEREAS, the City of Southlake, Texas is a home rule city acting under its charter adopted by the electorate pursuant to Article XI, Section 5 of the Texas Constitution and Chapter 9 of the Local Government Code; and WHEREAS, the city has adopted Ordinance No. 480, as amended, as the Comprehensive Zoning Ordinance for the city; and WHEREAS, the city council has determined that it is appropriate and in the best interest of the city to promote the public health, safety, and general welfare of its residents by amending Ordinance No. 480 as provided herein; and WHEREAS, the Planning and Zoning Commission and City Council have given published notice and held public hearings with respect to the amendment of the zoning ordinance as required by law. NOW, THEREFORE, BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF SOUTHLAKE, TEXAS: ZA25-0013, 480-GGGGG Attachment B SECTION 1 Ordinance 480, as amended, the City of Southlake's Comprehensive Zoning Ordinance Section 47.4.d Transition Zoning District Component Requirements, is hereby amended to by changing Section 47.4.d.4 as follows: 4. Uses in the neighborhood shall be to the density and scale that is appropriate based on the context and character of the proposed district. Residential density in the Transition Zoning District shall not exceed two (2) dwelling units per gross acre. Density shall be calculated on the gross area defining the residential "neighborhood" boundary including "neighborhood" open space area. SECTION 2 Ordinance 480, as amended, the City of Southlake's Comprehensive Zoning Ordinance Section 47.6 Development Standards, is hereby amended to by adding Section 47.6.d. as follows: 47.6.d. - Where the "TZD" district boundary is directly adjacent to any lot or tract of land with single family residential zoning of SF-20A, SF-2013, SF-30, SF1-A, SF-1 B, SF-2, RE-5 RE-7, R-PUD, any non-residential use components shall provide: 1. A minimum building setback from adjacent residential property shall be 50 feet for a one- story building, plus an additional 20 feet for each additional building story. 2. A minimum 10 foot wide F-1 bufferyard per Section 42 of the Zoning Ordinance No. 480, as amended, or solid evergreen vegetative screen reaching a height of 8 feet or greater within three years, shall be provided and maintained in perpetuity along the common boundary of the TZD district and the single family residential boundary. 3. Mechanical Equipment Screening: All non-residential buildings must be designed such that no mechanical equipment (HVAC, etc.) or satellite dishes shall be visible. This shall include equipment on the roof, on the ground or otherwise attached to the building or located on the site. Rooftop mechanical equipment and / or other rooftop appurtenance screening shall be accomplished by construction of architectural feature which is integral to the building's design and ensures that such equipment is not visible. All rooftop mechanicals or architectural features described herein shall be shown on the required building elevations at the time of site plan approval. 4. Trash Receptacles and Recycling Receptacles: No trash receptacles or recycling receptacles shall be located within fifty feet (50') of single family residential property. Trash and recycling receptacles shall be four sided with a gate and located outside bufferyards, and to the side or rear of the principal building. They shall be screened by a minimum eight -foot (8') solid masonry screen and shall utilize similar masonry materials to the building's facades. ZA25-0013, Ord. 480-GGGGG Attachment B SECTION 3 Ordinance 480, as amended, the City of Southlake's Comprehensive Zoning Ordinance Section 47.6 Development Standards, is hereby amended to by changing Table 47-1 4.0 Block and Lot Standards as follows: Table 47-2 4.0 Block and Lot Standards Add minimum lot area under "Neighborhood" column to read: 10,890 SF Lot Area, 0.25 Acre SECTION 4 Ordinance 480, as amended, the City of Southlake's Comprehensive Zoning Ordinance Section 47.7 Performance and Design Standards, is hereby amended to by adding to Section 47.7.h., Open Space Standards, subsection 47.7.h.6 as follows: Section 47.7h. 6. Detention areas shall be excluded from the open space area credit unless designed as an esthetic passive recreation amenity to the neighborhood subject to staff and ultimately City Council approval. A detention area designed as an aesthetic recreational amenity should resemble a natural landscape feature, seamlessly integrating with the development through the use of curvilinear shapes, native and/or adapted vegetation, and natural materials. The following are general guidelines: • Gentle side slopes (4:1 or flatter) for safe and accessible grading are preferred over steeper slopes with walls or protective fencing. • Minimize concrete and impervious surfaces to the maximum extent practicable. • Include walking loops and connections to trails. • Provide seating areas and/or gathering spaces like picnic spots and fishing areas. Acceptable Open Space Credit Excluded from Open Space Credit SECTION 5 Ordinance 480, as amended, the City of Southlake's Comprehensive Zoning Ordinance Section 47.10 Amendments to Approved Plans or Regulations Established in a Transition Zoning District Ordinance, is hereby amended to by adding subsection 47.10.d. to read as follows: ZA25-0013, Ord. 480-GGGGG Attachment B Section 47.10d. - Transition Zoning Districts adopted prior to effective date of Ordinance No. 480-GGGGG, shall remain subject to the uses and regulations of the specific ordinance for that Transition Zoning District, unless specifically changed under the provision of this ordinance. SECTION 6 Ordinance 480, as amended, the City of Southlake's Comprehensive Zoning Ordinance Section 47.5 Schedule of Uses, is hereby amended to correct Table 47-1 — Other Uses — asterisk reference to "Accessory Building * " changing the reference from Section 45.16 to 45.15. SECTION 7 This ordinance shall be cumulative of all provisions of ordinances of the City of Southlake, Texas, except where the provisions of this ordinance are in direct conflict with the provisions of such ordinances, in which event the conflicting provisions of such ordinances are hereby repealed. SECTION 8 It is hereby declared to be the intention of the City Council that the phrases, clauses, sentences, paragraphs and sections of this ordinance are severable, and if any phrase, clause, sentence, paragraph or section of this ordinance shall be declared unconstitutional by the valid judgment or decree of any court of competent jurisdiction, such unconstitutionality shall not affect any of the remaining phrases, clauses, sentences, paragraphs and sections of this ordinance, since the same would have been enacted by the City Council without the incorporation in this ordinance of any such unconstitutional phrase, clause, sentence, paragraph or section. SECTION 9 Any person, firm or corporation who violates, disobeys, omits, neglects or refuses to comply with or who resists the enforcement of any of the provisions of this ordinance shall ZA25-0013, Ord. 480-GGGGG Attachment B be fined not more than Two Thousand Dollars ($2,000.00) for each offense. Each day that a violation is permitted to exist shall constitute a separate offense. SECTION 10 All rights and remedies of the City of Southlake are expressly saved as to any and all violations of the provisions of Ordinance No. 480, as amended, or any other ordinances affecting zoning yard regulations which have accrued at the time of the effective date of this ordinance; and, as to such accrued violations and all pending litigation, both civil and criminal, whether pending in court or not, under such ordinances, same shall not be affected by this ordinance but may be prosecuted until final disposition by the courts. SECTION 11 The City Secretary of the City of Southlake is hereby authorized to publish this ordinance in book or pamphlet form for general distribution among the public, and the operative provisions of this ordinance as so published shall be admissible in evidence in all courts without further proof than the production thereof. SECTION 12 The City Secretary of the City of Southlake is hereby directed to post the proposed ordinance in its entirety on the City website together with a notice setting out the time and place for a public hearing thereon at least ten (10) days before the second reading of this ordinance, and if this ordinance provides for the imposition of any penalty, fine or forfeiture for any violation of any of its provisions, then the City Secretary shall additionally publish this ordinance in the official City newspaper one time within ten (10) days after passage of this ordinance, as required by Section 3.13 of the Charter of the City of Southlake. ZA25-0013, Ord. 480-GGGGG Attachment B SECTION 13 This ordinance shall be in full force and effect from and after its passage and publication as required by law, and it is so ordained. PASSED AND APPROVED on the 1st reading on the 1st day of April 2025. MAYOR F-AdaI*II CITY SECRETARY PASSED AND APPROVED on the 2nd reading on the 15t" day of April 2025. MAYOR ATTEST: CITY SECRETARY APPROVED AS TO FORM AND LEGALITY: CITY ATTORNEY DATE: ADOPTED: EFFECTIVE: ZA25-0013, Ord. 480-GGGGG Attachment B